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Li Y, Qu J, Jiang L, Peng X, Wu K, Chen M, Peng Y, Cao X. Application and challenges of nitrogen heterocycles in PROTAC linker. Eur J Med Chem 2024; 273:116520. [PMID: 38788299 DOI: 10.1016/j.ejmech.2024.116520] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2024] [Revised: 05/07/2024] [Accepted: 05/19/2024] [Indexed: 05/26/2024]
Abstract
The absence of effective active pockets makes traditional molecularly targeted drug strategies ineffective against 80 % of human disease-related proteins. The PROTAC technology effectively makes up for the deficiency of traditional molecular targeted drugs, which produces drug activity by degrading rather than inhibiting the target protein. The degradation of PROTAC is not only affected by POI ligand and E3 ligand, but by the selection of suitable linker which can play an important role in the efficiency and selectivity of the degradation. In the early exploring stage of the PROTAC, flexible chains were priorly applied as the linker of PROTAC. Although PROTAC with flexible chains as linkers sometimes perform well in vitro bioactivity evaluations, the introduction of lipophilic flexible chains reduces the hydrophilicity of these molecules, resulting in generally poor pharmacokinetic characteristics and pharmacological activities in vivo. In addition, recent reports have also shown that some PROTAC with flexible chains have some risks to causing hemolysis in vivo. Therefore, PROTAC with flexible chains show less druggability and large difficulty to entering the clinical trial stage. On the other hand, the application of nitrogen heterocycles in the design of PROTAC linkers has been widely reported in recent years. More and more reports have shown that the introduction of nitrogen heterocycles in the linker not only can effectively improves the metabolism of PROTAC in vivo, but also can enhance the degradation efficiency and selectivity of PROTAC. These PROTAC with nitrogen heterocycle linkers have attracted much attention of pharmaceutical chemists. The introduction of nitrogen heterocycles in the linker deserves priority consideration in the primary design of the PROTAC based on various druggabilities including pharmacokinetic characteristics and pharmacological activity. In this work, we summarized the optimization process and progress of nitrogen heterocyclic rings as the PROTAC linker in recent years. However, there were still limited understanding of how to discover, design and optimize PROTAC. For example, the selection of the types of nitrogen heterocycles and the optimization sites of this linker are challenges for researchers, choosing between four to six-membered nitrogen heterocycles, selecting from saturated to unsaturated ones, and even optimizing the length and extension angle of the linker. There is a truly need for theoretical explanation and elucidation of the PROTAC to guide the developing of more effective and valuable PROTAC.
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Affiliation(s)
- Yang Li
- Institute of Pharmacy and Pharmacology, Hunan Province, Cooperative Innovation Center for Molecular Target New Drug Study, College of Pharmacy, Hengyang Medical School, University of South China, Hengyang, 421001, China
| | - Junfeng Qu
- Institute of Pharmacy and Pharmacology, Hunan Province, Cooperative Innovation Center for Molecular Target New Drug Study, College of Pharmacy, Hengyang Medical School, University of South China, Hengyang, 421001, China
| | - Lizhi Jiang
- Institute of Pharmacy and Pharmacology, Hunan Province, Cooperative Innovation Center for Molecular Target New Drug Study, College of Pharmacy, Hengyang Medical School, University of South China, Hengyang, 421001, China
| | - Xiaoyu Peng
- Institute of Pharmacy and Pharmacology, Hunan Province, Cooperative Innovation Center for Molecular Target New Drug Study, College of Pharmacy, Hengyang Medical School, University of South China, Hengyang, 421001, China
| | - Kaiyue Wu
- Department of Pharmacy, Ezhou Central Hospital, Ezhou, Hubei, China
| | - Miaojia Chen
- Department of Pharmacy, The First People's Hospital, Pingjiang, Yueyang, Hunan, China
| | - Yuanyuan Peng
- School of Electrical and Automation Engineering, East China Jiaotong University, Nanchang, 330000, China
| | - Xuan Cao
- Institute of Pharmacy and Pharmacology, Hunan Province, Cooperative Innovation Center for Molecular Target New Drug Study, College of Pharmacy, Hengyang Medical School, University of South China, Hengyang, 421001, China.
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2
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Ren JX, Zhou M, Feng XT, Zhao HY, Fu XP, Zhang X. Site-selective S-gem-difluoroallylation of unprotected peptides with 3,3-difluoroallyl sulfonium salts. Chem Sci 2024; 15:10002-10009. [PMID: 38966370 PMCID: PMC11220611 DOI: 10.1039/d4sc02681k] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2024] [Accepted: 05/20/2024] [Indexed: 07/06/2024] Open
Abstract
Bench-stable 3,3-difluoroallyl sulfonium salts (DFASs), featuring tunable activity and their editable C-β and gem-difluoroallyl group, proved to be versatile fluoroalkylating reagents for site-selective S-gem-difluoroallylation of cysteine residues in unprotected peptides. The reaction proceeds with high efficiency under mild conditions (ambient temperature and aqueous and weak basic conditions). Various protected/unprotected peptides, especially bioactive peptides, are site-selectively S-gem-difluoroallylated. The newly added gem-difluoroallyl group and other functional groups derived from C-β of DFASs are poised for ligation with bio-functional groups through click and radical chemistry. This stepwise "doubly orthogonal" modification of peptides enables the construction of bioconjugates with enhanced complexity and functionality. This proof of principle is successfully applied to construct a peptide-saccharide-biotin chimeric bioconjugate, indicating its great potential application in medicinal chemistry and chemical biology.
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Affiliation(s)
- Jin-Xiu Ren
- Key Laboratory of Fluorine and Nitrogen Chemistry and Advanced Materials, Shanghai Institute of Organic Chemistry, University of Chinese Academy of Sciences, Chinese Academy of Sciences 345 Lingling Road Shanghai 200032 China
| | - Minqi Zhou
- Key Laboratory of Fluorine and Nitrogen Chemistry and Advanced Materials, Shanghai Institute of Organic Chemistry, University of Chinese Academy of Sciences, Chinese Academy of Sciences 345 Lingling Road Shanghai 200032 China
| | - Xiao-Tian Feng
- Key Laboratory of Fluorine and Nitrogen Chemistry and Advanced Materials, Shanghai Institute of Organic Chemistry, University of Chinese Academy of Sciences, Chinese Academy of Sciences 345 Lingling Road Shanghai 200032 China
| | - Hai-Yang Zhao
- Key Laboratory of Fluorine and Nitrogen Chemistry and Advanced Materials, Shanghai Institute of Organic Chemistry, University of Chinese Academy of Sciences, Chinese Academy of Sciences 345 Lingling Road Shanghai 200032 China
| | - Xia-Ping Fu
- Key Laboratory of Fluorine and Nitrogen Chemistry and Advanced Materials, Shanghai Institute of Organic Chemistry, University of Chinese Academy of Sciences, Chinese Academy of Sciences 345 Lingling Road Shanghai 200032 China
| | - Xingang Zhang
- Key Laboratory of Fluorine and Nitrogen Chemistry and Advanced Materials, Shanghai Institute of Organic Chemistry, University of Chinese Academy of Sciences, Chinese Academy of Sciences 345 Lingling Road Shanghai 200032 China
- School of Chemistry and Material Sciences Hangzhou Institute for Advanced Study, University of Chinese Academy of Sciences Hangzhou 310024 China
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3
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Wang G, Chen A, Aryal P, Bietsch J. Synthetic approaches of carbohydrate based self-assembling systems. Org Biomol Chem 2024. [PMID: 38904076 DOI: 10.1039/d4ob00636d] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/22/2024]
Abstract
Carbohydrate-based self-assembling systems are essential for the formation of advanced biocompatible materials via a bottom-up approach. The self-assembling of sugar-based small molecules has applications encompassing many research fields and has been studied extensively. In this focused review, we will discuss the synthetic approaches for carbohydrate-based self-assembling (SA) systems, the mechanisms of the assembly, as well as the main properties and applications. This review will mainly cover recent publications in the last four years from January 2020 to December 2023. We will essentially focus on small molecule self-assembly, excluding polymer-based systems, which include various derivatives of monosaccharides, disaccharides, and oligosaccharides. Glycolipids, glycopeptides, and some glycoconjugate-based systems are discussed. Typically, in each category of systems, the system that can function as low molecular weight gelators (LMWGs) will be discussed first, followed by self-assembling systems that produce micelles and aggregates. The last section of the review discusses stimulus-responsive self-assembling systems, especially those forming gels, including dynamic covalent assemblies, chemical-triggered systems, and photoresponsive systems. The review will be organized based on the sugar structures, and in each category, the synthesis of representative molecular systems will be discussed next, followed by the properties of the resulting molecular assemblies.
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Affiliation(s)
- Guijun Wang
- Department of Chemistry and Biochemistry, Old Dominion University, Norfolk, VA 23529, USA.
| | - Anji Chen
- Department of Chemistry and Biochemistry, Old Dominion University, Norfolk, VA 23529, USA.
| | - Pramod Aryal
- Department of Chemistry and Biochemistry, Old Dominion University, Norfolk, VA 23529, USA.
| | - Jonathan Bietsch
- Department of Chemistry and Biochemistry, Old Dominion University, Norfolk, VA 23529, USA.
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4
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Li Y, Tian Y, Xie D, Wang Y, Niu D. Stereoselective synthesis of α-glycosyl azides: allyl glycosyl sulfones as radical precursors. Chem Commun (Camb) 2024; 60:6288-6291. [PMID: 38809217 DOI: 10.1039/d4cc01687d] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/30/2024]
Abstract
Despite their critical importance in drug development and biochemistry, efficiently synthesizing α-glycosyl azides has continued to pose significant challenges. In this report, we introduce a universal and practical radical reaction for the stereoselective synthesis of α-glycosyl azides using bench-stable allyl glycosyl sulfones as the donor. This method is characterized by its mild reaction conditions, high stereoselectivity, and extensive scope of glycosyl units. Moreover, the accessibility of several structurally complex drug-sugar conjugates underscores the practicality of our approach.
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Affiliation(s)
- Yanjing Li
- School of Chemical Engineering and Department of Emergency, State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, Sichuan University, Chengdu, China.
| | - Yubiao Tian
- School of Chemical Engineering and Department of Emergency, State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, Sichuan University, Chengdu, China.
| | - Demeng Xie
- School of Chemical Engineering and Department of Emergency, State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, Sichuan University, Chengdu, China.
| | - Yingwei Wang
- Department of Nuclear Medicine, Laboratory of Clinical Nuclear Medicine, West China Hospital, Sichuan University, Chengdu, China.
| | - Dawen Niu
- School of Chemical Engineering and Department of Emergency, State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, Sichuan University, Chengdu, China.
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5
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Jiang LF, Wu SH, Jiang YX, Ma HX, He JJ, Bi YB, Kong DY, Cheng YF, Cheng X, Deng QH. Enantioselective copper-catalyzed azidation/click cascade reaction for access to chiral 1,2,3-triazoles. Nat Commun 2024; 15:4919. [PMID: 38858346 PMCID: PMC11164697 DOI: 10.1038/s41467-024-49313-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/29/2024] [Accepted: 06/03/2024] [Indexed: 06/12/2024] Open
Abstract
Chiral 1,2,3-triazoles are highly attractive motifs in various fields. However, achieving catalytic asymmetric click reactions of azides and alkynes for chiral triazole synthesis remains a significant challenge, mainly due to the limited catalytic systems and substrate scope. Herein, we report an enantioselective azidation/click cascade reaction of N-propargyl-β-ketoamides with a readily available and potent azido transfer reagent via copper catalysis, which affords a variety of chiral 1,2,3-triazoles with up to 99% yield and 95% ee under mild conditions. Notably, chiral 1,5-disubstituted triazoles that have not been accessed by previous asymmetric click reactions are also prepared with good functional group tolerance.
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Affiliation(s)
- Ling-Feng Jiang
- The Education Ministry Key Laboratory of Resource Chemistry, Joint International Research Laboratory of Resource Chemistry of Ministry of Education, Shanghai Key Laboratory of Rare Earth Functional Materials, and Shanghai Frontiers Science Center of Biomimetic Catalysis, Shanghai Normal University, 200234, Shanghai, China
| | - Shao-Hua Wu
- The Education Ministry Key Laboratory of Resource Chemistry, Joint International Research Laboratory of Resource Chemistry of Ministry of Education, Shanghai Key Laboratory of Rare Earth Functional Materials, and Shanghai Frontiers Science Center of Biomimetic Catalysis, Shanghai Normal University, 200234, Shanghai, China
| | - Yu-Xuan Jiang
- The Education Ministry Key Laboratory of Resource Chemistry, Joint International Research Laboratory of Resource Chemistry of Ministry of Education, Shanghai Key Laboratory of Rare Earth Functional Materials, and Shanghai Frontiers Science Center of Biomimetic Catalysis, Shanghai Normal University, 200234, Shanghai, China
| | - Hong-Xiang Ma
- The Education Ministry Key Laboratory of Resource Chemistry, Joint International Research Laboratory of Resource Chemistry of Ministry of Education, Shanghai Key Laboratory of Rare Earth Functional Materials, and Shanghai Frontiers Science Center of Biomimetic Catalysis, Shanghai Normal University, 200234, Shanghai, China
| | - Jia-Jun He
- The Education Ministry Key Laboratory of Resource Chemistry, Joint International Research Laboratory of Resource Chemistry of Ministry of Education, Shanghai Key Laboratory of Rare Earth Functional Materials, and Shanghai Frontiers Science Center of Biomimetic Catalysis, Shanghai Normal University, 200234, Shanghai, China
| | - Yang-Bo Bi
- The Education Ministry Key Laboratory of Resource Chemistry, Joint International Research Laboratory of Resource Chemistry of Ministry of Education, Shanghai Key Laboratory of Rare Earth Functional Materials, and Shanghai Frontiers Science Center of Biomimetic Catalysis, Shanghai Normal University, 200234, Shanghai, China
| | - De-Yi Kong
- The Education Ministry Key Laboratory of Resource Chemistry, Joint International Research Laboratory of Resource Chemistry of Ministry of Education, Shanghai Key Laboratory of Rare Earth Functional Materials, and Shanghai Frontiers Science Center of Biomimetic Catalysis, Shanghai Normal University, 200234, Shanghai, China
| | - Yi-Fei Cheng
- The Education Ministry Key Laboratory of Resource Chemistry, Joint International Research Laboratory of Resource Chemistry of Ministry of Education, Shanghai Key Laboratory of Rare Earth Functional Materials, and Shanghai Frontiers Science Center of Biomimetic Catalysis, Shanghai Normal University, 200234, Shanghai, China
| | - Xuan Cheng
- The Education Ministry Key Laboratory of Resource Chemistry, Joint International Research Laboratory of Resource Chemistry of Ministry of Education, Shanghai Key Laboratory of Rare Earth Functional Materials, and Shanghai Frontiers Science Center of Biomimetic Catalysis, Shanghai Normal University, 200234, Shanghai, China
| | - Qing-Hai Deng
- The Education Ministry Key Laboratory of Resource Chemistry, Joint International Research Laboratory of Resource Chemistry of Ministry of Education, Shanghai Key Laboratory of Rare Earth Functional Materials, and Shanghai Frontiers Science Center of Biomimetic Catalysis, Shanghai Normal University, 200234, Shanghai, China.
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6
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Abronina PI, Malysheva NN, Zinin AI, Novikov DS, Panova MV, Kononov LO. Unusual triflic acid-promoted oligomerization of arabinofuranosides during glycosylation. Carbohydr Res 2024; 540:109141. [PMID: 38740000 DOI: 10.1016/j.carres.2024.109141] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2024] [Revised: 04/27/2024] [Accepted: 05/01/2024] [Indexed: 05/16/2024]
Abstract
We discovered an unusual triflic acid-promoted oligomerization of arabinofuranosides during glycosylation of the primary hydroxy group of α-(1 → 5)-linked tetraarabinofuranoside bearing 4-(2-chloroethoxy)phenyl aglycone with α-(1 → 5), β-(1 → 2)-linked tetraarabinofuranoside containing N-phenyltrifluoroacetimidoyl leaving group, which led to octa-, dodeca- and hexadecaarabinofuranosides. The possible mechanism of triflic acid-promoted oligomerization was proposed. The choice of promoter was found to be a critical factor for the discovered oligomerization of arabinofuranosides. The obtained octa-, dodeca- and hexadecaarabinofuranosides may serve as useful blocks in the synthesis of oligosaccharide fragments of polysaccharides of Mycobacterium tuberculosis.
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Affiliation(s)
- Polina I Abronina
- N. D. Zelinsky Institute of Organic Chemistry of the Russian Academy of Sciences, Leninsky Prosp. 47, 119991 Moscow, Russian Federation.
| | - Nelly N Malysheva
- N. D. Zelinsky Institute of Organic Chemistry of the Russian Academy of Sciences, Leninsky Prosp. 47, 119991 Moscow, Russian Federation
| | - Alexander I Zinin
- N. D. Zelinsky Institute of Organic Chemistry of the Russian Academy of Sciences, Leninsky Prosp. 47, 119991 Moscow, Russian Federation
| | - Dmitry S Novikov
- N. D. Zelinsky Institute of Organic Chemistry of the Russian Academy of Sciences, Leninsky Prosp. 47, 119991 Moscow, Russian Federation
| | - Maria V Panova
- N. D. Zelinsky Institute of Organic Chemistry of the Russian Academy of Sciences, Leninsky Prosp. 47, 119991 Moscow, Russian Federation
| | - Leonid O Kononov
- N. D. Zelinsky Institute of Organic Chemistry of the Russian Academy of Sciences, Leninsky Prosp. 47, 119991 Moscow, Russian Federation.
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7
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Gao J, Zhang F, Zhang X. A 66-Nuclear All-Alkynyl Protected Peanut-Shaped Silver(I)/Copper(I) Heterometallic Nanocluster: Intermediate in Copper-Catalyzed Alkyne-Azide Cycloaddition. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2024; 11:e2400377. [PMID: 38561956 PMCID: PMC11165478 DOI: 10.1002/advs.202400377] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/10/2024] [Revised: 03/01/2024] [Indexed: 04/04/2024]
Abstract
Ligand-protected heterometallic nanoclusters in contrast to homo-metal counterparts show more broad applications due to the synergistic effect of hetero-metals but their controllable syntheses remain a challenge. Among heterometallic nanoclusters, monovalent Ag-Cu compounds are rarely explored due to much difference of Ag(I) and Cu(I) such as atom radius, coordination habits, and redox potential. Encouraged by copper-catalyzed alkyne-azide cycloaddition (CuAAC) reaction, comproportionation reaction of Cu(II)X2 and Cu(0) in the presence of (PhC≡CAg)n complex and molybdate generated a core-shell peanut-shaped 66-nuclear Ag(I)-Cu(I) heterometallic nanocluster, [(Mo4O16)2@Cu12Ag54(PhC≡C)50] (referred to as Ag54Cu12). The structure and composition of Ag-Cu heterometallic nanocluster are fully characterized. X-ray single crystal diffraction reveals that Ag54Cu12 has a peanut-shaped silver(I)/copper(I) heterometallic nanocage protected by fifty phenylacetylene ligands in µ3-modes and encapsulated two mutually twisted tetramolybdates. Heterometallic nanocage contains a 54-Ag-atom outer ellipsoid silver cage decorated by 12 copper inside wall. Nanosized Ag54Cu12 is a n-type narrow-band-gap semiconductor with a good photocurrent response. Preliminary experiments demonstrates that Ag54Cu12 itself and activated carbon supported Ag54Cu12/C are effective catalysts for 1,3-dipole cycloaddition between alkynes and azides at ambient conditions. The work provides not only a new synthetic route toward Ag(I)-Cu(I) nanoclusters but also an important heterometallic intermediate in CuAAC catalytic reaction.
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Affiliation(s)
- Jin‐Ping Gao
- School of Chemistry & Material ScienceShanxi Normal UniversityTaiyuan030006P. R. China
| | - Fu‐Qiang Zhang
- School of Chemistry & Material ScienceShanxi Normal UniversityTaiyuan030006P. R. China
| | - Xian‐Ming Zhang
- School of Chemistry & Material ScienceShanxi Normal UniversityTaiyuan030006P. R. China
- College of ChemistryTaiyuan University of TechnologyTaiyuan030024P. R. China
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8
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Wang H, Tang H, Qiu X, Li Y. Solid-State Glass Nanopipettes: Functionalization and Applications. Chemistry 2024; 30:e202400281. [PMID: 38507278 DOI: 10.1002/chem.202400281] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/22/2024] [Revised: 02/28/2024] [Accepted: 03/19/2024] [Indexed: 03/22/2024]
Abstract
Solid-state glass nanopipettes provide a promising confined space that offers several advantages such as controllable size, simple preparation, low cost, good mechanical stability, and good thermal stability. These advantages make them an ideal choice for various applications such as biosensors, DNA sequencing, and drug delivery. In this review, we first delve into the functionalized nanopipettes for sensing various analytes and the methods used to develop detection means with them. Next, we provide an in-depth overview of the advanced functionalization methodologies of nanopipettes based on diversified chemical kinetics. After that, we present the latest state-of-the-art achievements and potential applications in detecting a wide range of targets, including ions, molecules, biological macromolecules, and single cells. We examine the various challenges that arise when working with these targets, as well as the innovative solutions developed to overcome them. The final section offers an in-depth overview of the current development status, newest trends, and application prospects of sensors. Overall, this review provides a comprehensive and detailed analysis of the current state-of-the-art functionalized nanopipette perception sensing and development of detection means and offers valuable insights into the prospects for this exciting field.
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Affiliation(s)
- Hao Wang
- Key Laboratory of Green and Precise Synthetic Chemistry and Applications, Ministry of Education, School of Chemistry and Materials Science, Huaibei Normal University, Huaibei, 235000, Anhui, P.R. China
| | - Haoran Tang
- Key Laboratory of Green and Precise Synthetic Chemistry and Applications, Ministry of Education, School of Chemistry and Materials Science, Huaibei Normal University, Huaibei, 235000, Anhui, P.R. China
| | - Xia Qiu
- Key Laboratory of Functional Molecular Solids, Ministry of Education, Anhui Key Laboratory of Chemo/Biosensing College of Chemistry and Materials Science, Anhui Normal University, Wuhu, 241000, P.R. China
| | - Yongxin Li
- Key Laboratory of Functional Molecular Solids, Ministry of Education, Anhui Key Laboratory of Chemo/Biosensing College of Chemistry and Materials Science, Anhui Normal University, Wuhu, 241000, P.R. China
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9
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Zhang Z, Lv X, Mu X, Zhao M, Wang S, Ke C, Ding S, Zhou D, Wang M, Zeng R. In-situ noncovalent interaction of ammonium ion enabled C-H bond functionalization of polyethylene glycols. Nat Commun 2024; 15:4445. [PMID: 38789453 PMCID: PMC11126569 DOI: 10.1038/s41467-024-48584-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2023] [Accepted: 05/07/2024] [Indexed: 05/26/2024] Open
Abstract
The noncovalent interactions of ammonium ion with multidentate oxygen-based host has never been reported as a reacting center in catalytic reactions. In this work, we report a reactivity enhancement process enabled by non-covalent interaction of ammonium ion, achieving the C-H functionalization of polyethylene glycols with acrylates by utilizing photoinduced co-catalysis of iridium and quinuclidine. A broad scope of alkenes can be tolerated without observing significant degradation. Moreover, this cyano-free condition respectively allows the incorporation of bioactive molecules and the PEGylation of dithiothreitol-treated bovine serum albumin, showing great potentials in drug delivery and protein modification. DFT calculations disclose that the formed α-carbon radical adjacent to oxygen-atom is reduced directly by iridium before acrylate addition. And preliminary mechanistic experiments reveal that the noncovalent interaction of PEG chain with the formed quinuclidinium species plays a unique role as a catalytic site by facilitating the proton transfer and ultimately enabling the transformation efficiently.
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Affiliation(s)
- Zongnan Zhang
- School of Chemistry & School of Chemical Engineering and Technology, Xi'an Jiaotong University, Xi'an, 710049, P. R. China
| | - Xueli Lv
- State Key Laboratory of Coordination Chemistry, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing, 210093, P. R. China
| | - Xin Mu
- School of Chemistry & School of Chemical Engineering and Technology, Xi'an Jiaotong University, Xi'an, 710049, P. R. China
| | - Mengyao Zhao
- College of Chemistry and Chemical Engineering, Xi'an Shiyou University, Xi'an, 710065, P. R. China
| | - Sichang Wang
- College of Chemistry and Chemical Engineering, Xi'an Shiyou University, Xi'an, 710065, P. R. China
| | - Congyu Ke
- College of Chemistry and Chemical Engineering, Xi'an Shiyou University, Xi'an, 710065, P. R. China
| | - Shujiang Ding
- School of Chemistry & School of Chemical Engineering and Technology, Xi'an Jiaotong University, Xi'an, 710049, P. R. China.
| | - Dezhong Zhou
- School of Chemistry & School of Chemical Engineering and Technology, Xi'an Jiaotong University, Xi'an, 710049, P. R. China.
| | - Minyan Wang
- State Key Laboratory of Coordination Chemistry, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing, 210093, P. R. China.
| | - Rong Zeng
- School of Chemistry & School of Chemical Engineering and Technology, Xi'an Jiaotong University, Xi'an, 710049, P. R. China.
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10
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Guo H, Kirchhoff JL, Strohmann C, Grabe B, Loh CCJ. Asymmetric Pd/Organoboron-Catalyzed Site-Selective Carbohydrate Functionalization with Alkoxyallenes Involving Noncovalent Stereocontrol. Angew Chem Int Ed Engl 2024; 63:e202400912. [PMID: 38530140 DOI: 10.1002/anie.202400912] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2024] [Revised: 03/19/2024] [Accepted: 03/20/2024] [Indexed: 03/27/2024]
Abstract
Herein, we demonstrate the robustness of a synergistic chiral Pd/organoboron system in tackling a challenging suite of site-, regio-, enantio- and diastereoselectivity issues across a considerable palette of biologically relevant carbohydrate polyols, when prochiral alkoxyallenes were employed as electrophiles. In view of the burgeoning role of noncovalent interactions (NCIs) in stereoselective carbohydrate synthesis, our mechanistic experiments and DFT modeling of the reaction path unexpectedly revealed that NCIs such as hydrogen bonding and CH-π interactions between the resting states of the Pd-π-allyl complex and the borinate saccharide are critically involved in the stereoselectivity control. Our strategy thus illuminates the untapped potential of harnessing NCIs in the context of transition metal catalysis to tackle stereoselectivity challenges in carbohydrate functionalization.
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Affiliation(s)
- Hao Guo
- Abteilung Chemische Biologie, Max Planck Institut für Molekulare Physiologie, Otto-Hahn-Straße 11, 44227, Dortmund, Germany
- Fakultät für Chemie und Chemische Biologie, Technische Universität Dortmund, Otto-Hahn-Straße 4a, 44227, Dortmund, Germany
| | - Jan-Lukas Kirchhoff
- Technische Universität Dortmund, Fakultät für Chemie und Chemische Biologie Anorganische Chemie, Otto-Hahn-Straße 6, 44227, Dortmund, Germany
| | - Carsten Strohmann
- Technische Universität Dortmund, Fakultät für Chemie und Chemische Biologie Anorganische Chemie, Otto-Hahn-Straße 6, 44227, Dortmund, Germany
| | - Bastian Grabe
- NMR Department Fakultät für Chemie und Chemische Biologie, Technische Universität Dortmund, Otto-Hahn-Straße 4a, 44227, Dortmund, Germany
| | - Charles C J Loh
- Abteilung Chemische Biologie, Max Planck Institut für Molekulare Physiologie, Otto-Hahn-Straße 11, 44227, Dortmund, Germany
- Fakultät für Chemie und Chemische Biologie, Technische Universität Dortmund, Otto-Hahn-Straße 4a, 44227, Dortmund, Germany
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11
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Sun Q, Ni J, Li S, Ding H, Wang P, Song N, Wang X, Li M. Access to Reverse Glycosyl Azides and Rare Sugar-Based Glycosyl Azides via Radical Decarboxylative Azidation: Divergent Synthesis of 4'- C-Azidonucleosides as Potential Antiviral Agents. Org Lett 2024; 26:3997-4001. [PMID: 38687048 DOI: 10.1021/acs.orglett.4c01084] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/02/2024]
Abstract
The radical decarboxylative azidation of structurally diverse uronic acids has been established as an efficient approach to reverse glycosyl azides and rare sugar-derived glycosyl azides under the action of Ag2CO3, 3-pyridinesulfonyl azide, and K2S2O8. The power of this method has been highlighted by the divergent synthesis of 4'-C-azidonucleosides using Vorbrüggen glycosylation of nucleobases with 4-C-azidofuranosyl acetates. The antiviral assessment of the resulting nucleosides revealed one compound as a potential inhibitor of covalently closed circular DNA.
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Affiliation(s)
- Qikai Sun
- Key Laboratory of Marine Medicine, Chinese Ministry of Education, School of Medicine and Pharmacy, Ocean University of China, Qingdao 266003, China
| | - Jingxuan Ni
- Key Laboratory of Marine Medicine, Chinese Ministry of Education, School of Medicine and Pharmacy, Ocean University of China, Qingdao 266003, China
| | - Shanshan Li
- Key Laboratory of Marine Medicine, Chinese Ministry of Education, School of Medicine and Pharmacy, Ocean University of China, Qingdao 266003, China
| | - Han Ding
- Key Laboratory of Marine Medicine, Chinese Ministry of Education, School of Medicine and Pharmacy, Ocean University of China, Qingdao 266003, China
| | - Peng Wang
- Key Laboratory of Marine Medicine, Chinese Ministry of Education, School of Medicine and Pharmacy, Ocean University of China, Qingdao 266003, China
| | - Ni Song
- Key Laboratory of Marine Medicine, Chinese Ministry of Education, School of Medicine and Pharmacy, Ocean University of China, Qingdao 266003, China
- Laboratory for Marine Drugs and Bioproducts, Pilot National Laboratory for Marine Science and Technology, Qingdao 266237, China
| | - Xin Wang
- Key Laboratory of Marine Medicine, Chinese Ministry of Education, School of Medicine and Pharmacy, Ocean University of China, Qingdao 266003, China
- Key Laboratory of Tropical Biological Resources of Ministry of Education and One Health Institute, School of Pharmaceutical Sciences, Hainan University, Haikou 570228, China
- Song Li' Academician Workstation, School of Pharmaceutical Sciences, Hainan University, Sanya 572000, China
| | - Ming Li
- Key Laboratory of Marine Medicine, Chinese Ministry of Education, School of Medicine and Pharmacy, Ocean University of China, Qingdao 266003, China
- Laboratory for Marine Drugs and Bioproducts, Pilot National Laboratory for Marine Science and Technology, Qingdao 266237, China
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12
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Noël N, Martinez A, Massicot F, Vasse JL, Behr JB. Kinetics of Strain-Promoted Alkyne-Nitrone Cycloadditions (SPANC) with Unprotected Carbohydrate Scaffolded Nitrones. Org Lett 2024; 26:3917-3922. [PMID: 38690807 DOI: 10.1021/acs.orglett.4c01098] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/03/2024]
Abstract
The use of unprotected carbohydrate-derived nitrones as partners in strain-promoted alkyne-nitrone cycloadditions was investigated as a new tool for bioconjugation. The observed second-order reactions displayed rate constants of 3.4 × 10-4-5.8 × 10-2 M-1 s-1, which is the common order of magnitude of reaction kinetics with other simple aliphatic or aromatic nitrones. Applicability of this method to aqueous media was demonstrated by performing a one-pot protocol, which combines sequential formation of the nitrone and cycloaddition with cyclooctyne in water.
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Affiliation(s)
- Nathan Noël
- Université de Reims Champagne-Ardenne, CNRS UMR 7312, ICMR, 51687 Reims, France
| | - Agathe Martinez
- Université de Reims Champagne-Ardenne, CNRS UMR 7312, ICMR, 51687 Reims, France
| | - Fabien Massicot
- Université de Reims Champagne-Ardenne, CNRS UMR 7312, ICMR, 51687 Reims, France
| | - Jean-Luc Vasse
- Université de Reims Champagne-Ardenne, CNRS UMR 7312, ICMR, 51687 Reims, France
| | - Jean-Bernard Behr
- Université de Reims Champagne-Ardenne, CNRS UMR 7312, ICMR, 51687 Reims, France
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13
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Lou J, Ancajas CF, Zhou Y, Lane NS, Reynolds TB, Best MD. Probing Glycerolipid Metabolism using a Caged Clickable Glycerol-3-Phosphate Probe. Chembiochem 2024:e202300853. [PMID: 38705850 DOI: 10.1002/cbic.202300853] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2023] [Revised: 04/25/2024] [Accepted: 05/05/2024] [Indexed: 05/07/2024]
Abstract
In this study, we present the probe SATE-G3P-N3 as a novel tool for metabolic labeling of glycerolipids (GLs) to investigate lipid metabolism in yeast cells. By introducing a clickable azide handle onto the glycerol backbone, this probe enables general labeling of glycerolipids. Additionally, this probe contains a caged phosphate moiety at the glycerol sn-3 position to not only facilitate probe uptake by masking negative charge but also to bypass the phosphorylation step crucial for initiating phospholipid synthesis, thereby enhancing phospholipid labeling. The metabolic labeling activity of the probe was thoroughly assessed through cellular fluorescence microscopy, mass spectrometry (MS), and thin-layer chromatography (TLC) experiments. Fluorescence microscopy analysis demonstrated successful incorporation of the probe into yeast cells, with labeling predominantly localized at the plasma membrane. LCMS analysis confirmed metabolic labeling of various phospholipid species (PC, PS, PA, PI, and PG) and neutral lipids (MAG, DAG, and TAG), and GL labeling was corroborated by TLC. These results showcased the potential of the SATE-G3P-N3 probe in studying GL metabolism, offering a versatile and valuable approach to explore the intricate dynamics of lipids in yeast cells.
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Affiliation(s)
- Jinchao Lou
- Department of Chemistry, University of Tennessee, Knoxville, 1420 Circle Drive, Knoxville, TN, 37996, USA
| | - Christelle F Ancajas
- Department of Chemistry, University of Tennessee, Knoxville, 1420 Circle Drive, Knoxville, TN, 37996, USA
| | - Yue Zhou
- Department of Microbiology, University of Tennessee, Knoxville, 1311 Cumberland Avenue, Knoxville, TN, 337996, USA
| | - Nicolas S Lane
- Department of Chemistry, University of Tennessee, Knoxville, 1420 Circle Drive, Knoxville, TN, 37996, USA
| | - Todd B Reynolds
- Department of Microbiology, University of Tennessee, Knoxville, 1311 Cumberland Avenue, Knoxville, TN, 337996, USA
| | - Michael D Best
- Department of Chemistry, University of Tennessee, Knoxville, 1420 Circle Drive, Knoxville, TN, 37996, USA
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14
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Kandler R, Benaragama Y, Bera M, Wang C, Samiha RA, Sameera WMC, Das S, Nag A. Development of Novel Immobilized Copper-Ligand Complex for Click Chemistry of Biomolecules. Molecules 2024; 29:2148. [PMID: 38731638 PMCID: PMC11085236 DOI: 10.3390/molecules29092148] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/26/2024] [Revised: 04/22/2024] [Accepted: 04/30/2024] [Indexed: 05/13/2024] Open
Abstract
Copper-catalyzed azide-alkyne cycloaddition click (CuAAC) reaction is widely used to synthesize drug candidates and other biomolecule classes. Homogeneous catalysts, which consist of copper coordinated to a ligand framework, have been optimized for high yield and specificity of the CuAAC reaction, but CuAAC reaction with these catalysts requires the addition of a reducing agent and basic conditions, which can complicate some of the desired syntheses. Additionally, removing copper from the synthesized CuAAC-containing biomolecule is necessary for biological applications but inconvenient and requires additional purification steps. We describe here the design and synthesis of a PNN-type pincer ligand complex with copper (I) that stabilizes the copper (I) and, therefore, can act as a CuAAC catalyst without a reducing agent and base under physiologically relevant conditions. This complex was immobilized on two types of resin, and one of the immobilized catalyst forms worked well under aqueous physiological conditions. Minimal copper leaching was observed from the immobilized catalyst, which allowed its use in multiple reaction cycles without the addition of any reducing agent or base and without recharging with copper ion. The mechanism of the catalytic cycle was rationalized by density functional theory (DFT). This catalyst's utility was demonstrated by synthesizing coumarin derivatives of small molecules such as ferrocene and sugar.
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Affiliation(s)
- Rene Kandler
- Carlson School of Chemistry and Biochemistry, Clark University, Worcester, MA 01610, USA; (R.K.); (M.B.); (C.W.); (R.A.S.)
| | - Yomal Benaragama
- Department of Chemistry, University of Colombo, Colombo 00300, Sri Lanka; (Y.B.); (W.M.C.S.)
| | - Manoranjan Bera
- Carlson School of Chemistry and Biochemistry, Clark University, Worcester, MA 01610, USA; (R.K.); (M.B.); (C.W.); (R.A.S.)
| | - Caroline Wang
- Carlson School of Chemistry and Biochemistry, Clark University, Worcester, MA 01610, USA; (R.K.); (M.B.); (C.W.); (R.A.S.)
| | - Rasheda Aktar Samiha
- Carlson School of Chemistry and Biochemistry, Clark University, Worcester, MA 01610, USA; (R.K.); (M.B.); (C.W.); (R.A.S.)
| | - W. M. C. Sameera
- Department of Chemistry, University of Colombo, Colombo 00300, Sri Lanka; (Y.B.); (W.M.C.S.)
| | - Samir Das
- Carlson School of Chemistry and Biochemistry, Clark University, Worcester, MA 01610, USA; (R.K.); (M.B.); (C.W.); (R.A.S.)
| | - Arundhati Nag
- Carlson School of Chemistry and Biochemistry, Clark University, Worcester, MA 01610, USA; (R.K.); (M.B.); (C.W.); (R.A.S.)
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15
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Dai L, Zhou X, Guo J, Huang Q, Lu Y. Copper-catalyzed atroposelective synthesis of C-O axially chiral compounds enabled by chiral 1,8-naphthyridine based ligands. Chem Sci 2024; 15:5993-6001. [PMID: 38665510 PMCID: PMC11040657 DOI: 10.1039/d4sc01074d] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2024] [Accepted: 03/04/2024] [Indexed: 04/28/2024] Open
Abstract
Axially chiral molecular scaffolds are widely present in therapeutic agents, natural products, catalysts, and advanced materials. The construction of such molecules has garnered significant attention from academia and industry. The catalytic asymmetric synthesis of axially chiral biaryls, along with other non-biaryl axially chiral molecules, has been extensively explored in the past decade. However, the atroposelective synthesis of C-O axial chirality remains largely underdeveloped. Herein, we document a copper-catalyzed atroposelective construction of C-O axially chiral compounds using novel 1,8-naphthyridine-based chiral ligands. Mechanistic investigations have provided good evidence in support of a mechanism involving synergistic interplay between a desymmetrization reaction and kinetic resolution process. The method described in this study holds great significance for the atroposelective synthesis of C-O axially chiral compounds, with promising applications in organic chemistry. The utilization of 1,8-naphthyridine-based ligands in copper catalysis is anticipated to find broad applications in asymmetric copper(i)-catalyzed azide-alkyne cycloadditions (CuAACs) and beyond.
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Affiliation(s)
- Lei Dai
- Department of Chemistry, National University of Singapore 117543 Singapore
- Chongqing Key Laboratory of Natural Product Synthesis and Drug Research, School of Pharmaceutical Sciences, Chongqing University Chongqing 401331 China
| | - Xueting Zhou
- Department of Chemistry, National University of Singapore 117543 Singapore
- Joint School of National University of Singapore and Tianjin University, International Campus of Tianjin University Binhai New City Fuzhou 350207 China
| | - Jiami Guo
- Department of Chemistry, National University of Singapore 117543 Singapore
- Joint School of National University of Singapore and Tianjin University, International Campus of Tianjin University Binhai New City Fuzhou 350207 China
| | - Qingqin Huang
- Department of Chemistry, National University of Singapore 117543 Singapore
- Joint School of National University of Singapore and Tianjin University, International Campus of Tianjin University Binhai New City Fuzhou 350207 China
| | - Yixin Lu
- Department of Chemistry, National University of Singapore 117543 Singapore
- Joint School of National University of Singapore and Tianjin University, International Campus of Tianjin University Binhai New City Fuzhou 350207 China
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16
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Yang WC, Chen CT. Expedient Azide-Alkyne Huisgen Cycloaddition Catalyzed by a Combination of VOSO 4 with Cu(0) in Aqueous Media. ACS ORGANIC & INORGANIC AU 2024; 4:235-240. [PMID: 38585512 PMCID: PMC10995936 DOI: 10.1021/acsorginorgau.3c00059] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/12/2023] [Revised: 12/14/2023] [Accepted: 12/15/2023] [Indexed: 04/09/2024]
Abstract
A series of vanadium(III), vanadyl(IV/V) species, inorganic metal oxides, and transition-metal oxides was examined as cocatalysts with Cu(0) powder for copper(I)-catalyzed azide-alkyne cycloaddition. Among them, vanadyl(IV) species bearing acetylacetonate, acetate, and sulfate, vanadyl(V) isopropoxide, and vanadate were suitable for the click reactions of per-acetyl and per-benzyl β-azido glycosides with three different terminal alkynes in CH3CN. Water-soluble vanadyl(IV) sulfate was further selected for efficient click reactions for unprotected β-glycosyl azides and even compatible with a thiol-containing substrate in aqueous media at ambient temperature.
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Affiliation(s)
- Wen-Chieh Yang
- Department of Chemistry, National Tsing Hua University, No. 101, Section 2, Kuang-Fu Road, Hsinchu 30013, Taiwan R.O.C
| | - Chien-Tien Chen
- Department of Chemistry, National Tsing Hua University, No. 101, Section 2, Kuang-Fu Road, Hsinchu 30013, Taiwan R.O.C
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17
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Bose P, Singh M, Gupta A, Kumar S, Ansari FJ, Pandey VK, Singh AS, Tiwari VK. Design, synthesis, and docking study of saccharin N-triazolyl glycoconjugates. Carbohydr Res 2024; 538:109101. [PMID: 38574410 DOI: 10.1016/j.carres.2024.109101] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2023] [Revised: 03/21/2024] [Accepted: 03/25/2024] [Indexed: 04/06/2024]
Abstract
To achieve better-repurposed motifs, saccharin has been merged with biocompatible sugar molecules via a 1,2,3-triazole linker, and ten novel 1,2,3-triazole-appended saccharin glycoconjugates were developed in good yield by utilizing modular CuAAC click as regioselective triazole forming tool. The docking study indicated that the resulting hybrid molecules have an overall substantial interaction with the CAXII macromolecule. Moreover, the galactose triazolyl saccharin analogue 3h has a binding energy of -8.5 kcal/mol with 5 H-bonds, and xylosyl 1,2,3-triazolyl saccharin analogue 3d has a binding energy of -8.2 kcal/mol with 6 H-bond interactions and have exhibited the highest binding interaction with the macromolecule system.
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Affiliation(s)
- Priyanka Bose
- Department of Chemistry, Institute of Science, Banaras Hindu University, Varanasi, 221005, India
| | - Mala Singh
- Department of Chemistry, Institute of Science, Banaras Hindu University, Varanasi, 221005, India
| | - Abhishek Gupta
- Department of Chemistry, Institute of Science, Banaras Hindu University, Varanasi, 221005, India
| | - Sunil Kumar
- Department of Chemistry, Institute of Science, Banaras Hindu University, Varanasi, 221005, India
| | - Faisal Jaah Ansari
- Department of Chemistry, Institute of Science, Banaras Hindu University, Varanasi, 221005, India
| | - Vinay K Pandey
- Department of Chemistry, Institute of Science, Banaras Hindu University, Varanasi, 221005, India
| | - Anoop S Singh
- Chemistry Innovation Research Center, Jubilant Biosys Ltd, Greater Noida, 201310, India
| | - Vinod K Tiwari
- Department of Chemistry, Institute of Science, Banaras Hindu University, Varanasi, 221005, India.
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18
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Ashrafi M, Amini M, Seidi F. Synthesis of Cu 3Fe 4V 6O 24 Nanoparticles to Produce 1,2,3-Triazoles by Azide-Alkyne Cycloaddition Reactions. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2024; 40:5195-5204. [PMID: 38418460 DOI: 10.1021/acs.langmuir.3c03389] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 03/01/2024]
Abstract
This paper presents the fabrication of novel Cu3Fe4V6O24 nanoparticles (NPs) via a facile sol-gel method as efficient nanocatalysts (NCs) to produce azide-alkyne 1,3-dipolar cycloaddition compounds. The effect of the calcination time on the formation of NPs was investigated. The as-prepared NPs were characterized using X-ray diffraction (XRD), Fourier transform infrared (FTIR), scanning electron microscopy (SEM), electron-dispersive X-ray spectroscopy (EDX), transmission electron microscopy (TEM), vibrating sample magnetometer (VSM), and Brunauer-Emmett-Teller (BET) analyses. Cu3Fe4V6O24 NCs were applied to azide-alkyne 1,3-dipolar cycloaddition reactions. The effect of the catalyst loading, temperature, and time of reaction was optimized to improve the efficiency of the NC function by the response surface methodology-central composite design (RSM-CCD) method. In optimal conditions, the yield of the reaction was 96%. In addition, the effect of different solvents on the yield of the reaction was investigated. Moreover, Cu3Fe4V6O24 NPs efficiently catalyze different 1,2,3-triazoles in excellent yields.
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Affiliation(s)
- Mahdi Ashrafi
- Department of Inorganic Chemistry, Faculty of Chemistry, University of Tabriz, Tabriz 5166616471, Iran
| | - Mojtaba Amini
- Department of Inorganic Chemistry, Faculty of Chemistry, University of Tabriz, Tabriz 5166616471, Iran
| | - Farzad Seidi
- Jiangsu Co-Innovation Center of Efficient Processing and Utilization of Forest Resources and International Innovation Center for Forest Chemicals and Materials, Nanjing Forestry University, Nanjing 210037, China
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19
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Zhu W, Shi Y, Lu J, Han F, Luo W, Xu D, Guo T, Huang G, Kühn FE, Zhang B, Zhang T. Sustainable production of triazoles from lignin major motifs. CHEMSUSCHEM 2024; 17:e202301421. [PMID: 38102854 DOI: 10.1002/cssc.202301421] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/30/2023] [Revised: 12/15/2023] [Accepted: 12/15/2023] [Indexed: 12/17/2023]
Abstract
An efficiently catalyzed synthesis of pharmaceutically relevant 1,2,3-trazoles from renewable resources is highly desirable. However, due to incompatible catalysis conditions, this endeavor remained challenging so far. Herein, a practical access protocol to 1,2,3-triazoles, starting from lignin phenolic β-O-4 with γ-OH group utilizing a vanadium-based catalyst is presented. A broad substrate scope reaching up to 97 % yield of 1,2,3-triazoles are obtained. The reaction pathway includes selective cleavage of double C-O bonds, cycloaddition, and dehydrogenation. Mechanistic studies and density-functional theory (DFT) calculations suggest that the V-based complex acts as a bifunctional catalyst for both selective C-O bonds cleavage and dehydrogenation. This synthetic pathway has been applied for the synthesis of pharmacological and biological active carbohydrate derivatives starting from biomass components as feedstock, enabling a potential sustainable route to triazolyl carbohydrate derivatives, which paves the way for lignin-based heterocyclic aromatics in the pharmaceutical applications.
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Affiliation(s)
- Wenqing Zhu
- CAS Key Laboratory of Science and Technology on Applied Catalysis, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian, 116023, China
- University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Yue Shi
- Department of Chemistry, School of Science and Tianjin Key Laboratory of Molecular Optoelectronic Sciences, Tianjin University, Tianjin, 300072, China
| | - Jinfei Lu
- CAS Key Laboratory of Science and Technology on Applied Catalysis, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian, 116023, China
| | - Fengan Han
- CAS Key Laboratory of Science and Technology on Applied Catalysis, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian, 116023, China
| | - Wenhao Luo
- School of Chemistry and Chemical Engineering, Inner Mongolia University, 235 West University Street, Hohhot, 010021, China
| | - Dezhu Xu
- CAS Key Laboratory of Science and Technology on Applied Catalysis, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian, 116023, China
| | - Tenglong Guo
- CAS Key Laboratory of Science and Technology on Applied Catalysis, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian, 116023, China
| | - Genping Huang
- Department of Chemistry, School of Science and Tianjin Key Laboratory of Molecular Optoelectronic Sciences, Tianjin University, Tianjin, 300072, China
| | - Fritz E Kühn
- Molecular Catalysis, Catalysis Research Center and Department of Chemistry, School of Natural Sciences, Technical University of Munich, Lichtenbergstr. 4, D - 85748, Garching bei München
| | - Bo Zhang
- CAS Key Laboratory of Science and Technology on Applied Catalysis, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian, 116023, China
- University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Tao Zhang
- CAS Key Laboratory of Science and Technology on Applied Catalysis, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian, 116023, China
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20
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Zhou M, Ren JX, Feng XT, Zhao HY, Fu XP, Min QQ, Zhang X. Late-stage gem-difluoroallylation of phenol in bioactive molecules and peptides with 3,3-difluoroallyl sulfonium salts. Chem Sci 2024; 15:2937-2945. [PMID: 38404383 PMCID: PMC10882445 DOI: 10.1039/d3sc06302j] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2023] [Accepted: 01/13/2024] [Indexed: 02/27/2024] Open
Abstract
An efficient method for the late-stage selective O-fluoroalkylation of tyrosine residues with a stable yet highly reactive fluoroalkylating reagent, 3,3-difluoroallyl sulfonium salts (DFASs), has been developed. The reaction proceeds in a mild basic aqueous buffer (pH = 11.6) with high efficiency, high biocompatibility, and excellent regio- and chemoselectivity. Various oligopeptides and phenol-containing bioactive molecules, including carbohydrates and nucleosides, could be selectively O-fluoroalkylated. The added vinyl and other functional groups from DFASs can be valuable linkers for successive modification, significantly expanding the chemical space for further bioconjugation. The synthetic utility of this protocol has been demonstrated by the fluorescently labeled anti-cancer drug and the synthesis of O-link type 1,4,7,10-tetraazacyclododecane-N,N',N,N'-tetraacetic acid-tyrosine3-octreotate (DOTA-TATE), showing the prospect of the method in medicinal chemistry and chemical biology.
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Affiliation(s)
- Minqi Zhou
- College of Chemistry and Henan Institute of Advanced Technology, Zhengzhou University Zhengzhou 450001 China
| | - Jin-Xiu Ren
- Key Laboratory of Fluorine and Nitrogen Chemistry and Advanced Materials (Chinese Academy of Sciences), Shanghai Institute of Organic Chemistry, University of Chinese Academy of Sciences, Chinese Academy of Sciences 345 Lingling Road Shanghai 200032 China
| | - Xiao-Tian Feng
- College of Chemistry and Henan Institute of Advanced Technology, Zhengzhou University Zhengzhou 450001 China
| | - Hai-Yang Zhao
- Key Laboratory of Fluorine and Nitrogen Chemistry and Advanced Materials (Chinese Academy of Sciences), Shanghai Institute of Organic Chemistry, University of Chinese Academy of Sciences, Chinese Academy of Sciences 345 Lingling Road Shanghai 200032 China
| | - Xia-Ping Fu
- Key Laboratory of Fluorine and Nitrogen Chemistry and Advanced Materials (Chinese Academy of Sciences), Shanghai Institute of Organic Chemistry, University of Chinese Academy of Sciences, Chinese Academy of Sciences 345 Lingling Road Shanghai 200032 China
| | - Qiao-Qiao Min
- Key Laboratory of Fluorine and Nitrogen Chemistry and Advanced Materials (Chinese Academy of Sciences), Shanghai Institute of Organic Chemistry, University of Chinese Academy of Sciences, Chinese Academy of Sciences 345 Lingling Road Shanghai 200032 China
| | - Xingang Zhang
- College of Chemistry and Henan Institute of Advanced Technology, Zhengzhou University Zhengzhou 450001 China
- Key Laboratory of Fluorine and Nitrogen Chemistry and Advanced Materials (Chinese Academy of Sciences), Shanghai Institute of Organic Chemistry, University of Chinese Academy of Sciences, Chinese Academy of Sciences 345 Lingling Road Shanghai 200032 China
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21
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Qiu K, Wu K, Ma H, Ao Y, Zhou W, Cai Q. A transition-metal-free azide-alkyne cycloaddition/hydroamination cascade reaction for the construction of triazole-fused piperazin-2-ones. Org Biomol Chem 2024; 22:1176-1180. [PMID: 38206312 DOI: 10.1039/d3ob01999c] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2024]
Abstract
A time-dependent, divergent synthesis of highly functionalized [1,2,3]triazolo[1,5-a]pyrazin-4(5H)-one (reaction time: 12 h) or 6,7-dihydro-[1,2,3]triazolo[1,5-a]pyrazin-4(5H)-one (reaction time: 2 h) scaffolds via a cascade azide-alkyne cycloaddition/hydroamination protocol is reported. The transformation features good functional group compatibility, broad substrate scope, high atom economy and avoidance of the use of transition-metal catalysts.
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Affiliation(s)
- Kongxi Qiu
- College of Pharmacy, Jinan University, No. 601 Huangpu Avenue West, Guangzhou, 510632, China.
| | - Kaifu Wu
- College of Pharmacy, Jinan University, No. 601 Huangpu Avenue West, Guangzhou, 510632, China.
| | - Haowen Ma
- College of Pharmacy, Jinan University, No. 601 Huangpu Avenue West, Guangzhou, 510632, China.
| | - Yunlin Ao
- College of Pharmacy, Jinan University, No. 601 Huangpu Avenue West, Guangzhou, 510632, China.
| | - Wei Zhou
- College of Pharmacy, Jinan University, No. 601 Huangpu Avenue West, Guangzhou, 510632, China.
| | - Qian Cai
- College of Pharmacy, Jinan University, No. 601 Huangpu Avenue West, Guangzhou, 510632, China.
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22
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Sevim S, Sanchis-Gual R, Franco C, Aragonès AC, Darwish N, Kim D, Picca RA, Nelson BJ, Ruiz E, Pané S, Díez-Pérez I, Puigmartí-Luis J. Electrostatic catalysis of a click reaction in a microfluidic cell. Nat Commun 2024; 15:790. [PMID: 38278792 PMCID: PMC10817948 DOI: 10.1038/s41467-024-44716-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2023] [Accepted: 01/02/2024] [Indexed: 01/28/2024] Open
Abstract
Electric fields have been highlighted as a smart reagent in nature's enzymatic machinery, as they can directly trigger or accelerate chemical processes with stereo- and regio-specificity. In enzymatic catalysis, controlled mass transport of chemical species is also key in facilitating the availability of reactants in the active reaction site. However, recent progress in developing a clean catalysis that profits from oriented electric fields is limited to theoretical and experimental studies at the single molecule level, where both the control over mass transport and scalability cannot be tested. Here, we quantify the electrostatic catalysis of a prototypical Huisgen cycloaddition in a large-area electrode surface and directly compare its performance to the conventional Cu(I) catalysis. Our custom-built microfluidic cell enhances reagent transport towards the electrified reactive interface. This continuous-flow microfluidic electrostatic reactor is an example of an electric-field driven platform where clean large-scale electrostatic catalytic processes can be efficiently implemented and regulated.
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Affiliation(s)
- Semih Sevim
- Institute of Robotics and Intelligent Systems, ETH Zurich, Tannenstrasse 3, CH-8092, Zurich, Switzerland
| | - Roger Sanchis-Gual
- Institute of Robotics and Intelligent Systems, ETH Zurich, Tannenstrasse 3, CH-8092, Zurich, Switzerland
| | - Carlos Franco
- Institute of Robotics and Intelligent Systems, ETH Zurich, Tannenstrasse 3, CH-8092, Zurich, Switzerland
| | - Albert C Aragonès
- Departament de Ciència de Materials i Química Física, Institut de Química Teòrica i Computacional, University of Barcelona (UB), Marti i Franquès 1, 08028, Barcelona, Spain
| | - Nadim Darwish
- School of Molecular and Life Sciences, Curtin University, Bentley, 6102, WA, Australia
| | - Donghoon Kim
- Institute of Robotics and Intelligent Systems, ETH Zurich, Tannenstrasse 3, CH-8092, Zurich, Switzerland
| | - Rosaria Anna Picca
- Chemistry Department, University of Bari "Aldo Moro", via E. Orabona 4, 70125, Bari, Italy
| | - Bradley J Nelson
- Institute of Robotics and Intelligent Systems, ETH Zurich, Tannenstrasse 3, CH-8092, Zurich, Switzerland
| | - Eliseo Ruiz
- Departament de Química Inorgànica i Orgànica, Institut de Química Teòrica i Computacional, University of Barcelona (UB), Diagonal 645, 08028, Barcelona, Spain
| | - Salvador Pané
- Institute of Robotics and Intelligent Systems, ETH Zurich, Tannenstrasse 3, CH-8092, Zurich, Switzerland.
| | - Ismael Díez-Pérez
- Department of Chemistry, Faculty of Natural, Mathematical & Engineering Sciences, King's College London, Britannia House, 7 Trinity Street, London, SE1 1DB, UK.
| | - Josep Puigmartí-Luis
- Departament de Ciència de Materials i Química Física, Institut de Química Teòrica i Computacional, University of Barcelona (UB), Marti i Franquès 1, 08028, Barcelona, Spain.
- Institució Catalana de Recerca i Estudis Avançats (ICREA), Pg. Lluís Companys 23, 08010, Barcelona, Spain.
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23
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Hazarika R, Dutta S, Sarmah S, Hazarika PK, Singh K, Kumar A, Sarma B, Sarma D. PCy 3-assisted Ag(I)-catalyzed click reaction for regioselective synthesis of 1,4-disubstituted 1,2,3-triazoles at room temperature. Org Biomol Chem 2024; 22:694-698. [PMID: 38093645 DOI: 10.1039/d3ob01738a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/25/2024]
Abstract
An approach towards Cu-free click chemistry has been developed in this work. Silver-catalyzed PCy3-ligand-assisted synthesis of 1,4-disubstituted 1,2,3-triazoles at room temperature has been developed. Regioselectivity of the reaction was confirmed from the results of single-crystal X-ray diffraction (SC-XRD) of one of the products. SC-XRD of ex situ-generated Ag-PCy3 complex helped us propose a plausible mechanism for the reaction. This reaction was indicated to exhibit a catalytic activity level similar to that for the in situ-generated complex. The methodology was found to work well with benzyl azides, phenyl azides, terminal alkynes and internal alkynes in aqueous medium. The one-pot three-component reaction leading to 1,2,3-triazole synthesis also proceeded well.
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Affiliation(s)
- Roktopol Hazarika
- Department of Chemistry, Dibrugarh University, Dibrugarh-786004, Assam, India.
| | - Sanghamitra Dutta
- Department of Chemistry, Dibrugarh University, Dibrugarh-786004, Assam, India.
| | - Samprity Sarmah
- Department of Chemistry, Dibrugarh University, Dibrugarh-786004, Assam, India.
| | | | - Kuldeep Singh
- AcSIR, Salt and Marine Chemicals Division, CSIR-Central Salt and Marine Chemicals Research Institute, Bhavnagar-364002, India
| | - Arvind Kumar
- AcSIR, Salt and Marine Chemicals Division, CSIR-Central Salt and Marine Chemicals Research Institute, Bhavnagar-364002, India
| | - Bipul Sarma
- Department of Chemical Sciences, Tezpur University -364002, India
| | - Diganta Sarma
- Department of Chemistry, Dibrugarh University, Dibrugarh-786004, Assam, India.
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24
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Tao J, Guo F, Sun Y, Sun X, Hu Y. Self-Assembled Nanotubes Based on Chiral H 8-BINOL Modified with 1,2,3-Triazole to Recognize Bi 3+ Efficiently by ICT Mechanism. MICROMACHINES 2024; 15:163. [PMID: 38276862 PMCID: PMC10821062 DOI: 10.3390/mi15010163] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/30/2023] [Revised: 01/18/2024] [Accepted: 01/20/2024] [Indexed: 01/27/2024]
Abstract
A novel fluorescent "off" probe R-β-D-1 containing a 1,2,3-triazole moiety was obtained by the Click reaction with azidoglucose using H8-BINOL as a substrate, and the structure was characterized by 1H NMR and 13C NMR and ESI-MS analysis. The fluorescence properties of R-β-D-1 in methanol were investigated, and it was found that R-β-D-1 could be selectively fluorescently quenched by Bi3+ in the recognition of 19 metal ions and basic cations. The recognition process of Bi3+ by R-β-D-1 was also investigated by fluorescence spectroscopy, SEM, AFM, etc. The complex pattern of R-β-D-1 with Bi3+ was determined by Job's curve as 1 + 1, and the binding constant Ka of R-β-D-1 and Bi3+ was valued by the Benesi-Hildebrand equation as 1.01 × 104 M-1, indicating that the binding force of R-β-D-1 and Bi3+ was medium. The lowest detection limit (LOD) of the self-assembled H8-BINOL derivative for Bi3+ was up to 0.065 µM. The mechanism for the recognition of Bi3+ by the sensor R-β-D-1 may be the intramolecular charge transfer effect (ICT), which was attributed to the fact that the N-3 of the triazole readily serves as an electron acceptor while the incorporation of Bi3+ serves as an electron donor, and the two readily undergo coordination leading to the quenching of fluorescence. The recognition mechanism and recognition site could be verified by DFT calculation and CDD (Charge Density Difference).
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Affiliation(s)
- Jisheng Tao
- Jiangxi Key Laboratory of Organic Chemistry, Jiangxi Science and Technology Normal University, Nanchang 330013, China; (J.T.); (F.G.)
| | - Fang Guo
- Jiangxi Key Laboratory of Organic Chemistry, Jiangxi Science and Technology Normal University, Nanchang 330013, China; (J.T.); (F.G.)
| | - Yue Sun
- State Key Laboratory of Molecular Engineering of Polymers, Shanghai Key Laboratory of Molecular Catalysis and Innovative Materials iChEM, Department of Chemistry, Fudan University, Shanghai 200433, China;
| | - Xiaoxia Sun
- Jiangxi Key Laboratory of Organic Chemistry, Jiangxi Science and Technology Normal University, Nanchang 330013, China; (J.T.); (F.G.)
| | - Yu Hu
- College of Chemistry, Nanchang University, Nanchang 330031, China
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25
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Tao J, Wang H, Sun Y, Sun X, Hu Y. Self-assembled nanovesicles based on chiral bis-H 8-BINOL for Fe 3+ recognition and secondary recognition of l-cysteine by 1 + 1 complex. RSC Adv 2024; 14:2422-2428. [PMID: 38223697 PMCID: PMC10785047 DOI: 10.1039/d3ra07654g] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2023] [Accepted: 01/08/2024] [Indexed: 01/16/2024] Open
Abstract
A novel fluorescent "off" sensor, R-β-d-1, was obtained in high yield (91.2%) by using octahydronaphthol as a backbone, introducing an alkyne group at the 2-position, and linking azido-glucose via a click reaction. The sensor was analyzed by scanning electron microscopy and transmission electron microscopy and was found to be a self-assembled vesicle. AFM results showed that the fluorescence burst was extinguished by the addition of Fe3+, and the fluorescence was restored by the addition of cysteine. This is due to charge transfer within the molecular structure, resulting in the ICT effect and phototransfer of electrons (PET), as well as redshifting (from 331 nm to 351 nm) and quenching of the fluorescence. The self-assembled vesicles of the fluorescent sensor R-β-d-1 encapsulated Fe3+, but upon addition of cysteine, the vesicles of R-β-d-1-Fe3+ were also complexed with it, forming the R-β-d-1-Fe3+-l-Cys complex, at which point fluorescence gradually returned. Therefore, the fluorescence test of this probe showed that the lowest detection limit of iron ions was 1.67 × 10-7 mol L-1, and its complexation mode was in the form of 1 + 1. The novel probe formed by R-β-d-1-Fe3+ can be used for the fluorescence detection of cysteine.
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Affiliation(s)
- Jisheng Tao
- Jiangxi Key Laboratory of Organic Chemistry, Jiangxi Science and Technology Normal University Nanchang 330013 China
| | - Huizhen Wang
- Jiangxi Key Laboratory of Organic Chemistry, Jiangxi Science and Technology Normal University Nanchang 330013 China
| | - Yue Sun
- College of Chemistry, Nanchang University Nanchang China
| | - Xiaoxia Sun
- Jiangxi Key Laboratory of Organic Chemistry, Jiangxi Science and Technology Normal University Nanchang 330013 China
| | - Yu Hu
- College of Chemistry, Nanchang University Nanchang China
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26
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Ding L, Zhao Y, Lu H, Shi Z, Wang M. Nickel-Catalyzed Asymmetric Propargyl-Aryl Cross-Electrophile Coupling. Angew Chem Int Ed Engl 2024; 63:e202313655. [PMID: 37985415 DOI: 10.1002/anie.202313655] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2023] [Revised: 11/14/2023] [Accepted: 11/20/2023] [Indexed: 11/22/2023]
Abstract
Performing asymmetric cross-coupling reactions between propargylic electrophiles and aryl nucleophiles is a well-established method to build enantioenriched benzylic alkynes. Here, a catalytic enantioselective propargyl-aryl cross-coupling between two electrophiles was achieved for the first time in a stereoconvergent manner. Propargylic chlorides were treated with aryl iodides as well as heteroaryl iodides in the presence of a chiral nickel complex, and manganese metal was used as a stoichiometric reductant, allowing for the construction of a propargyl C-aryl bond under mild conditions. An alternative dual nickel/photoredox catalytic protocol was also developed for this cross-electrophile coupling in the absence of a metal reductant. The potential utility of this conversion is demonstrated in the facile construction of stereoenriched bioactive molecule derivatives and medicinal compounds based on the diversity of acetylenic chemistry. Detailed experimental studies have revealed the key mechanistic features of this transformation.
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Affiliation(s)
- Linlin Ding
- State Key Laboratory of Coordination Chemistry, Chemistry and Biomedicine Innovation Center (ChemBIC), School of Chemistry and Chemical Engineering, Nanjing University, Nanjing, 210023, China
| | - Yue Zhao
- State Key Laboratory of Coordination Chemistry, Chemistry and Biomedicine Innovation Center (ChemBIC), School of Chemistry and Chemical Engineering, Nanjing University, Nanjing, 210023, China
| | - Hongjian Lu
- State Key Laboratory of Coordination Chemistry, Chemistry and Biomedicine Innovation Center (ChemBIC), School of Chemistry and Chemical Engineering, Nanjing University, Nanjing, 210023, China
| | - Zhuangzhi Shi
- State Key Laboratory of Coordination Chemistry, Chemistry and Biomedicine Innovation Center (ChemBIC), School of Chemistry and Chemical Engineering, Nanjing University, Nanjing, 210023, China
| | - Minyan Wang
- State Key Laboratory of Coordination Chemistry, Chemistry and Biomedicine Innovation Center (ChemBIC), School of Chemistry and Chemical Engineering, Nanjing University, Nanjing, 210023, China
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27
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Maddeshiya T, Jaiswal MK, Tamrakar A, Mishra G, Awasthi C, Pandey MD. Pyrene Appendant Triazole-based Chemosensors for Sensing Applications. Curr Org Synth 2024; 21:421-435. [PMID: 37345247 DOI: 10.2174/1570179420666230621124119] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2022] [Revised: 03/20/2023] [Accepted: 03/31/2023] [Indexed: 06/23/2023]
Abstract
Over the last two decades, the design and development of fluorescent chemosensors for the targeted detection of Heavy Transition-metal (HTM) ions, anions, and biological analytes, have drawn much interest. Since the introduction of click chemistry in 2001, triazole moieties have become an increasingly prominent theme in chemosensors. Triazoles generated via click reactions are crucial for sensing various ions and biological analytes. Recently, the number of studies in the field of pyrene appendant triazole moieties has risen dramatically, with more sophisticated and reliable triazole-containing chemosensors for various analytes of interest described. This tutorial review provides a general overview of pyrene appendant-triazole-based chemosensors that can detect a variety of metal cations, anions, and neutral analytes by using modular click-derived triazoles.
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Affiliation(s)
- Tarkeshwar Maddeshiya
- Department of Chemistry, Institute of Science, Banaras Hindu University, Varanasi, 221005, India
| | - Manoj K Jaiswal
- Department of Chemistry, Institute of Science, Banaras Hindu University, Varanasi, 221005, India
| | - Arpna Tamrakar
- Department of Chemistry, Institute of Science, Banaras Hindu University, Varanasi, 221005, India
| | - Gargi Mishra
- Department of Chemistry, Institute of Science, Banaras Hindu University, Varanasi, 221005, India
| | - Chhama Awasthi
- Department of Science and Technology, Technology Bhavan, New Mehrauli Road, New Delhi, 110016, India
| | - Mrituanjay D Pandey
- Department of Chemistry, Institute of Science, Banaras Hindu University, Varanasi, 221005, India
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28
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Jaiswal MK, Gupta A, Ansari FJ, Pandey VK, Tiwari VK. Recent Progress on Synthesis of Functionalized 1,5-Disubstituted Triazoles. Curr Org Synth 2024; 21:513-558. [PMID: 38804327 DOI: 10.2174/1570179420666230418123350] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/28/2022] [Revised: 12/13/2022] [Accepted: 01/12/2023] [Indexed: 05/29/2024]
Abstract
Immediately after the invention of 'Click Chemistry' in 2002, the regioselective 1,2,3- triazole scaffolds resulted from respective organic azides and terminal alkynes under Cu(I) catalysis have been well recognized as the functional heterocyclic core at the centre of modern organic chemistry, medicinal chemistry, and material sciences. This CuAAC reaction has several notable features including excellent regioselectivity, high-to-excellent yields, easy to execute, short reaction time, modular in nature, mild condition, readily available starting materials, etc. Moreover, the resulting regioselective triazoles can serve as amide bond isosteres, a privileged functional group in drug discovery and development. More than hundreds of reviews had been devoted to the 'Click Chemistry' in special reference to 1,4-disubstituted triazoles, while only little efforts were made for an opposite regioisomer i.e., 1,5-disubstituted triazole. Herein, we have presented various classical approaches for an expeditious synthesis of a wide range of biologically relevant 1,5- disubstituted 1,2,3-triazole analogues. The syntheses of such a class of diversly functionalized triazoles have emerged as a crucial investigation in the domain of chemistry and biology. This tutorial review covers the literature assessment on the development of various synthetic protocols for the functionalized 1,5-disubstituted triazoles reported during the last 12 years.
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Affiliation(s)
- Manoj K Jaiswal
- Department of Chemistry, Institute of Science, Banaras Hindu University, Varanasi, 221005, India
| | - Abhishek Gupta
- Department of Chemistry, Institute of Science, Banaras Hindu University, Varanasi, 221005, India
| | - Faisal J Ansari
- Department of Chemistry, Institute of Science, Banaras Hindu University, Varanasi, 221005, India
| | - Vinay K Pandey
- Department of Chemistry, Institute of Science, Banaras Hindu University, Varanasi, 221005, India
| | - Vinod K Tiwari
- Department of Chemistry, Institute of Science, Banaras Hindu University, Varanasi, 221005, India
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29
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Rastogi SK, Ciliberto VC, Trevino MZ, Campbell BA, Brittain WJ. Green Approach Toward Triazole Forming Reactions for Developing Anticancer Drugs. Curr Org Synth 2024; 21:380-420. [PMID: 37157212 DOI: 10.2174/1570179420666230508125144] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2022] [Revised: 03/01/2023] [Accepted: 03/15/2023] [Indexed: 05/10/2023]
Abstract
Compounds containing triazole have many significant applications in the dye and ink industry, corrosion inhibitors, polymers, and pharmaceutical industries. These compounds possess many antimicrobial, antioxidant, anticancer, antiviral, anti-HIV, antitubercular, and anticancer activities. Several synthetic methods have been reported for reducing time, minimizing synthetic steps, and utilizing less hazardous and toxic solvents and reagents to improve the yield of triazoles and their analogues synthesis. Among the improvement in methods, green approaches towards triazole forming biologically active compounds, especially anticancer compounds, would be very important for pharmaceutical industries as well as global research community. In this article, we have reviewed the last five years of green chemistry approaches on click reaction between alkyl azide and alkynes to install 1,2,3-triazole moiety in natural products and synthetic drug-like molecules, such as in colchicine, flavanone cardanol, bisphosphonates, thiabendazoles, piperazine, prostanoid, flavonoid, quinoxalines, C-azanucleoside, dibenzylamine, and aryl-azotriazole. The cytotoxicity of triazole hybrid analogues was evaluated against a panel of cancer cell lines, including multidrug-resistant cell lines.
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Affiliation(s)
- Shiva K Rastogi
- Department of Chemistry and Biochemistry, Texas State University, 601 University Drive, San Marcos, TX, 78666, USA
| | - Veronica C Ciliberto
- Department of Chemistry and Biochemistry, Texas State University, 601 University Drive, San Marcos, TX, 78666, USA
| | - Monica Z Trevino
- Department of Chemistry and Biochemistry, Texas State University, 601 University Drive, San Marcos, TX, 78666, USA
| | - Brooke A Campbell
- Department of Chemistry and Biochemistry, Texas State University, 601 University Drive, San Marcos, TX, 78666, USA
| | - William J Brittain
- Department of Chemistry and Biochemistry, Texas State University, 601 University Drive, San Marcos, TX, 78666, USA
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30
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Tashrifi Z, Khanaposhtani MM, Bahadorikhalili S, Larijani B, Mahdavi M. Intramolecular Click Cycloaddition Reactions: Synthesis of 1,2,3-Triazoles. Curr Org Synth 2024; 21:166-194. [PMID: 37026493 DOI: 10.2174/1570179420666230407103320] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/21/2022] [Revised: 01/19/2023] [Accepted: 02/01/2023] [Indexed: 04/08/2023]
Abstract
Click Chemistry, as a powerful tool, has been used for the synthesis of a variety of 1,2,3-triazoles. Among click cycloaddition reactions, intramolecular click reactions carried out in azido-alkyne precursors has not been thoroughly reviewed. Hence, in this review, we have summarized and categorised the recent literature (from 2012 on) based on the azidoalkynyl precursor's type and a brief and concise description of the involved mechanisms is presented. Accordingly, we have classified the relevant literature into three categories: (1) substitution precursors (2) addition and (3) multi-component reaction (MCR) products.
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Affiliation(s)
- Zahra Tashrifi
- Endocrinology and Metabolism Research Center, Endocrinology and Metabolism Clinical Sciences Institute, Tehran University of Medical Sciences, Tehran, Iran
| | | | - Saeed Bahadorikhalili
- Department of Electronic Engineering, Universitat Rovira i Virgili, 43007 Tarragona, Spain
| | - Bagher Larijani
- Endocrinology and Metabolism Research Center, Endocrinology and Metabolism Clinical Sciences Institute, Tehran University of Medical Sciences, Tehran, Iran
| | - Mohammad Mahdavi
- Endocrinology and Metabolism Research Center, Endocrinology and Metabolism Clinical Sciences Institute, Tehran University of Medical Sciences, Tehran, Iran
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31
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Tan Y, Xiang H, Jin J, He X, Li S, Ye Y. Oxidation/Alkylation of Amino Acids with α-Bromo Carbonyls Catalyzed by Copper and Quick Access to HDAC Inhibitor. J Org Chem 2023; 88:17398-17408. [PMID: 38037667 DOI: 10.1021/acs.joc.3c02218] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/02/2023]
Abstract
A facile and efficient method was reported for Cu-catalyzed selective α-alkylation processes of amino acids/peptides and α-bromo esters/ketones through a radical-radical coupling pathway. The reaction displays an excellent functional group tolerance and broad substrate scope, allowing access to desired products in moderate to excellent yields. Notably, this method is distinguished by site-specificity and exhibits total selectivity for aryl glycine motifs over other amino acid units. Furthermore, the practicality of this strategy is certified by the efficient synthesis of the novel SAHA phenylalanine-containing analogue (SPACA).
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Affiliation(s)
- Yuqiong Tan
- School of Pharmacy, Hangzhou Normal University, Hangzhou, Zhejiang 311121, P. R. China
| | - Huan Xiang
- School of Pharmacy, Hangzhou Normal University, Hangzhou, Zhejiang 311121, P. R. China
| | - Jiayan Jin
- School of Pharmacy, Hangzhou Normal University, Hangzhou, Zhejiang 311121, P. R. China
| | - Xingrui He
- School of Pharmacy, Hangzhou Normal University, Hangzhou, Zhejiang 311121, P. R. China
| | - Shijun Li
- College of Material, Chemistry and Chemical Engineering, Hangzhou Normal University, Hangzhou 311121, P. R. China
| | - Yang Ye
- School of Pharmacy, Hangzhou Normal University, Hangzhou, Zhejiang 311121, P. R. China
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32
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Jaiswal MK, Tiwari VK. Growing Impact of Intramolecular Click Chemistry in Organic Synthesis. CHEM REC 2023; 23:e202300167. [PMID: 37522634 DOI: 10.1002/tcr.202300167] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2023] [Revised: 07/11/2023] [Indexed: 08/01/2023]
Abstract
Click Chemistry, a modular, rapid, and one of the most reliable tool for the regioselective 1,2,3-triazole forming [3+2] reaction of organic azide and terimal alkyne is widely explored in various emerging domains of research ranging from chemical biology to catalysis and medicinal chemistry to material science. This regioselective reaction from a diverse range of azido-alkyne scaffolds has been well performed in both intermolecular as well as intramolecular fashions. In comparison to the intermolecular metal (Cu/Ru/Ni) variant of 'Click Chemistry', the intramolecular click tool is little addressed. The intramolecular click chemistry is exemplified as a mordern tool of cyclization which involves metal-catalyzed (CuAAC/RuAAC) cyclization, organo-catalyzed cyclization, and thermal-induced topochemical reaction. Thus, we report herein the recent approaches on intramolecular azide-alkyne cycloaddition 'Click Chemistry' with their wide-spread emerging applications in the developement of a diverse range of molecules including fused-heterocycles, well-defined peptidomemics, and macrocyclic architectures of various notable features.
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Affiliation(s)
- Manoj K Jaiswal
- Department of Chemistry, Institute of Science, Banaras Hindu University, Varanasi, 221005, India
| | - Vinod K Tiwari
- Department of Chemistry, Institute of Science, Banaras Hindu University, Varanasi, 221005, India
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33
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Kotik M, Kulik N, Valentová K. Flavonoids as Aglycones in Retaining Glycosidase-Catalyzed Reactions: Prospects for Green Chemistry. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2023; 71:14890-14910. [PMID: 37800688 PMCID: PMC10591481 DOI: 10.1021/acs.jafc.3c04389] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/28/2023] [Revised: 08/30/2023] [Accepted: 09/18/2023] [Indexed: 10/07/2023]
Abstract
Flavonoids and their glycosides are abundant in many plant-based foods. The (de)glycosylation of flavonoids by retaining glycoside hydrolases has recently attracted much interest in basic and applied research, including the possibility of altering the glycosylation pattern of flavonoids. Research in this area is driven by significant differences in physicochemical, organoleptic, and bioactive properties between flavonoid aglycones and their glycosylated counterparts. While many flavonoid glycosides are present in nature at low levels, some occur in substantial quantities, making them readily available low-cost glycosyl donors for transglycosylations. Retaining glycosidases can be used to synthesize natural and novel glycosides, which serve as standards for bioactivity experiments and analyses, using flavonoid glycosides as glycosyl donors. Engineered glycosidases also prove valuable for the synthesis of flavonoid glycosides using chemically synthesized activated glycosyl donors. This review outlines the bioactivities of flavonoids and their glycosides and highlights the applications of retaining glycosidases in the context of flavonoid glycosides, acting as substrates, products, or glycosyl donors in deglycosylation or transglycosylation reactions.
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Affiliation(s)
- Michael Kotik
- Institute of Microbiology, Czech Academy of Sciences, Vídeňská 1083, CZ-14200 Prague 4, Czech Republic
| | - Natalia Kulik
- Institute of Microbiology, Czech Academy of Sciences, Vídeňská 1083, CZ-14200 Prague 4, Czech Republic
| | - Kateřina Valentová
- Institute of Microbiology, Czech Academy of Sciences, Vídeňská 1083, CZ-14200 Prague 4, Czech Republic
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34
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Guo H, Zhou B, Chang J, Chang W, Feng J, Zhang Z. Multicomponent cyclization with azides to synthesize N-heterocycles. Org Biomol Chem 2023; 21:8054-8074. [PMID: 37801029 DOI: 10.1039/d3ob01115a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/07/2023]
Abstract
Heterocyclic compounds, both naturally derived and synthetically produced, constitute a wide variety of biologically active and industrially important compounds. The synthesis and application of heterocyclic compounds have garnered significant attention and experienced rapid growth in recent decades. Organic azides, due to their unique properties and distinctive reactivity, have become a convenient chemical tool for achieving a wide range of heterocycles such as triazoles and tetrazoles. Importantly, the field of multicomponent reaction (MCR) chemistry provides a convergent approach to access various N-heterocyclic scaffolds, offering novelty, diversity, and complexity. However, the exploration of MCR pathways to N-heterocyclic compounds remains incomplete. Here, we review the use of multicomponent reactions for the preparation of N-heterocycles. A wide range of reactions based on azides for the synthesis of various types of N-heterocyclic systems have been developed.
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Affiliation(s)
- Hong Guo
- College of Science, China Agricultural University, Beijing 100193, China.
| | - Bei Zhou
- College of Science, China Agricultural University, Beijing 100193, China.
| | - Jingjing Chang
- College of Science, China Agricultural University, Beijing 100193, China.
| | - Wenxu Chang
- College of Science, China Agricultural University, Beijing 100193, China.
| | - Jiyao Feng
- College of Science, China Agricultural University, Beijing 100193, China.
| | - Zhenhua Zhang
- College of Science, China Agricultural University, Beijing 100193, China.
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35
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Yu S, Zhang J, Hu Y, Li L, Kong J, Zhang X. Ultrasensitive detection of miRNA-21 by click chemistry and fluorescein-mediated photo-ATRP signal amplification. Anal Chim Acta 2023; 1277:341661. [PMID: 37604612 DOI: 10.1016/j.aca.2023.341661] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2023] [Revised: 07/03/2023] [Accepted: 07/25/2023] [Indexed: 08/23/2023]
Abstract
The development of a convenient and efficient assay using miRNA-21 as a lung cancer marker is of great importance for the early prevention of cancer. Herein, an electrochemical biosensor for the detection of miRNA-21 was successfully fabricated under blue light excitation using click chemistry and photocatalytic atom transfer radical polymerization (photo-ATRP). By using hairpin DNA as a recognition probe, the electrochemical sensor deposits numerous electroactive monomers (ferrocenylmethyl methacrylate) on the electrode surface under the reaction of photocatalyst (fluorescein) and pentamethyldiethylenetriamine, thereby achieving signal amplification. This biosensor is sensitive, precise and selective for miRNA-21, and is highly specific for RNAs with different base mismatches. Under optimal conditions, the biosensor showed a linear relationship in the range of 10 fM ∼1 nM (R2 = 0.995), with a detection limit of 1.35 fM. Furthermore, the biosensor exhibits anti-interference performance when analyzing RNAs in serum samples. The biosensor is based on green chemistry and has the advantages of low cost, specificity and anti-interference ability, providing economic benefits while achieving detection objectives, which makes it highly promising for the analysis of complex samples.
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Affiliation(s)
- Shuaibing Yu
- School of Environmental and Biological Engineering, Nanjing University of Science and Technology, Nanjing, 210094, PR China
| | - Jian Zhang
- Nanjing Lishui District Hospital of Traditional Chinese Medicine, Nanjing, 211200, PR China; Affiliated Hospital of Integrated Traditional Chinese and Western Medicine, Nanjing University of Chinese Medicine, Nanjing, 210028, PR China
| | - Yaodong Hu
- School of Environmental and Biological Engineering, Nanjing University of Science and Technology, Nanjing, 210094, PR China
| | - Lianzhi Li
- School of Chemistry and Chemical Engineering, Liaocheng University, Liaocheng, 252059, PR China
| | - Jinming Kong
- School of Environmental and Biological Engineering, Nanjing University of Science and Technology, Nanjing, 210094, PR China.
| | - Xueji Zhang
- School of Biomedical Engineering, Shenzhen University Health Science Center, Shenzhen, Guangdong, 518060, PR China
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36
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Singh SK, Kumar S, Yadav MS, Gupta A, Tiwari VK. Triazole-Appended Glycohybrid/CuI-Catalyzed C-C Cross-Coupling of Aryl/Heteroaryl Halides with Alkynyl Sugars. J Org Chem 2023; 88:13440-13453. [PMID: 37747895 DOI: 10.1021/acs.joc.3c00712] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/27/2023]
Abstract
This report describes a convenient method for the Cu(I)-catalyzed Sonogashira cross-coupling reaction of aryl/heteroaryl halides and alkynyl sugars in the presence of a 1,2,3-triazole-appended glycohybrid as a biocompatible ligand. The Sonogashira cross-coupling products were exclusively formed without the Glaser-Hay homocoupling reaction in the presence of a glycosyl monotriazolyl ligand at 120 °C. However, the Glaser-Hay homocoupling products were obtained at 60-70 °C in the presence of bis-triazolyl-based macrocyclic glycohybrid ligand L8. The glycosyl triazole ligands were synthesized via the CuI/DIPEA-mediated regioselective CuAAC click reaction, and a series of glycohybrids of glucose, mannose, and galactose alkynes including glycosyl rods were developed in good yields. The developed glycohybrids have been well characterized by various spectroscopic techniques, such as nuclear magnetic resonance, high-resolution mass spectrometry, and single-crystal X-ray data of L3. The protocol works well with the heteroaryl and naphthyl halides, and the mechanistic approach leads to CuI/ligand-assisted oxidative coupling. The coupling protocol has notable features, including low catalytic loading, cost-effectiveness, biocompatible nature, and a wide substrate scope.
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Affiliation(s)
- Sumit K Singh
- Department of Chemistry, Institute of Science, Banaras Hindu University, Varanasi, U.P. 221005, India
| | - Sunil Kumar
- Department of Chemistry, Institute of Science, Banaras Hindu University, Varanasi, U.P. 221005, India
| | - Mangal S Yadav
- Department of Chemistry, Institute of Science, Banaras Hindu University, Varanasi, U.P. 221005, India
| | - Abhishek Gupta
- Department of Chemistry, Institute of Science, Banaras Hindu University, Varanasi, U.P. 221005, India
| | - Vinod K Tiwari
- Department of Chemistry, Institute of Science, Banaras Hindu University, Varanasi, U.P. 221005, India
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37
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Jaiswal MK, Gupta A, Yadav MS, Pandey VK, Tiwari VK. Organocatalyzed Regioselective Synthesis of 1,5-Disubstituted 1,2,3-Triazolyl Glycoconjugates. Chemistry 2023; 29:e202301749. [PMID: 37432103 DOI: 10.1002/chem.202301749] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2023] [Revised: 07/01/2023] [Accepted: 07/11/2023] [Indexed: 07/12/2023]
Abstract
A novel organocatalyzed [3+2] cycloaddition reaction of nitroolefins with glycosyl azides as well as organic azides has been developed for successful construction of 1,5-disubstituted triazolyl glycoconjugates. This metal-free and acid-free, regioselective synthetic protocol proceeds in the presence of only Schreiner thiourea organocatalysts, which enable the required activation of nitroolefins through double hydrogen bonding. The straightforward, operationally simple, and regioselectivity of this methodology, complementing to the classical RuAAC catalyzed synthesis of 1,5-disubstituted 1,2,3-triazoles. In the presence of catalytic amount of Schreiner thiourea organocatalyst, organic azides react with a broad array of nitroolefins producing a series of diverse 1,5-disubstituted 1,2,3- triazoles in good yields with excellent regioselectivity.
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Affiliation(s)
- Manoj K Jaiswal
- Department of Chemistry, Institute of Science, Banaras Hindu University, Varanasi, 221005, India
| | - Abhishek Gupta
- Department of Chemistry, Institute of Science, Banaras Hindu University, Varanasi, 221005, India
| | - Mangal S Yadav
- Department of Chemistry, Institute of Science, Banaras Hindu University, Varanasi, 221005, India
| | - Vinay K Pandey
- Department of Chemistry, Institute of Science, Banaras Hindu University, Varanasi, 221005, India
| | - Vinod K Tiwari
- Department of Chemistry, Institute of Science, Banaras Hindu University, Varanasi, 221005, India
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38
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Ricardo MG, Seeberger PH. Merging Solid-Phase Peptide Synthesis and Automated Glycan Assembly to Prepare Lipid-Peptide-Glycan Chimeras. Chemistry 2023; 29:e202301678. [PMID: 37358020 DOI: 10.1002/chem.202301678] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2023] [Revised: 06/24/2023] [Accepted: 06/26/2023] [Indexed: 06/27/2023]
Abstract
Biomaterials with improved biological features can be obtained by conjugating glycans to nanostructured peptides. Creating peptide-glycan chimeras requires superb chemoselectivity. We expedite access to such chimeras by merging peptide and glycan solid-phase syntheses employing a bifunctional monosaccharide. The concept was explored in the context of the on-resin generation of a model α(1→6)tetramannoside linked to peptides, lipids, steroids, and adamantane. Chimeras containing a β(1→6)tetraglucoside and self-assembling peptides such as FF, FFKLVFF, and the amphiphile palmitoyl-VVVAAAKKK were prepared in a fully automated manner. The robust synthetic protocol requires a single purification step to obtain overall yields of about 20 %. The β(1→6)tetraglucoside FFKLVFF chimera produces micelles rather than nanofibers formed by the peptide alone as judged by microscopy and circular dichroism. The peptide amphiphile-glycan chimera forms a disperse fiber network, creating opportunities for new glycan-based nanomaterials.
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Affiliation(s)
- Manuel G Ricardo
- Department of Biomolecular Systems, Max-Planck-Institute of Colloids and Interfaces, Am Muehlenberg 1, 14476, Potsdam, Germany
| | - Peter H Seeberger
- Department of Biomolecular Systems, Max-Planck-Institute of Colloids and Interfaces, Am Muehlenberg 1, 14476, Potsdam, Germany
- Institute of Chemistry and Biochemistry, Freie Universitaet Berlin, Arnimallee 22, 14195, Berlin, Germany
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39
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Reissig HU, Yu F. One-pot nucleophilic substitution-double click reactions of biazides leading to functionalized bis(1,2,3-triazole) derivatives. Beilstein J Org Chem 2023; 19:1399-1407. [PMID: 37767336 PMCID: PMC10520474 DOI: 10.3762/bjoc.19.101] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2023] [Accepted: 09/04/2023] [Indexed: 09/29/2023] Open
Abstract
The nucleophilic substitution of benzylic bromides with sodium azide was combined with a subsequent copper-catalyzed (3 + 2) cycloaddition with terminal alkynes. This one-pot process was developed with a simple model alkyne, but then applied to more complex alkynes bearing enantiopure 1,2-oxazinyl substituents. Hence, the precursor compounds 1,2-, 1,3- or 1,4-bis(bromomethyl)benzene furnished geometrically differing bis(1,2,3-triazole) derivatives. The use of tris[(1-benzyl-1H-1,2,3-triazol-4-yl)methyl]amine (TBTA) as ligand for the click step turned out to be very advantageous. The compounds with 1,2-oxazinyl end groups can potentially serve as precursors of divalent carbohydrate mimetics, but the reductive cleavage of the 1,2-oxazine rings to aminopyran moieties did not proceed cleanly with these compounds.
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Affiliation(s)
- Hans-Ulrich Reissig
- Institut für Chemie und Biochemie, Freie Universität Berlin, Takustrasse 3, D-14195 Berlin, Germany
| | - Fei Yu
- Institut für Chemie und Biochemie, Freie Universität Berlin, Takustrasse 3, D-14195 Berlin, Germany
- Asymchem Boston Corporation, 10 Gill Street, Woburn, Massachusetts, 01801, USA
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40
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Khaleghi N, Mojtabapour Z, Rashvandi Z, Mohammadi A, Forouzandeh-Malati M, Ganjali F, Zarei-Shokat S, Kashtiaray A, Taheri-Ledari R, Maleki A. Fast synthesis of [1,2,3]-triazole derivatives on a Fe/Cu-embedded nano-catalytic substrate. NANOSCALE ADVANCES 2023; 5:4911-4924. [PMID: 37705809 PMCID: PMC10496887 DOI: 10.1039/d3na00326d] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/14/2023] [Accepted: 08/06/2023] [Indexed: 09/15/2023]
Abstract
Triazoles are biologically important compounds that play a crucial role in biomedical applications. In this study, we present an innovative and eco-friendly nanocatalyst system for synthesizing compounds via the click reaction. The system is composed of Arabic gum (AG), iron oxide magnetic nanoparticles (Fe3O4 MNPs), (3-chloropropyl) trimethoxysilane (CPTMS), 2-aminopyridine (AP), and Cu(i) ions. Using AP as an anchor for Cu(i) ions and Fe3O4 MNPs allows facile separation using an external magnet. The hydrophilic nature of the Fe3O4@AG/AP-Cu(i) nanocomposite makes it highly efficient in water as a green solvent. The highest reaction efficiency (95.0%) was achieved in H2O solvent with 50.0 mg of nanocatalyst for 60 min at room temperature. The reaction yield remained consistent for six runs, demonstrating the stability and effectiveness of the catalyst.
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Affiliation(s)
- Nima Khaleghi
- Catalysts and Organic Synthesis Research Laboratory, Department of Chemistry, Iran University of Science and Technology Tehran 16846-13114 Iran +98 2173021584 +98 21 77240640-50
| | - Zahrasadat Mojtabapour
- Catalysts and Organic Synthesis Research Laboratory, Department of Chemistry, Iran University of Science and Technology Tehran 16846-13114 Iran +98 2173021584 +98 21 77240640-50
| | - Zahra Rashvandi
- Catalysts and Organic Synthesis Research Laboratory, Department of Chemistry, Iran University of Science and Technology Tehran 16846-13114 Iran +98 2173021584 +98 21 77240640-50
| | - Adibeh Mohammadi
- Catalysts and Organic Synthesis Research Laboratory, Department of Chemistry, Iran University of Science and Technology Tehran 16846-13114 Iran +98 2173021584 +98 21 77240640-50
| | - Mohadeseh Forouzandeh-Malati
- Catalysts and Organic Synthesis Research Laboratory, Department of Chemistry, Iran University of Science and Technology Tehran 16846-13114 Iran +98 2173021584 +98 21 77240640-50
| | - Fatemeh Ganjali
- Catalysts and Organic Synthesis Research Laboratory, Department of Chemistry, Iran University of Science and Technology Tehran 16846-13114 Iran +98 2173021584 +98 21 77240640-50
| | - Simindokht Zarei-Shokat
- Catalysts and Organic Synthesis Research Laboratory, Department of Chemistry, Iran University of Science and Technology Tehran 16846-13114 Iran +98 2173021584 +98 21 77240640-50
| | - Amir Kashtiaray
- Catalysts and Organic Synthesis Research Laboratory, Department of Chemistry, Iran University of Science and Technology Tehran 16846-13114 Iran +98 2173021584 +98 21 77240640-50
| | - Reza Taheri-Ledari
- Catalysts and Organic Synthesis Research Laboratory, Department of Chemistry, Iran University of Science and Technology Tehran 16846-13114 Iran +98 2173021584 +98 21 77240640-50
| | - Ali Maleki
- Catalysts and Organic Synthesis Research Laboratory, Department of Chemistry, Iran University of Science and Technology Tehran 16846-13114 Iran +98 2173021584 +98 21 77240640-50
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41
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Zhao H, Zhao Y. Engaging Isatins and Amino Acids in Multicomponent One-Pot 1,3-Dipolar Cycloaddition Reactions-Easy Access to Structural Diversity. Molecules 2023; 28:6488. [PMID: 37764264 PMCID: PMC10536439 DOI: 10.3390/molecules28186488] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2023] [Revised: 08/28/2023] [Accepted: 09/01/2023] [Indexed: 09/29/2023] Open
Abstract
Multicomponent reactions (MCRs) have undoubtedly emerged as the most indispensable tool for organic chemists worldwide, finding extensive utility in the synthesis of intricate natural products, heterocyclic molecules with significant bioactivity, and pharmaceutical agents. The multicomponent one-pot 1,3-dipolar cycloaddition reactions, which were initially conceptualized by Rolf Huisgen in 1960, find extensive application in contemporary heterocyclic chemistry. In terms of green synthesis, the multicomponent 1,3-dipolar cycloaddition is highly favored owing to its numerous advantages, including high step- and atom-economies, remarkable product diversity, as well as excellent efficiency and diastereoselectivity. Among the numerous pieces of research, the most fascinating reaction involves the utilization of azomethine ylides generated from isatins and amino acids that can be captured by various dipolarophiles. This approach offers a highly efficient and convenient method for constructing spiro-pyrrolidine oxindole scaffolds, which are crucial building blocks in biologically active molecules. Consequently, this review delves deeper into the dipolarophiles utilized in the 1,3-dipolar cycloaddition of isatins and amino acids over the past six years.
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Affiliation(s)
- Hua Zhao
- Institute of Drug Discovery Technology, Qian Xuesen Collaborative Research Center of Astrochemistry and Space Life Sciences, Ningbo University, Ningbo 315211, China
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42
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Esfandiari M, Mohammadnezhad G, Akintola O, Otto F, Fritz T, Plass W. Sustainable catalysts for efficient triazole synthesis: an immobilized triazine-based copper-NNN pincer complex on TiO 2. Dalton Trans 2023; 52:11875-11885. [PMID: 37560800 DOI: 10.1039/d3dt02118a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/11/2023]
Abstract
The multistep synthesis of a hybrid material based on a TiO2 core with an immobilized triazine-based copper(II)-NNN pincer complex is reported. The formation of the material was confirmed by FT-IR spectroscopy and elemental and thermogravimetric analyses, and the loading by copper ions was quantified by ICP/OES analysis. The properties of the hybrid material were further investigated by X-ray photoelectron spectroscopy (XPS), contiuous wave electron spin resonance (CW-ESR), UV-vis spectroscopy, and argon sorption. Efficient and regioselective synthesis of 1,4-disubstituted 1,2,3-triazoles was achieved by employing the hybrid material as a catalyst in a mixture of H2O/EtOH as a green solvent with excellent catalytic activity with a TOF up to 495 h-1 at 50 °C. The reusability of the prepared hybrid material in the catalytic reaction was possible over five consecutive runs without significant loss of catalytic activity. The described method represents an effective way to ensure sustainable use of pincer complexes in catalytic systems by immobilizing them on solid supports, resulting in a hybrid organic-inorganic catalyst platform.
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Affiliation(s)
- Mitra Esfandiari
- Department of Chemistry, Isfahan University of Technology, Isfahan 84156-83111, Islamic Republic of Iran.
- Institut für Anorganische und Analytische Chemie, Friedrich-Schiller-Universität Jena, Humboldtstraße 8, 07743 Jena, Germany.
| | | | - Oluseun Akintola
- Institut für Anorganische und Analytische Chemie, Friedrich-Schiller-Universität Jena, Humboldtstraße 8, 07743 Jena, Germany.
| | - Felix Otto
- Institute of Solid State Physics, Friedrich Schiller University Jena, Helmholtzweg 5, 07743 Jena, Germany
| | - Torsten Fritz
- Institute of Solid State Physics, Friedrich Schiller University Jena, Helmholtzweg 5, 07743 Jena, Germany
| | - Winfried Plass
- Institut für Anorganische und Analytische Chemie, Friedrich-Schiller-Universität Jena, Humboldtstraße 8, 07743 Jena, Germany.
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43
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Bietsch J, Chen A, Wang D, Wang G. Synthesis of a Series of Trimeric Branched Glycoconjugates and Their Applications for Supramolecular Gels and Catalysis. Molecules 2023; 28:6056. [PMID: 37630308 PMCID: PMC10459207 DOI: 10.3390/molecules28166056] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2023] [Revised: 07/28/2023] [Accepted: 07/31/2023] [Indexed: 08/27/2023] Open
Abstract
Carbohydrate-derived molecular gelators have found many practical applications as soft materials. To better understand the structure and molecular gelation relationship and further explore the applications of sugar-based gelators, we designed and synthesized eight trimeric branched sugar triazole derivatives and studied their self-assembling properties. These included glucose, glucosamine, galactose, and maltose derivatives. Interestingly, the gelation properties of these compounds exhibited correlations with the peripheral sugar structures. The maltose derivative did not form gels in the tested solvents, but all other compounds exhibited gelation properties in at least one of the solvents. Glucose derivatives showed superior performance, followed by glucosamine derivatives. They typically formed gels in toluene and alcohols; some formed gels in ethanol-water mixtures or DMSO water mixtures. The glycoclusters 9 and 10 demonstrated rate acceleration for the copper-catalyzed azide-alkyne cycloaddition (CuAAC) reactions. These were further studied for their metallogels formation properties, and the copper metallogels from compound 9 were successfully utilized to catalyze click reactions. These metallogels were able to form a gel column, which was effective in converting the reactants into the triazole products in multiple cycles. Moreover, the same gel column was used to transform a second click reaction using different reactants. The synthesis and characterization of these compounds and their applications for catalytic reactions were discussed.
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Affiliation(s)
| | | | | | - Guijun Wang
- Department of Chemistry and Biochemistry, Old Dominion University, Norfolk, VA 23529, USA; (J.B.); (A.C.); (D.W.)
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44
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Zhu L, Shen Y, Deng S, Wan Y, Luo J, Su Y, You M, Fan C, Ren K. Controllable mitochondrial aggregation and fusion by a programmable DNA binder. Chem Sci 2023; 14:8084-8094. [PMID: 37538820 PMCID: PMC10395312 DOI: 10.1039/d2sc07095b] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2022] [Accepted: 07/05/2023] [Indexed: 08/05/2023] Open
Abstract
DNA nanodevices have been feasibly applied for various chemo-biological applications, but their functions as precise regulators of intracellular organelles are still limited. Here, we report a synthetic DNA binder that can artificially induce mitochondrial aggregation and fusion in living cells. The rationally designed DNA binder consists of a long DNA chain, which is grafted with multiple mitochondria-targeting modules. Our results indicated that the DNA binder-induced in situ self-assembly of mitochondria can be used to successfully repair ROS-stressed neuron cells. Meanwhile, this DNA binder design is highly programmable. Customized molecular switches can be easily implanted to further achieve stimuli-triggered mitochondrial aggregation and fusion inside living cells. We believe this new type of DNA regulator system will become a powerful chemo-biological tool for subcellular manipulation and precision therapy.
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Affiliation(s)
- Longyi Zhu
- School of Chemistry and Chemical Engineering, Nanjing University of Science and Technology Nanjing 210094 China
| | - Yiting Shen
- School of Chemistry and Chemical Engineering, Nanjing University of Science and Technology Nanjing 210094 China
| | - Shengyuan Deng
- School of Environmental and Biological Engineering, Nanjing University of Science and Technology Nanjing 210094 China
| | - Ying Wan
- Intelligent Microsystem Technology and Engineering Center, School of Mechanical Engineering, Nanjing University of Science and Technology Nanjing 210094 China
| | - Jun Luo
- School of Chemistry and Chemical Engineering, Nanjing University of Science and Technology Nanjing 210094 China
| | - Yan Su
- Intelligent Microsystem Technology and Engineering Center, School of Mechanical Engineering, Nanjing University of Science and Technology Nanjing 210094 China
| | - Mingxu You
- Department of Chemistry, University of Massachusetts Amherst MA 01003 USA
| | - Chunhai Fan
- School of Chemistry and Chemical Engineering, Shanghai Jiao Tong University Shanghai 200127 China
| | - Kewei Ren
- School of Chemistry and Chemical Engineering, Nanjing University of Science and Technology Nanjing 210094 China
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45
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Bose P, Singh M, Singh AS, Jaiswal MK, Tiwari VK. Design, Synthesis, and Docking Study of Quinine-9-Triazolyl Conjugates. Chem Biodivers 2023; 20:e202300478. [PMID: 37410812 DOI: 10.1002/cbdv.202300478] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2023] [Revised: 07/06/2023] [Accepted: 07/06/2023] [Indexed: 07/08/2023]
Abstract
To develop a better chemotherapeutically potential candidate for lung cancer treatment and cure with repurposed motifs, quinine has been linked with biocompatible CuAAC-inspired regioselective 1,2,3-triazole linker and a series of ten novel 1,2,3-triazolyl-9-quinine conjugates have been developed by utilizing click conjugation of glycosyl ether alkynes with 9-epi-9-azido-9-deoxy-quinine under standard click conditions. In parallel, the docking study indicated that the resulting conjugates have an overall appreciable interaction with ALK-5 macromolecules. Moreover, the mannose-triazolyl conjugate exhibited the highest binding interactions of -7.6 kcal/mol with H-bond interaction with the targeted macromolecular system and indicate the hope for future trials for anti-lung cancer candidates.
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Affiliation(s)
- Priyanka Bose
- Department of Chemistry, Institute of Science, Banaras Hindu University, UP-221005, Varanasi, India
| | - Mala Singh
- Department of Chemistry, Institute of Science, Banaras Hindu University, UP-221005, Varanasi, India
| | - Anoop S Singh
- Department of Chemistry, Institute of Science, Banaras Hindu University, UP-221005, Varanasi, India
- Chemistry Innovation Research Center, Jubilant Biosys Ltd., 201310, Greater Noida, Uttar Pradesh, India
| | - Manoj K Jaiswal
- Department of Chemistry, Institute of Science, Banaras Hindu University, UP-221005, Varanasi, India
| | - Vinod K Tiwari
- Department of Chemistry, Institute of Science, Banaras Hindu University, UP-221005, Varanasi, India
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46
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Wei Q, Zhang Y, Lv C, Hu C, Su Z. Theoretical Study on Cooperation Catalysis of Chiral Guanidine/ Copper(I) in Asymmetric Azide-Alkyne Cycloaddition/[2 + 2] Cascade Reaction. J Org Chem 2023. [PMID: 37437267 DOI: 10.1021/acs.joc.3c00758] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/14/2023]
Abstract
Density functional theory (DFT) calculations with BP86-D3(BJ) functionals were employed to reveal the mechanism and stereoselectivity of chiral guanidine/copper(I) salt-catalyzed stereoselective three-component reaction among N-sulfonyl azide, terminal alkyne, and isatin-imine for spiroazetidinimines that was first reported by Feng and Liu (Angew. Chem. Int. Ed. 2018, 57, 16852-16856). For the noncatalytic cascade reaction, the denitrogenation to generate ketenimine species was the rate-determining step, with an activation barrier of 25.8-34.8 kcal mol-1. Chiral guanidine-amide promoted the deprotonation of phenylacetylene, generating guanidine-Cu(I) acetylide complexes as active species. In azide-alkyne cycloaddition, copper acetylene coordinated to the O atom of the amide moiety in guanidium, and TsN3 was activated by hydrogen bonding, affording the Cu(I)-ketenimine species with an energy barrier of 3.5∼9.4 kcal mol-1. The optically active spiroazetidinimine oxindole was constructed via a stepwise four-membered ring formation, followed by deprotonation of guanidium moieties for C-H bonding in a stereoselective way. The steric effect of the bulky CHPh2 group and chiral backbone in the guanidine, combined with the coordination between the Boc group in isatin-imine with a copper center, played important roles in controlling the stereoselectivity of the reaction. The major spiroazetidinimine oxindole product with an SS configuration was formed in a kinetically more favored way, which was consistent with the experimental observation.
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Affiliation(s)
- Qi Wei
- Key Laboratory of Green Chemistry and Technology, Ministry of Education, College of Chemistry, Sichuan University, Chengdu, Sichuan 610064, P. R. China
| | - Yan Zhang
- Key Laboratory of Green Chemistry and Technology, Ministry of Education, College of Chemistry, Sichuan University, Chengdu, Sichuan 610064, P. R. China
| | - Cidan Lv
- Key Laboratory of Green Chemistry and Technology, Ministry of Education, College of Chemistry, Sichuan University, Chengdu, Sichuan 610064, P. R. China
| | - Changwei Hu
- Key Laboratory of Green Chemistry and Technology, Ministry of Education, College of Chemistry, Sichuan University, Chengdu, Sichuan 610064, P. R. China
| | - Zhishan Su
- Key Laboratory of Green Chemistry and Technology, Ministry of Education, College of Chemistry, Sichuan University, Chengdu, Sichuan 610064, P. R. China
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47
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Geng ZQ, Zhao C, Qian HD, Li SJ, Peng H, Xu H. Cu/Ag-Mediated One-Pot Enantioselective Synthesis of Fully Decorated 1,2,3-Triazolo[1,5- a]pyrazines. Org Lett 2023. [PMID: 37294825 DOI: 10.1021/acs.orglett.3c01524] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
The synthesis of chiral triazole-fused pyrazine scaffolds from readily available substrates in a step-economical asymmetric catalytic way is highly appealing. We herein report that an efficient Cu/Ag relay catalyzed protocol employing cascade asymmetric propargylic amination, hydroazidation, and [3 + 2] cycloaddition reaction with high efficiency to access the target enantioenriched 1,2,3-triazolo[1,5-a]pyrazine has been accomplished by applying a novel N,N,P-ligand. The one-pot reaction of three components exhibits high functional group tolerance, excellent enantioselectivities, and a broad substrate scope with readily available starting materials.
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Affiliation(s)
- Zi-Qi Geng
- CCNU-uOttawa Joint Research Centre, Key Laboratory of Pesticides & Chemical Biology of Ministry of Education, International Joint Research Center for Intelligent Biosensing Technology and Health, College of Chemistry, Central China Normal University, 152 Luoyu Road, Wuhan 430079, P. R. China
| | - Chunhui Zhao
- CCNU-uOttawa Joint Research Centre, Key Laboratory of Pesticides & Chemical Biology of Ministry of Education, International Joint Research Center for Intelligent Biosensing Technology and Health, College of Chemistry, Central China Normal University, 152 Luoyu Road, Wuhan 430079, P. R. China
| | - Hao-Dong Qian
- CCNU-uOttawa Joint Research Centre, Key Laboratory of Pesticides & Chemical Biology of Ministry of Education, International Joint Research Center for Intelligent Biosensing Technology and Health, College of Chemistry, Central China Normal University, 152 Luoyu Road, Wuhan 430079, P. R. China
| | - Si-Jia Li
- CCNU-uOttawa Joint Research Centre, Key Laboratory of Pesticides & Chemical Biology of Ministry of Education, International Joint Research Center for Intelligent Biosensing Technology and Health, College of Chemistry, Central China Normal University, 152 Luoyu Road, Wuhan 430079, P. R. China
| | - Hao Peng
- CCNU-uOttawa Joint Research Centre, Key Laboratory of Pesticides & Chemical Biology of Ministry of Education, International Joint Research Center for Intelligent Biosensing Technology and Health, College of Chemistry, Central China Normal University, 152 Luoyu Road, Wuhan 430079, P. R. China
| | - Hao Xu
- CCNU-uOttawa Joint Research Centre, Key Laboratory of Pesticides & Chemical Biology of Ministry of Education, International Joint Research Center for Intelligent Biosensing Technology and Health, College of Chemistry, Central China Normal University, 152 Luoyu Road, Wuhan 430079, P. R. China
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48
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Kumar H, Dhameja M, Kurella S, Uma A, Gupta P. Synthesis of 1,2,3-triazole-1,3,4-thiadiazole hybrids as novel α-glucosidase inhibitors by in situ azidation/click assembly. Arch Pharm (Weinheim) 2023:e2300145. [PMID: 37236165 DOI: 10.1002/ardp.202300145] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2023] [Revised: 05/01/2023] [Accepted: 05/02/2023] [Indexed: 05/28/2023]
Abstract
α-Glucosidase inhibition is widely used in the oral management of diabetes mellitus (DM), a disease characterized by high blood sugar levels (hyperglycemia) and abnormal carbohydrate metabolism. In this respect, a series of 1,2,3-triazole-1,3,4-thiadiazole hybrids 7a-j were synthesized, inspired by a copper-catalyzed one-pot azidation/click assembly approach. All the synthesized hybrids were screened for inhibition of the α-glucosidase enzyme, displaying IC50 values ranging from 63.35 ± 0.72 to 613.57 ± 1.98 μM, as compared to acarbose (reference) with IC50 of 844.81 ± 0.53 μM. The hybrids 7h and 7e with 3-nitro and 4-methoxy substituents at the phenyl ring of the thiadiazole moiety were the best active hybrids of this series with IC50 values of 63.35 ± 0.72 μM, and 67.61 ± 0.64 μM, respectively. Enzyme kinetics analysis of these compounds revealed a mixed mode of inhibition. Moreover, molecular docking studies were also performed to gain insights into the structure-activity-relationships of the potent compounds and their corresponding analogs.
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Affiliation(s)
- Hariom Kumar
- Department of Chemistry, Babasaheb Bhimrao Ambedkar University, Lucknow, Uttar Pradesh, India
| | - Manoj Dhameja
- Department of Chemistry, Babasaheb Bhimrao Ambedkar University, Lucknow, Uttar Pradesh, India
| | - Sirisha Kurella
- Institute of Science and Technology, Jawaharlal Nehru Technological University, Kukatpally, Hyderabad, Telangana, India
| | - Adepally Uma
- Institute of Science and Technology, Jawaharlal Nehru Technological University, Kukatpally, Hyderabad, Telangana, India
| | - Preeti Gupta
- Department of Chemistry, Babasaheb Bhimrao Ambedkar University, Lucknow, Uttar Pradesh, India
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49
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Bose P, Agrahari AK, Singh R, Singh M, Kumar S, Singh RK, Tiwari VK. Click inspired synthesis of piperazine-triazolyl sugar-conjugates as potent anti-Hela activity. Carbohydr Res 2023; 529:108846. [PMID: 37245419 DOI: 10.1016/j.carres.2023.108846] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2023] [Revised: 04/06/2023] [Accepted: 05/16/2023] [Indexed: 05/30/2023]
Abstract
To imbibe the aim of synthesizing water-soluble and biocompatible motif, a click-inspired piperazine glycoconjugate has been devised up. In this report, we present a focused approach to design and synthesis of versatile sugar-appended triazoles through 'Click Chemistry' along with their pharmacological studies on cyclin-dependent kinases (CDKs) and cell cytotoxicity on cancer cells using in silico and in vitro approaches, respectively. The study has inclusively recognized the galactose- and mannose-derived piperazine conjugates as the promising motifs. The findings suggested that the galactosyl bis-triazolyl piperazine analogue 10b is the most CDK interactive derivative and also possess significant anticancer activity.
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Affiliation(s)
- Priyanka Bose
- Department of Chemistry, Institute of Science, Banaras Hindu University, Varanasi, UP, 221005, India
| | - Anand K Agrahari
- Department of Chemistry, Institute of Science, Banaras Hindu University, Varanasi, UP, 221005, India; Department of Chemistry, University of California, Davis, CA, 95616, USA
| | - Rajan Singh
- Department of Biochemistry, Institute of Science, Banaras Hindu University, Varanasi, UP, 221005, India
| | - Mala Singh
- Department of Chemistry, Institute of Science, Banaras Hindu University, Varanasi, UP, 221005, India
| | - Sunil Kumar
- Department of Chemistry, Institute of Science, Banaras Hindu University, Varanasi, UP, 221005, India
| | - Rakesh K Singh
- Department of Biochemistry, Institute of Science, Banaras Hindu University, Varanasi, UP, 221005, India
| | - Vinod K Tiwari
- Department of Chemistry, Institute of Science, Banaras Hindu University, Varanasi, UP, 221005, India.
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50
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Kim HS, Jang E, Kim HI, Hari Babu M, Lee JY, Kim SK, Sim J. Chemical Glycosylation with p-Methoxyphenyl (PMP) Glycosides via Oxidative Activation. Org Lett 2023; 25:3471-3475. [PMID: 37140886 DOI: 10.1021/acs.orglett.3c01050] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/05/2023]
Abstract
A novel persulfate-mediated oxidative glycosylation system using p-methoxyphenyl (PMP) glycosides as bench-stable glycosyl donors is developed. This study shows that both K2S2O8 as an oxidant and Hf(OTf)4 as a Lewis acid catalyst play important roles in the oxidative activation of the PMP group into a potential leaving group. This convenient glycosylation protocol proceeds under mild conditions and delivers a wide range of biologically and synthetically valuable glycoconjugates, including glycosyl fluorides.
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Affiliation(s)
- Hyun Su Kim
- College of Pharmacy, CHA University, 120 Haeryong-ro, Pocheon-si, Gyeonggi-do 11160, Republic of Korea
| | - Eunbin Jang
- College of Pharmacy, Chungnam National University, Daejeon 34134, Korea
| | - Hoe In Kim
- College of Pharmacy, Chungnam National University, Daejeon 34134, Korea
| | - Madala Hari Babu
- College of Pharmacy, Kyung Hee University, Seoul 02447, Republic of Korea
| | - Jae-Young Lee
- College of Pharmacy, Chungnam National University, Daejeon 34134, Korea
| | - Sang Kyum Kim
- College of Pharmacy, Chungnam National University, Daejeon 34134, Korea
| | - Jaehoon Sim
- College of Pharmacy, Kyung Hee University, Seoul 02447, Republic of Korea
- Department of Regulatory Science, Graduate School, Kyung Hee University, Seoul 02447, Republic of Korea
- Institute of Regulatory Innovation through Science, Kyung Hee University, Seoul 02447, Republic of Korea
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