1
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Xu Y, Zhang S, Huang D, Wu X. Reactions of alkynes with C-S bond formation: recent developments. Org Biomol Chem 2024; 22:6443-6484. [PMID: 39041389 DOI: 10.1039/d4ob00804a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/24/2024]
Abstract
Alkynes are important in organic synthesis. This review mainly focuses on recent advances (2013-2023) on alkynes with C-S bond formation, based on more than 30 types of sulfur reagents. The reactions of alkynes with various sulfur-containing compounds including RSSR (disulfides), RSH (thiols), S8 (elemental sulphur), alkynyl thioethers, RSCN, AgSCF3, K2S, Na2S, dithiane, RSCl, NFSI, RNCS, EtOCS2K, thiocarbamate, RSONH2, thiourea, sulfoxide, RSO2N3, CS2, RSO2NH2, RSO2NHNH2, RSO2Cl, RSO2Oar, RSO2SR', DABCO·(SO2)2, Na2S2O5, K2S2O5, RSO2H, RSO2Na and related compounds are discussed. Diverse mechanisms such as radical, electrophilic/nucleophilic addition, rearrangement, C-C bond cleavage, and CuAAC are discussed. The content is organized by substrates and reactivity patterns. We hope it will help in future research in this area.
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Affiliation(s)
- Yuemei Xu
- Department of Chemistry, Lishui University, No. 1, Xueyuan Road, Lishui City 323000, Zhejiang Province, P. R. China.
| | - Shujuan Zhang
- Department of Chemistry, Lishui University, No. 1, Xueyuan Road, Lishui City 323000, Zhejiang Province, P. R. China.
| | - Dayun Huang
- Department of Chemistry, Lishui University, No. 1, Xueyuan Road, Lishui City 323000, Zhejiang Province, P. R. China.
| | - Xiangmei Wu
- Department of Chemistry, Lishui University, No. 1, Xueyuan Road, Lishui City 323000, Zhejiang Province, P. R. China.
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2
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Kumar S, Shah BA. Synthesis of Diverse Allylic Sulfone Derivatives via Sequential Hydroalkoxylation of 1,3-Enynes. Chemistry 2024; 30:e202401049. [PMID: 38712686 DOI: 10.1002/chem.202401049] [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: 03/14/2024] [Revised: 04/29/2024] [Accepted: 05/07/2024] [Indexed: 05/08/2024]
Abstract
A first metal-free protocol for the synthesis of allylic sulfones featuring aldehyde functionality at the δ-position has been reported. The formation of structurally complex δ,δ-dimethoxy allylic sulfones is enabled by the direct nucleophilic attack of methoxide onto the sulfone-containing 1,3-enynes. The present approach allows facile installation of acetal groups within the allylic sulfone scaffold, providing versatile platforms for further functionalization and drug development.
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Affiliation(s)
- Sourav Kumar
- Natural Products & Medicinal Chemistry, Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, 201002, India
- CSIR-Indian Institute of Integrative Medicine, Jammu, 180001
| | - Bhahwal Ali Shah
- Natural Products & Medicinal Chemistry, Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, 201002, India
- CSIR-Indian Institute of Integrative Medicine, Jammu, 180001
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3
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Hai W, Liu Y, Tian Y, Chen Z, Chen Y, Bao W, Bai T, Liu J, Liu Y. In Situ Growth of Columnar PEG on PEDOT and Its Antifouling Properties. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2024; 40:14738-14747. [PMID: 38957955 DOI: 10.1021/acs.langmuir.4c02180] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 07/04/2024]
Abstract
The antifouling properties of conductive polymers have received extensive attention for biosensor and bioelectronic applications. Polyethylene glycol (PEG) is a well-known antifouling material, but the controlled regulation of the surface topography of PEG without a template remains a challenge. Here, we show a columnar structure antifouling conductive polymer brush with enhanced antifouling properties and considerable conductivity. The method involves synthesizing the 3,4-ethylenedioxythiophene monomer modified with azide (EDOT-N3), the electropolymerization of PEDOT-N3, and the in situ growth of PEG polymer brushes on PEDOT through double-click reactions. The resultant columnar structure polymer brush exhibits high electrical conductivity (3.5 Ω·cm2), ultrahigh antifouling property, electrochemical stability (capacitance retention was 93.8% after 2000 cycles of CV scans in serum), and biocompatibility.
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Affiliation(s)
- Wenfeng Hai
- Inner Mongolia Key Laboratory of Carbon Nanomaterials, College of Chemistry and Chemical Engineering, Inner Mongolia Minzu University, Tongliao 028000, Inner Mongolia, China
- Key Laboratory of Mongolian Medicine Research and Development Engineering, Ministry of Education, Tongliao 028000, Inner Mongolia, China
| | - Yang Liu
- Inner Mongolia Key Laboratory of Carbon Nanomaterials, College of Chemistry and Chemical Engineering, Inner Mongolia Minzu University, Tongliao 028000, Inner Mongolia, China
| | - YuJia Tian
- School of Medicine, Southeast University, Nanjing, Jiangsu Province 210000, China
| | - Zhiran Chen
- Inner Mongolia Key Laboratory of Carbon Nanomaterials, College of Chemistry and Chemical Engineering, Inner Mongolia Minzu University, Tongliao 028000, Inner Mongolia, China
| | - Yingsong Chen
- School of Mongolian Medicine, Inner Mongolia Minzu University, Tong Liao 028000, Inner Mongolia, China
| | - Wenji Bao
- Inner Mongolia Key Laboratory of Carbon Nanomaterials, College of Chemistry and Chemical Engineering, Inner Mongolia Minzu University, Tongliao 028000, Inner Mongolia, China
| | - Tingfang Bai
- Inner Mongolia Key Laboratory of Carbon Nanomaterials, College of Chemistry and Chemical Engineering, Inner Mongolia Minzu University, Tongliao 028000, Inner Mongolia, China
| | - Jinghai Liu
- Inner Mongolia Key Laboratory of Carbon Nanomaterials, College of Chemistry and Chemical Engineering, Inner Mongolia Minzu University, Tongliao 028000, Inner Mongolia, China
| | - Yushuang Liu
- Inner Mongolia Key Laboratory of Carbon Nanomaterials, College of Chemistry and Chemical Engineering, Inner Mongolia Minzu University, Tongliao 028000, Inner Mongolia, China
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4
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He B, Li Y, Li M, Kang M, Liu X, Huang J, Wang D, Lam JWY, Tang BZ. Pyridinium-Yne Click Polymerization: A Facile Strategy toward Functional Poly(Vinylpyridinium Salt)s with Multidrug-Resistant Bacteria Killing Ability. Angew Chem Int Ed Engl 2024; 63:e202405030. [PMID: 38695837 DOI: 10.1002/anie.202405030] [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: 03/13/2024] [Indexed: 06/11/2024]
Abstract
Polymeric materials with antibacterial properties hold great promise for combating multidrug-resistant bacteria, which pose a significant threat to public health. However, the synthesis of most antibacterial polymers typically involves complicated and time-consuming procedures. In this study, we demonstrate a simple and efficient strategy for synthesizing functional poly(vinylpyridinium salt)s via pyridinium-yne click polymerization. This click polymerization could proceed with high atom economy under mild conditions without any external catalyst, yielding soluble and thermally stable poly(vinylpyridinium salt)s with satisfactory molecular weights and well-defined structures in excellent yields. Additionally, the incorporation of luminescent units such as fluorene, tetraphenylethylene, and triphenylamine into the polymer backbone confers excellent aggregation-enhanced emission properties upon the resulting polymers, rendering them suitable for bacterial staining. Moreover, the existence of pyridinium salt imparts intrinsic antibacterial activity against multidrug-resistant bacteria to the polymers, enabling them to effectively inhibit wound bacterial infection and significantly expedite the healing process. This work not only provides an efficient method to prepare antibacterial polymers, but also opens up the possibility of various applications of polymers in healthcare and other antibacterial fields.
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Affiliation(s)
- Benzhao He
- Center for Advanced Materials Research, Instrumentation and Service Center for Science and Technology, Beijing Normal University, Zhuhai, 519085, China
- Guangdong Provincial Key Laboratory of Luminescence from Molecular Aggregates (South China University of Technology), Guangzhou, 510640, China
| | - Ying Li
- Innovation Research Center for AIE Pharmaceutical Biology, School of Pharmaceutical Sciences, Guangzhou Medical University, Guangzhou, 511436, China
| | - Meng Li
- Center for AIE Research, College of Materials Science and Engineering, Shenzhen University, Shenzhen, 518060, China
| | - Miaomiao Kang
- Center for AIE Research, College of Materials Science and Engineering, Shenzhen University, Shenzhen, 518060, China
| | - Xinyue Liu
- Department of Chemistry, The Hong Kong University of Science & Technology, Kowloon, Hong Kong, China
| | - Jiachang Huang
- Center for Advanced Materials Research, Instrumentation and Service Center for Science and Technology, Beijing Normal University, Zhuhai, 519085, China
- Center for AIE Research, College of Materials Science and Engineering, Shenzhen University, Shenzhen, 518060, China
| | - Dong Wang
- Center for AIE Research, College of Materials Science and Engineering, Shenzhen University, Shenzhen, 518060, China
| | - Jacky W Y Lam
- Department of Chemistry, The Hong Kong University of Science & Technology, Kowloon, Hong Kong, China
| | - Ben Zhong Tang
- Guangdong Provincial Key Laboratory of Luminescence from Molecular Aggregates (South China University of Technology), Guangzhou, 510640, China
- School of Science and Engineering, Shenzhen Institute of Aggregate Science and Technology, The Chinese University of Hong Kong, Shenzhen (CUHK-Shenzhen), Guangdong, 518172, China
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5
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Su YL, Xiong W, Yue L, Paul MK, Otte KS, Bacsa J, Qi HJ, Gutekunst WR. Michael Addition-Elimination Ring-Opening Polymerization. J Am Chem Soc 2024; 146:18074-18082. [PMID: 38906845 PMCID: PMC11228986 DOI: 10.1021/jacs.4c05054] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2024] [Revised: 06/07/2024] [Accepted: 06/11/2024] [Indexed: 06/23/2024]
Abstract
A cyclic thioenone system capable of controlled ring-opening polymerization (ROP) is presented that leverages a reversible Michael addition-elimination (MAE) mechanism. The cyclic thioenone monomers are easy to access and modify and for the first time incorporate the dynamic reversibility of MAE with chain-growth polymerization. This strategy features mild polymerization conditions, tunable functionalities, controlled molecular weights (Mn), and narrow dispersities. The obtained polythioenones exhibit excellent optical transparency and good mechanical properties and can be depolymerized to recover the original monomers. Density functional theory (DFT) calculations of model reactions offer insights into the role of monomer conformation in the polymerization process, as well as explaining divergent reactivity observed in seven-membered thiepane (TP) and eight-membered thiocane (TC) ring systems. Collectively, these findings demonstrate the feasibility of MAE mechanisms in ring-opening polymerization and provide important guidelines toward future monomer designs.
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Affiliation(s)
- Yong-Liang Su
- School
of Chemistry and Biochemistry, Georgia Institute
of Technology, Atlanta, Georgia 30332, United States
| | - Wei Xiong
- School
of Chemistry and Biochemistry, Georgia Institute
of Technology, Atlanta, Georgia 30332, United States
| | - Liang Yue
- School
of Mechanical Engineering, Georgia Institute
of Technology, Atlanta, Georgia 30332, United States
| | - Mckinley K. Paul
- School
of Chemistry and Biochemistry, Georgia Institute
of Technology, Atlanta, Georgia 30332, United States
| | - Kaitlyn S. Otte
- School
of Chemistry and Biochemistry, Georgia Institute
of Technology, Atlanta, Georgia 30332, United States
| | - John Bacsa
- Department
of Chemistry, Emory University, Atlanta, Georgia 30322, United States
| | - H. Jerry Qi
- School
of Mechanical Engineering, Georgia Institute
of Technology, Atlanta, Georgia 30332, United States
| | - Will R. Gutekunst
- School
of Chemistry and Biochemistry, Georgia Institute
of Technology, Atlanta, Georgia 30332, United States
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6
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Luu T, Gristwood K, Knight JC, Jörg M. Click Chemistry: Reaction Rates and Their Suitability for Biomedical Applications. Bioconjug Chem 2024; 35:715-731. [PMID: 38775705 PMCID: PMC11191409 DOI: 10.1021/acs.bioconjchem.4c00084] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2024] [Revised: 05/09/2024] [Accepted: 05/09/2024] [Indexed: 06/21/2024]
Abstract
Click chemistry has become a commonly used synthetic method due to the simplicity, efficiency, and high selectivity of this class of chemical reactions. Since their initial discovery, further click chemistry methods have been identified and added to the toolbox of click chemistry reactions for biomedical applications. However, selecting the most suitable reaction for a specific application is often challenging, as multiple factors must be considered, including selectivity, reactivity, biocompatibility, and stability. Thus, this review provides an overview of the benefits and limitations of well-established click chemistry reactions with a particular focus on the importance of considering reaction rates, an often overlooked criterion with little available guidance. The importance of understanding each click chemistry reaction beyond simply the reaction speed is discussed comprehensively with reference to recent biomedical research which utilized click chemistry. This review aims to provide a practical resource for researchers to guide the selection of click chemistry classes for different biomedical applications.
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Affiliation(s)
- Tracey Luu
- Medicinal
Chemistry Theme, Monash Institute of Pharmaceutical Sciences, Monash University, Parkville, Victoria 3052, Australia
| | - Katie Gristwood
- School
of Natural & Environmental Sciences, Newcastle University, Newcastle Upon Tyne NE1 7RU, U.K.
| | - James C. Knight
- School
of Natural & Environmental Sciences, Newcastle University, Newcastle Upon Tyne NE1 7RU, U.K.
| | - Manuela Jörg
- Medicinal
Chemistry Theme, Monash Institute of Pharmaceutical Sciences, Monash University, Parkville, Victoria 3052, Australia
- School
of Natural & Environmental Sciences, Newcastle University, Newcastle Upon Tyne NE1 7RU, U.K.
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7
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Tang L, Shen C, Hao S, Dong K. A Type of Chiral C 2-Symmetric Arylthiol Catalyst for Highly Enantioselective Anti-Markovnikov Hydroamination. J Am Chem Soc 2024; 146:16248-16256. [PMID: 38808533 DOI: 10.1021/jacs.4c04596] [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
The development of chiral hydrogen donor catalysts is fundamental in the expansion and innovation of asymmetric organocatalyzed reactions via an enantioselective hydrogen atom transfer (HAT) process. Herein, an unprecedented type of chiral C2-symmetric arylthiol catalysts derived from readily available enantiomeric lactate ester was developed. With these catalysts, an asymmetric anti-Markovnikov alkene hydroamination-cyclization reaction was established, affording a variety of pharmaceutically interesting 3-substituted piperidines with moderate to high enantioselectivity. Results of the designed control experiments and theoretical computation rationalized the origin of stereocontrol and disclosed the spatial effect of the moiety of chiral thiols on the enantioselectivity. We believed the facile synthesis, flexible tunability, and effective enantioselectivity-controlling capability of these catalysts would shed light on the development of versatile chiral HAT catalysts and related asymmetric reactions.
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Affiliation(s)
- Lin Tang
- Shanghai Key Laboratory of Green Chemistry and Chemical Processes, State Key Laboratory of Petroleum Molecular & Process Engineering, School of Chemistry and Molecular Engineering, East China Normal University, Shanghai 200062, China
| | - Chaoren Shen
- Shanghai Key Laboratory of Green Chemistry and Chemical Processes, State Key Laboratory of Petroleum Molecular & Process Engineering, School of Chemistry and Molecular Engineering, East China Normal University, Shanghai 200062, China
| | - Shaoyu Hao
- Shanghai Key Laboratory of Green Chemistry and Chemical Processes, State Key Laboratory of Petroleum Molecular & Process Engineering, School of Chemistry and Molecular Engineering, East China Normal University, Shanghai 200062, China
| | - Kaiwu Dong
- Shanghai Key Laboratory of Green Chemistry and Chemical Processes, State Key Laboratory of Petroleum Molecular & Process Engineering, School of Chemistry and Molecular Engineering, East China Normal University, Shanghai 200062, China
- Chang-Kung Chuang Institute, School of Chemistry and Molecular Engineering, East China Normal University, Shanghai 200062, China
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8
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Jadhav T, Dhokale B, Saeed ZM, Hadjichristidis N, Mohamed S. Dynamic Covalent Chemistry of Enamine-Ones: Exploring Tunable Reactivity in Vitrimeric Polymers and Covalent Organic Frameworks. CHEMSUSCHEM 2024:e202400356. [PMID: 38842466 DOI: 10.1002/cssc.202400356] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/20/2024] [Revised: 06/05/2024] [Accepted: 06/05/2024] [Indexed: 06/07/2024]
Abstract
Dynamic covalent chemistry (DCC) has revolutionized the field of polymer science by offering new opportunities for the synthesis, processability, and recyclability of polymers as well as in the development of new materials with interesting properties such as vitrimers and covalent organic frameworks (COFs). Many DCC linkages have been explored for this purpose, but recently, enamine-ones have proven to be promising dynamic linkages because of their facile reversible transamination reactions under thermodynamic control. Their high stability, stimuli-responsive properties, and tunable kinetics make them promising dynamic cross-linkers in network polymers. Given the rapid developments in the field in recent years, this review provides a critical and up-to-date overview of recent developments in enamine-one chemistry, including factors that control their dynamics. The focus of the review will be on the utility of enamine-ones in designing a variety of processable and self-healable polymers with important applications in vitrimers and recyclable closed-loop polymers. The use of enamine-one linkages in crystalline polymers, known as COFs and their applications are also summarized. Finally, we provide an outlook for future developments in this field.
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Affiliation(s)
- Thaksen Jadhav
- Department of Chemistry, Green Chemistry & Materials Modelling Laboratory, Khalifa University of Science and Technology, PO Box, Abu Dhabi, 127788, United Arab Emirates
- Center for Catalysis and Separations, Khalifa University of Science and Technology, PO Box, Abu Dhabi, 127788, United Arab Emirates
| | - Bhausaheb Dhokale
- Department of Chemistry, Green Chemistry & Materials Modelling Laboratory, Khalifa University of Science and Technology, PO Box, Abu Dhabi, 127788, United Arab Emirates
- Department of Chemistry, University of Wyoming, Laramie, Wyoming 82071, United States of America
| | - Zeinab M Saeed
- Department of Chemistry, Green Chemistry & Materials Modelling Laboratory, Khalifa University of Science and Technology, PO Box, Abu Dhabi, 127788, United Arab Emirates
- Center for Catalysis and Separations, Khalifa University of Science and Technology, PO Box, Abu Dhabi, 127788, United Arab Emirates
| | - Nikos Hadjichristidis
- Chemistry Program, KAUST Catalysis Center, Physical Sciences and Engineering Division, King Abdullah University of Science and Technology (KAUST), Thuwal, 23955, Saudi Arabia
| | - Sharmarke Mohamed
- Department of Chemistry, Green Chemistry & Materials Modelling Laboratory, Khalifa University of Science and Technology, PO Box, Abu Dhabi, 127788, United Arab Emirates
- Center for Catalysis and Separations, Khalifa University of Science and Technology, PO Box, Abu Dhabi, 127788, United Arab Emirates
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9
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Orimoto G, Yoshida S. Iterative click reactions using trivalent platforms for sequential molecular assembly. Chem Commun (Camb) 2024; 60:5824-5827. [PMID: 38747212 DOI: 10.1039/d4cc01177e] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/31/2024]
Abstract
A facile synthesis of multi(triazole)s by iterative click reactions is disclosed. Good functional group tolerance of sequential click assembly by sulfur-fluoride exchange (SuFEx), copper-catalyzed azide-alkyne cycloaddition (CuAAC), and thia-Michael reaction realizes the iterative click reactions. Diverse multi(triazole)-type mid-molecules can be synthesized easily from readily available modules through good chemoselective reactions without functional group transformation steps.
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Affiliation(s)
- Gaku Orimoto
- Department of Biological Science and Technology, Faculty of Advanced Engineering, Tokyo University of Science, 6-3-1 Niijuku, Katsushika-ku, Tokyo 125-8585, Japan.
| | - Suguru Yoshida
- Department of Biological Science and Technology, Faculty of Advanced Engineering, Tokyo University of Science, 6-3-1 Niijuku, Katsushika-ku, Tokyo 125-8585, Japan.
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10
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Degirmenci A, Sanyal R, Sanyal A. Metal-Free Click-Chemistry: A Powerful Tool for Fabricating Hydrogels for Biomedical Applications. Bioconjug Chem 2024; 35:433-452. [PMID: 38516745 PMCID: PMC11036366 DOI: 10.1021/acs.bioconjchem.4c00003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2024] [Revised: 02/17/2024] [Accepted: 02/20/2024] [Indexed: 03/23/2024]
Abstract
Increasing interest in the utilization of hydrogels in various areas of biomedical sciences ranging from biosensing and drug delivery to tissue engineering has necessitated the synthesis of these materials using efficient and benign chemical transformations. In this regard, the advent of "click" chemistry revolutionized the design of hydrogels and a range of efficient reactions was utilized to obtain hydrogels with increased control over their physicochemical properties. The ability to apply the "click" chemistry paradigm to both synthetic and natural polymers as hydrogel precursors further expanded the utility of this chemistry in network formation. In particular, the ability to integrate clickable handles at predetermined locations in polymeric components enables the formation of well-defined networks. Although, in the early years of "click" chemistry, the copper-catalyzed azide-alkyne cycloaddition was widely employed, recent years have focused on the use of metal-free "click" transformations, since residual metal impurities may interfere with or compromise the biological function of such materials. Furthermore, many of the non-metal-catalyzed "click" transformations enable the fabrication of injectable hydrogels, as well as the fabrication of microstructured gels using spatial and temporal control. This review article summarizes the recent advances in the fabrication of hydrogels using various metal-free "click" reactions and highlights the applications of thus obtained materials. One could envision that the use of these versatile metal-free "click" reactions would continue to revolutionize the design of functional hydrogels geared to address unmet needs in biomedical sciences.
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Affiliation(s)
- Aysun Degirmenci
- Department
of Chemistry, Bogazici University, Bebek, Istanbul 34342, Türkiye
| | - Rana Sanyal
- Department
of Chemistry, Bogazici University, Bebek, Istanbul 34342, Türkiye
- Center
for Life Sciences and Technologies, Bogazici
University, Bebek, Istanbul 34342, Türkiye
| | - Amitav Sanyal
- Department
of Chemistry, Bogazici University, Bebek, Istanbul 34342, Türkiye
- Center
for Life Sciences and Technologies, Bogazici
University, Bebek, Istanbul 34342, Türkiye
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11
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Wang J, Tian T, Zhang R, Li M, Chen J, Qin A, Tang BZ. Efficient Conversion of Inert Nitriles to Multifunctional Poly(5-amino-1,2,3-triazole)s via Regioselective Click Polymerization with Azide Monomers under Ambient Conditions. J Am Chem Soc 2024; 146:6652-6664. [PMID: 38419303 DOI: 10.1021/jacs.3c12588] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/02/2024]
Abstract
Nitrile compounds are abundant, stable, cheap, and readily available natural and chemical industrial sources. However, the efficient conversion of nitrile monomers to functional polymers is mostly limited due to their inert reactivity, and developing efficient polymerizations based on nitrile monomers under very mild conditions is still a big challenge. In this work, a facile and powerful base-catalyzed acetonitrile-azide click polymerization was successfully established under ambient conditions. This polymerization also enjoys the merits of short reaction time (15 min), 100% atom economy, transition-metal-free catalyst system, and regioselectivity. A series of poly(5-amino-1,2,3-triazole)s (PATAs) with high weight-average molecular weights (Mw, up to 204,000) were produced in excellent yields (up to 99%). The PATAs containing tetraphenylethene (TPE) moieties exhibit unique aggregation-induced emission (AIE) characteristics, which could be used to sensitively detect Fe(III) ions with a low limit of detection (1.205 × 10-7 M) and to specifically image lysosomes of living cells. Notably, PATAs could be facilely post-modified due to their containing primary amino groups in the polymer chains even through a one-pot tandem reaction. Thus, this work not only establishes a new powerful click polymerization to convert stable nitriles but also generates a series of PATAs with versatile properties for diverse applications.
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Affiliation(s)
- Jia Wang
- State Key Laboratory of Luminescent Materials and Devices, Guangdong Provincial Key Laboratory of Luminescence from Molecular Aggregates, South China University of Technology, Guangzhou 510640, China
- Center for Aggregation-Induced Emission, South China University of Technology, Guangzhou 510640, China
- Songshan Lake Materials Laboratory, Dongguan 523808, China
| | - Tian Tian
- State Key Laboratory of Luminescent Materials and Devices, Guangdong Provincial Key Laboratory of Luminescence from Molecular Aggregates, South China University of Technology, Guangzhou 510640, China
- Center for Aggregation-Induced Emission, South China University of Technology, Guangzhou 510640, China
| | - Rongyuan Zhang
- School of Science and Engineering, Shenzhen Institute of Aggregate Science and Technology, The Chinese University of Hong Kong (CUHK), Shenzhen, Guangdong 518172, China
| | - Mingzhao Li
- State Key Laboratory of Luminescent Materials and Devices, Guangdong Provincial Key Laboratory of Luminescence from Molecular Aggregates, South China University of Technology, Guangzhou 510640, China
- Center for Aggregation-Induced Emission, South China University of Technology, Guangzhou 510640, China
| | - Jie Chen
- State Key Laboratory of Luminescent Materials and Devices, Guangdong Provincial Key Laboratory of Luminescence from Molecular Aggregates, South China University of Technology, Guangzhou 510640, China
- Center for Aggregation-Induced Emission, South China University of Technology, Guangzhou 510640, China
| | - Anjun Qin
- State Key Laboratory of Luminescent Materials and Devices, Guangdong Provincial Key Laboratory of Luminescence from Molecular Aggregates, South China University of Technology, Guangzhou 510640, China
- Center for Aggregation-Induced Emission, South China University of Technology, Guangzhou 510640, China
| | - Ben Zhong Tang
- Center for Aggregation-Induced Emission, South China University of Technology, Guangzhou 510640, China
- School of Science and Engineering, Shenzhen Institute of Aggregate Science and Technology, The Chinese University of Hong Kong (CUHK), Shenzhen, Guangdong 518172, China
- Hong Kong Branch of Chinese National Engineering Research Center for Tissue Restoration and Reconstruction, The Hong Kong University of Science and Technology, Kowloon, Hong Kong 999077, China
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12
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Wang CJ, Meng HJ, Tang Y, Chen J, Zhou L. Aromatic Amine and Chiral Phosphoric Acid Synergistic Catalyzed Cascade Reaction of Alkynylnaphthols with Aldehydes. Org Lett 2024; 26:1489-1494. [PMID: 38358098 DOI: 10.1021/acs.orglett.4c00172] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/16/2024]
Abstract
A novel approach using aromatic amines and chiral phosphoric acids in a synergistic catalytic cascade reaction of 2-alkynylnaphthols with aldehydes has been established. This method offers a direct route to preparing flavanone analogues with excellent stereoselectivity. Mechanistic studies reveal a sequential process involving addition, elimination, cyclization, and hydrolysis in which aromatic amines and chiral phosphoric acids play key roles via imine-enamine and hydrogen bonding models.
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Affiliation(s)
- Chuan-Jin Wang
- Key Laboratory of Synthetic and Natural Functional Molecule of the Ministry of Education, Department of Chemistry & Materials Science, Northwest University, Xi'an 710127, P. R. China
| | - Hao-Jie Meng
- Key Laboratory of Synthetic and Natural Functional Molecule of the Ministry of Education, Department of Chemistry & Materials Science, Northwest University, Xi'an 710127, P. R. China
| | - Yue Tang
- Key Laboratory of Synthetic and Natural Functional Molecule of the Ministry of Education, Department of Chemistry & Materials Science, Northwest University, Xi'an 710127, P. R. China
| | - Jie Chen
- Key Laboratory of Synthetic and Natural Functional Molecule of the Ministry of Education, Department of Chemistry & Materials Science, Northwest University, Xi'an 710127, P. R. China
| | - Ling Zhou
- Key Laboratory of Synthetic and Natural Functional Molecule of the Ministry of Education, Department of Chemistry & Materials Science, Northwest University, Xi'an 710127, P. R. China
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13
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Zhang Z, Li L, Xu H, Lee CLK, Jia Z, Loh TP. Silicon-Containing Thiol-Specific Bioconjugating Reagent. J Am Chem Soc 2024; 146:1776-1782. [PMID: 38198597 DOI: 10.1021/jacs.3c12050] [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: 01/12/2024]
Abstract
A new bioconjugation reagent containing silicon has been developed for the selective reaction with thiols. The inclusion of silicon significantly improves chemoselectivity and suppresses retro processes, thereby exceeding the capabilities of traditional reagents. The method is versatile and compatible with a broad range of thiols and unsaturated carbonyl compounds and yields moderate to high results. These reactions can be conducted under biocompatible conditions, thereby making them suitable for protein bioconjugation. The resulting conjugates display good stability in the presence of various biomolecules, which suggests their potential application for the synthesis of antibody-drug conjugates. Furthermore, the presence of a silicon moiety within the conjugated products opens up new avenues for drug release and bridging inorganics with other disciplines. This new class of silicon-containing thiol-specific bioconjugation reagents has significant implications for researchers working in bioanalytical science and medicinal chemistry and leads to innovative opportunities for advancing the field of bioconjugation research and medicinal chemistry.
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Affiliation(s)
- Zhenguo Zhang
- College of Advanced Interdisciplinary Science and Technology, Henan University of Technology, Zhengzhou 450001, China
- Division of Chemistry and Biological Chemistry, School of Chemistry, Chemical Engineering, and Biotechnology, Nanyang Technological University, 21 Nanyang Link, Singapore 637371, Singapore
| | - Lanyang Li
- Institute of Advanced Synthesis, School of Chemistry and Molecular Engineering Nanjing Tech University, 30 South Puzhu Road, Nanjing 211816, China
| | - Hailun Xu
- Institute of Advanced Synthesis, School of Chemistry and Molecular Engineering Nanjing Tech University, 30 South Puzhu Road, Nanjing 211816, China
| | - Chi-Lik Ken Lee
- Institute of Sustainability for Chemicals, Energy and Environment, Agency for Science, Technology and Research, 1 Pesek Road, Singapore 627833, Singapore
| | - Zhenhua Jia
- College of Advanced Interdisciplinary Science and Technology, Henan University of Technology, Zhengzhou 450001, China
- Division of Chemistry and Biological Chemistry, School of Chemistry, Chemical Engineering, and Biotechnology, Nanyang Technological University, 21 Nanyang Link, Singapore 637371, Singapore
| | - Teck-Peng Loh
- College of Advanced Interdisciplinary Science and Technology, Henan University of Technology, Zhengzhou 450001, China
- Division of Chemistry and Biological Chemistry, School of Chemistry, Chemical Engineering, and Biotechnology, Nanyang Technological University, 21 Nanyang Link, Singapore 637371, Singapore
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14
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Sánchez-Bodón J, Diaz-Galbarriatu M, Sola-Llano R, Ruiz-Rubio L, Vilas-Vilela JL, Moreno-Benitez I. Catalyst-Free Amino-Yne Click Reaction: An Efficient Way for Immobilizing Amoxicillin onto Polymeric Surfaces. Polymers (Basel) 2024; 16:246. [PMID: 38257045 PMCID: PMC10818529 DOI: 10.3390/polym16020246] [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: 12/23/2023] [Revised: 01/10/2024] [Accepted: 01/11/2024] [Indexed: 01/24/2024] Open
Abstract
Surface modifications play a crucial role in enhancing the functionality of biomaterials. Different approaches can be followed in order to achieve the bioconjugation of drugs and biological compounds onto polymer surfaces. In this study, we focused on the immobilization of an amoxicillin antibiotic onto the surface of poly-L-lactic acid (PLLA) using a copper-free amino-yne click reaction. The utilization of this reaction allowed for a selective and efficient bioconjugation of the amoxicillin moiety onto the PLLA surface, avoiding copper-related concerns and ensuring biocompatibility. The process involved sequential steps that included surface activation via alkaline hydrolysis followed by an amidation reaction with ethylendiamine, functionalization with propiolic groups, and subsequent conjugation with amoxicillin via a click chemistry approach. Previous amoxicillin immobilization using tryptophan and fluorescent amino acid conjugation was carried out in order to determine the efficacy of the proposed methodology. Characterization techniques such as X-ray photoelectron spectroscopy (XPS), Attenuated Total Reflection (ATR)-Fourier Transform Infrared (FTIR) spectroscopy, surface imaging, water contact angle determination, and spectroscopic analysis confirmed the successful immobilization of both tryptophan and amoxicillin while maintaining the integrity of the PLLA surface. This tailored modification not only exhibited a novel method for surface functionalization but also opens avenues for developing antimicrobial biomaterials with improved drug-loading capacity.
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Affiliation(s)
- Julia Sánchez-Bodón
- Macromolecular Chemistry Group (LABQUIMAC), Department of Physical Chemistry, University of the Basque Country (UPV/EHU), 48940 Leioa, Spain; (J.S.-B.); (M.D.-G.); (L.R.-R.); (J.L.V.-V.)
| | - Maria Diaz-Galbarriatu
- Macromolecular Chemistry Group (LABQUIMAC), Department of Physical Chemistry, University of the Basque Country (UPV/EHU), 48940 Leioa, Spain; (J.S.-B.); (M.D.-G.); (L.R.-R.); (J.L.V.-V.)
| | - Rebeca Sola-Llano
- Department of Physical Chemistry, University of the Basque Country (UPV/EHU), 48940 Leioa, Spain;
| | - Leire Ruiz-Rubio
- Macromolecular Chemistry Group (LABQUIMAC), Department of Physical Chemistry, University of the Basque Country (UPV/EHU), 48940 Leioa, Spain; (J.S.-B.); (M.D.-G.); (L.R.-R.); (J.L.V.-V.)
- BCMaterials, Basque Center for Materials, Applications and Nanostructures, UPV/EHU, Science Park, 48940 Leioa, Spain
| | - José Luis Vilas-Vilela
- Macromolecular Chemistry Group (LABQUIMAC), Department of Physical Chemistry, University of the Basque Country (UPV/EHU), 48940 Leioa, Spain; (J.S.-B.); (M.D.-G.); (L.R.-R.); (J.L.V.-V.)
- BCMaterials, Basque Center for Materials, Applications and Nanostructures, UPV/EHU, Science Park, 48940 Leioa, Spain
| | - Isabel Moreno-Benitez
- Macromolecular Chemistry Group (LABQUIMAC), Department of Organic and Inorganic Chemistry, University of the Basque Country (UPV/EHU), 48940 Leioa, Spain
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15
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Keeley A, Kopranovic A, Di Lorenzo V, Ábrányi-Balogh P, Jänsch N, Lai LN, Petri L, Orgován Z, Pölöske D, Orlova A, Németh A, Desczyk C, Imre T, Bajusz D, Moriggl R, Meyer-Almes FJ, Keserü GM. Electrophilic MiniFrags Revealed Unprecedented Binding Sites for Covalent HDAC8 Inhibitors. J Med Chem 2024; 67:572-585. [PMID: 38113354 PMCID: PMC10788917 DOI: 10.1021/acs.jmedchem.3c01779] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/25/2023] [Revised: 11/06/2023] [Accepted: 11/28/2023] [Indexed: 12/21/2023]
Abstract
Screening of ultra-low-molecular weight ligands (MiniFrags) successfully identified viable chemical starting points for a variety of drug targets. Here we report the electrophilic analogues of MiniFrags that allow the mapping of potential binding sites for covalent inhibitors by biochemical screening and mass spectrometry. Small electrophilic heterocycles and their N-quaternized analogues were first characterized in the glutathione assay to analyze their electrophilic reactivity. Next, the library was used for systematic mapping of potential covalent binding sites available in human histone deacetylase 8 (HDAC8). The covalent labeling of HDAC8 cysteines has been proven by tandem mass spectrometry measurements, and the observations were explained by mutating HDAC8 cysteines. As a result, screening of electrophilic MiniFrags identified three potential binding sites suitable for the development of allosteric covalent HDAC8 inhibitors. One of the hit fragments was merged with a known HDAC8 inhibitor fragment using different linkers, and the linker length was optimized to result in a lead-like covalent inhibitor.
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Affiliation(s)
- Aaron
B. Keeley
- Medicinal
Chemistry Research Group, Research Centre
for Natural Sciences, Magyar tudósok krt 2, H-1117 Budapest, Hungary
- Department
of Organic Chemistry and Technology, Faculty of Chemical Technology
and Biotechnology, Budapest University of
Technology and Economics, Müegyetem rkp. 3., H-1111 Budapest, Hungary
- National
Laboratory for Drug Research and Development, H-1117 Budapest, Hungary
| | - Aleksandra Kopranovic
- Department
of Chemical Engineering and Biotechnology, University of Applied Sciences Darmstadt, Haardtring 100, 64295 Darmstadt, Germany
| | - Vincenzo Di Lorenzo
- Medicinal
Chemistry Research Group, Research Centre
for Natural Sciences, Magyar tudósok krt 2, H-1117 Budapest, Hungary
- Department
of Organic Chemistry and Technology, Faculty of Chemical Technology
and Biotechnology, Budapest University of
Technology and Economics, Müegyetem rkp. 3., H-1111 Budapest, Hungary
- National
Laboratory for Drug Research and Development, H-1117 Budapest, Hungary
| | - Péter Ábrányi-Balogh
- Medicinal
Chemistry Research Group, Research Centre
for Natural Sciences, Magyar tudósok krt 2, H-1117 Budapest, Hungary
- Department
of Organic Chemistry and Technology, Faculty of Chemical Technology
and Biotechnology, Budapest University of
Technology and Economics, Müegyetem rkp. 3., H-1111 Budapest, Hungary
- National
Laboratory for Drug Research and Development, H-1117 Budapest, Hungary
| | - Niklas Jänsch
- Department
of Chemical Engineering and Biotechnology, University of Applied Sciences Darmstadt, Haardtring 100, 64295 Darmstadt, Germany
| | - Linh N. Lai
- Department
of Chemical Engineering and Biotechnology, University of Applied Sciences Darmstadt, Haardtring 100, 64295 Darmstadt, Germany
| | - László Petri
- Medicinal
Chemistry Research Group, Research Centre
for Natural Sciences, Magyar tudósok krt 2, H-1117 Budapest, Hungary
- Department
of Organic Chemistry and Technology, Faculty of Chemical Technology
and Biotechnology, Budapest University of
Technology and Economics, Müegyetem rkp. 3., H-1111 Budapest, Hungary
- National
Laboratory for Drug Research and Development, H-1117 Budapest, Hungary
| | - Zoltán Orgován
- Medicinal
Chemistry Research Group, Research Centre
for Natural Sciences, Magyar tudósok krt 2, H-1117 Budapest, Hungary
- Department
of Organic Chemistry and Technology, Faculty of Chemical Technology
and Biotechnology, Budapest University of
Technology and Economics, Müegyetem rkp. 3., H-1111 Budapest, Hungary
- National
Laboratory for Drug Research and Development, H-1117 Budapest, Hungary
| | - Daniel Pölöske
- Institute
of Animal Breeding and Genetics, University
of Veterinary Medicine, 1210 Vienna, Austria
| | - Anna Orlova
- Institute
of Animal Breeding and Genetics, University
of Veterinary Medicine, 1210 Vienna, Austria
| | - András
György Németh
- Medicinal
Chemistry Research Group, Research Centre
for Natural Sciences, Magyar tudósok krt 2, H-1117 Budapest, Hungary
- Department
of Organic Chemistry and Technology, Faculty of Chemical Technology
and Biotechnology, Budapest University of
Technology and Economics, Müegyetem rkp. 3., H-1111 Budapest, Hungary
- National
Laboratory for Drug Research and Development, H-1117 Budapest, Hungary
| | - Charlotte Desczyk
- Department
of Chemical Engineering and Biotechnology, University of Applied Sciences Darmstadt, Haardtring 100, 64295 Darmstadt, Germany
| | - Tímea Imre
- Medicinal
Chemistry Research Group, Research Centre
for Natural Sciences, Magyar tudósok krt 2, H-1117 Budapest, Hungary
- MS
Metabolomics
Research Group, Research Centre for Natural
Sciences, Magyar tudósok
krt 2, H-1117 Budapest, Hungary
| | - Dávid Bajusz
- Medicinal
Chemistry Research Group, Research Centre
for Natural Sciences, Magyar tudósok krt 2, H-1117 Budapest, Hungary
- Department
of Organic Chemistry and Technology, Faculty of Chemical Technology
and Biotechnology, Budapest University of
Technology and Economics, Müegyetem rkp. 3., H-1111 Budapest, Hungary
- National
Laboratory for Drug Research and Development, H-1117 Budapest, Hungary
| | - Richard Moriggl
- Institute
of Animal Breeding and Genetics, University
of Veterinary Medicine, 1210 Vienna, Austria
| | - Franz-Josef Meyer-Almes
- Department
of Chemical Engineering and Biotechnology, University of Applied Sciences Darmstadt, Haardtring 100, 64295 Darmstadt, Germany
| | - György M. Keserü
- Medicinal
Chemistry Research Group, Research Centre
for Natural Sciences, Magyar tudósok krt 2, H-1117 Budapest, Hungary
- Department
of Organic Chemistry and Technology, Faculty of Chemical Technology
and Biotechnology, Budapest University of
Technology and Economics, Müegyetem rkp. 3., H-1111 Budapest, Hungary
- National
Laboratory for Drug Research and Development, H-1117 Budapest, Hungary
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16
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Segawa S, He X, Tang BZ. Metal-free click and bioorthogonal reactions of aggregation-induced emission probes for lighting up living systems. LUMINESCENCE 2024; 39:e4619. [PMID: 37987236 DOI: 10.1002/bio.4619] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2023] [Revised: 10/10/2023] [Accepted: 10/16/2023] [Indexed: 11/22/2023]
Abstract
In 2002, two transformative research paradigms emerged: 'click chemistry' and 'aggregation-induced emission (AIE),' both leaving significant impacts on early 21st-century academia. Click chemistry, which describes the straightforward and reliable reactions for linking two building blocks, has simplified complex molecular syntheses and functionalization, propelling advancements in polymer, material, and life science. In particular, nontoxic, metal-free click reactions involving abiotic functional groups have matured into bioorthogonal reactions. These are organic ligations capable of selective and efficient operations even in congested living systems, therefore enabling in vitro to in vivo biomolecular labelling. Concurrently, AIE, a fluorogenic phenomenon of twisted π-conjugated compounds upon aggregation, has offered profound insight into solid-state photophysics and promoted the creation of aggregate materials. The inherent fluorogenicity and aggregate-emission properties of AIE luminogens have found extensive application in biological imaging, characterized by their high-contrast and photostable fluorescent signals. As such, the convergence of these two domains to yield efficient labelling with excellent fluorescence images is an anticipated progression in recent life science research. In this review, we intend to showcase the synergetic applications of AIE probes and metal-free click or bioorthogonal reactions, highlighting both the achievements and the unexplored avenues in this promising field.
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Affiliation(s)
- Shinsuke Segawa
- Department of Chemical and Biological Engineering, School of Engineering, The Hong Kong University of Science and Technology, Kowloon, Hong Kong, China
| | - Xuewen He
- The Key Lab of Health Chemistry and Molecular Diagnosis of Suzhou, College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou, Jiangsu, China
| | - Ben Zhong Tang
- School of Science and Engineering, Shenzhen Institute of Aggregate Science and Technology, The Chinese University of Hong Kong, Shenzhen, Guangdong, China
- Department of Chemistry, Hong Kong Branch of Chinese National Engineering Research Center for Tissue Restoration and Reconstruction and Institute for Advanced Study, The Hong Kong University of Science and Technology, Kowloon, Hong Kong, China
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17
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Yue TJ, Ren WM, Lu XB. Copolymerization Involving Sulfur-Containing Monomers. Chem Rev 2023; 123:14038-14083. [PMID: 37917384 DOI: 10.1021/acs.chemrev.3c00437] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2023]
Abstract
Incorporating sulfur (S) atoms into polymer main chains endows these materials with many attractive features, including a high refractive index, mechanical properties, electrochemical properties, and adhesive ability to heavy metal ions. The copolymerization involving S-containing monomers constitutes a facile method for effectively constructing S-containing polymers with diverse structures, readily tunable sequences, and topological structures. In this review, we describe the recent advances in the synthesis of S-containing polymers via copolymerization or multicomponent polymerization techniques concerning a variety of S-containing monomers, such as dithiols, carbon disulfide, carbonyl sulfide, cyclic thioanhydrides, episulfides and elemental sulfur (S8). Particularly, significant focus is paid to precise control of the main-chain sequence, stereochemistry, and topological structure for achieving high-value applications.
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Affiliation(s)
- Tian-Jun Yue
- State Key Laboratory of Fine Chemicals, Frontiers Science Center for Smart Materials Oriented Chemical Engineering, Dalian University of Technology, 2 Linggong Road, Dalian, 116024, China
| | - Wei-Min Ren
- State Key Laboratory of Fine Chemicals, Frontiers Science Center for Smart Materials Oriented Chemical Engineering, Dalian University of Technology, 2 Linggong Road, Dalian, 116024, China
| | - Xiao-Bing Lu
- State Key Laboratory of Fine Chemicals, Frontiers Science Center for Smart Materials Oriented Chemical Engineering, Dalian University of Technology, 2 Linggong Road, Dalian, 116024, China
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18
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Li Q, Hu Z, Ji X. Hydrogel-Based Macroscopic Click Chemistry. Angew Chem Int Ed Engl 2023; 62:e202315086. [PMID: 37947160 DOI: 10.1002/anie.202315086] [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: 10/07/2023] [Revised: 11/09/2023] [Accepted: 11/10/2023] [Indexed: 11/12/2023]
Abstract
The click reaction has found good utility across various fields due to the characteristics of high efficiency, atom economy, simple and mild reaction conditions. Click chemistry is usually utilized for connecting components of microscopic level, while it is still unable for joining macroscopic building blocks. Materials consisting of macroscopic building blocks realize the flexible fabrication of three-dimensional structures at macroscopic level, exerting significance on parallel manufactures. In this work, we reported macroscopic click chemistry utilizing hydrogel as macroscopic building blocks. Hydrogels G1 and G2 were prepared by incorporating M1 (N,N'-dimethyl-1,2-ethanediamine) and P1 (alkyne functionalized polyethylene glycol) respectively, where polymer chains formed through diffusion-induced amino-yne click reaction entangled different hydrogel networks together. Additionally, chain-like aggregates and complicated 3D structures such as tetrahedron and quadrangular pyramid were constructed based on the adhesion of the hydrogel blocks. The approach enables us to find more possibilities in the delicate designation of 3D aggregations as well as large-scale manufacturing.
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Affiliation(s)
- Qingyun Li
- Key Laboratory of Material Chemistry for Energy Conversion and Storage, Ministry of Education, Hubei Key Laboratory of Material Chemistry and Service Failure, Hubei Engineering Research Center for Biomaterials and Medical Protective Materials, School of Chemistry and Chemical Engineering, Huazhong University of Science and Technology, Wuhan, 430074, P.R. China
| | - Ziqing Hu
- Key Laboratory of Material Chemistry for Energy Conversion and Storage, Ministry of Education, Hubei Key Laboratory of Material Chemistry and Service Failure, Hubei Engineering Research Center for Biomaterials and Medical Protective Materials, School of Chemistry and Chemical Engineering, Huazhong University of Science and Technology, Wuhan, 430074, P.R. China
| | - Xiaofan Ji
- Key Laboratory of Material Chemistry for Energy Conversion and Storage, Ministry of Education, Hubei Key Laboratory of Material Chemistry and Service Failure, Hubei Engineering Research Center for Biomaterials and Medical Protective Materials, School of Chemistry and Chemical Engineering, Huazhong University of Science and Technology, Wuhan, 430074, P.R. China
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19
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Peschke F, Taladriz‐Sender A, Andrews MJ, Watson AJB, Burley GA. Glutathione Mediates Control of Dual Differential Bio-orthogonal Labelling of Biomolecules. ANGEWANDTE CHEMIE (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2023; 135:e202313063. [PMID: 38515866 PMCID: PMC10953330 DOI: 10.1002/ange.202313063] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 09/05/2023] [Indexed: 03/23/2024]
Abstract
Traditional approaches to bio-orthogonal reaction discovery have focused on developing reagent pairs that react with each other faster than they are metabolically degraded. Glutathione (GSH) is typically responsible for the deactivation of most bio-orthogonal reagents. Here we demonstrate that GSH promotes a Cu-catalysed (3+2) cycloaddition reaction between an ynamine and an azide. We show that GSH acts as a redox modulator to control the Cu oxidation state in these cycloadditions. Rate enhancement of this reaction is specific for ynamine substrates and is tuneable by the Cu:GSH ratio. This unique GSH-mediated reactivity gradient is then utilised in the dual sequential bio-orthogonal labelling of peptides and oligonucleotides via two distinct chemoselective (3+2) cycloadditions.
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Affiliation(s)
- Frederik Peschke
- Department of Pure & Applied Chemistry & the Strathclyde Centre for Molecular BioscienceUniversity of Strathclyde295 Cathedral StreetGlasgowG1 1XLUK
| | - Andrea Taladriz‐Sender
- Department of Pure & Applied Chemistry & the Strathclyde Centre for Molecular BioscienceUniversity of Strathclyde295 Cathedral StreetGlasgowG1 1XLUK
| | - Matthew J. Andrews
- EaStCHEMSchool of ChemistryUniversity of Saint AndrewsNorth HaughSt AndrewsFifeKY16 9STUK
| | - Allan J. B. Watson
- EaStCHEMSchool of ChemistryUniversity of Saint AndrewsNorth HaughSt AndrewsFifeKY16 9STUK
| | - Glenn A. Burley
- Department of Pure & Applied Chemistry & the Strathclyde Centre for Molecular BioscienceUniversity of Strathclyde295 Cathedral StreetGlasgowG1 1XLUK
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20
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Peschke F, Taladriz‐Sender A, Andrews MJ, Watson AJB, Burley GA. Glutathione Mediates Control of Dual Differential Bio-orthogonal Labelling of Biomolecules. Angew Chem Int Ed Engl 2023; 62:e202313063. [PMID: 37906440 PMCID: PMC10952886 DOI: 10.1002/anie.202313063] [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: 09/05/2023] [Revised: 10/25/2023] [Accepted: 10/31/2023] [Indexed: 11/02/2023]
Abstract
Traditional approaches to bio-orthogonal reaction discovery have focused on developing reagent pairs that react with each other faster than they are metabolically degraded. Glutathione (GSH) is typically responsible for the deactivation of most bio-orthogonal reagents. Here we demonstrate that GSH promotes a Cu-catalysed (3+2) cycloaddition reaction between an ynamine and an azide. We show that GSH acts as a redox modulator to control the Cu oxidation state in these cycloadditions. Rate enhancement of this reaction is specific for ynamine substrates and is tuneable by the Cu:GSH ratio. This unique GSH-mediated reactivity gradient is then utilised in the dual sequential bio-orthogonal labelling of peptides and oligonucleotides via two distinct chemoselective (3+2) cycloadditions.
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Affiliation(s)
- Frederik Peschke
- Department of Pure & Applied Chemistry & the Strathclyde Centre for Molecular BioscienceUniversity of Strathclyde295 Cathedral StreetGlasgowG1 1XLUK
| | - Andrea Taladriz‐Sender
- Department of Pure & Applied Chemistry & the Strathclyde Centre for Molecular BioscienceUniversity of Strathclyde295 Cathedral StreetGlasgowG1 1XLUK
| | - Matthew J. Andrews
- EaStCHEMSchool of ChemistryUniversity of Saint AndrewsNorth HaughSt AndrewsFifeKY16 9STUK
| | - Allan J. B. Watson
- EaStCHEMSchool of ChemistryUniversity of Saint AndrewsNorth HaughSt AndrewsFifeKY16 9STUK
| | - Glenn A. Burley
- Department of Pure & Applied Chemistry & the Strathclyde Centre for Molecular BioscienceUniversity of Strathclyde295 Cathedral StreetGlasgowG1 1XLUK
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21
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Li X, Li W, Liu X, Zhang M, Yu EY, Law AWK, Ou X, Zhang J, Sung HHY, Tan X, Sun J, Lam JWY, Guo Z, Tang BZ. A Photoactivatable Luminescent Motif through Ring-Flipping Isomerization for Multiple Photopatterning. J Am Chem Soc 2023. [PMID: 38051539 DOI: 10.1021/jacs.3c07478] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/07/2023]
Abstract
Photoactivatable luminescent materials have garnered enormous attention in the field of intelligent responsive materials, yet their design and applications remain challenging due to the limited variety of photoactivatable motifs. In the work described herein, we discovered a new photoactivatable luminescent motif that underwent ring-flipping isomerization under UV irradiation. The emission of this motif exhibited a rapid transformation from dark yellow to bright green, accompanied by a significant enhancement of quantum yield from 1.9% to 34.2%. Experimental and theoretical studies revealed that the effective intramolecular motion (EIM) was crucial to the distinct luminescence performance between two isomers. In addition, polymers containing this motif were achieved through a one-pot alkyne polymerization, exhibiting both photofluorochromic and photo-cross-linking properties. Furthermore, multiple types of photopatterning, including luminescent encryption, fluorescent grayscale imaging, and high-resolution photolithographic patterns, were realized. This work developed a new photoactivatable luminescent motif and demonstrated its potential applications in both small molecules and macromolecules, which will help in the future design of photoactivatable luminescent materials.
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Affiliation(s)
- Xin Li
- Department of Chemistry and the Hong Kong Branch of the Chinese National Engineering Research Center for Tissue Restoration and Reconstruction, The Hong Kong University of Science and Technology, Clear Water Bay, Kowloon, Hong Kong 999077, China
| | - Wenlang Li
- Department of Chemistry and the Hong Kong Branch of the Chinese National Engineering Research Center for Tissue Restoration and Reconstruction, The Hong Kong University of Science and Technology, Clear Water Bay, Kowloon, Hong Kong 999077, China
| | - Xinyue Liu
- Department of Chemistry and the Hong Kong Branch of the Chinese National Engineering Research Center for Tissue Restoration and Reconstruction, The Hong Kong University of Science and Technology, Clear Water Bay, Kowloon, Hong Kong 999077, China
| | - Minjie Zhang
- Department of Chemistry and the Hong Kong Branch of the Chinese National Engineering Research Center for Tissue Restoration and Reconstruction, The Hong Kong University of Science and Technology, Clear Water Bay, Kowloon, Hong Kong 999077, China
| | - Eric Y Yu
- Department of Chemistry and the Hong Kong Branch of the Chinese National Engineering Research Center for Tissue Restoration and Reconstruction, The Hong Kong University of Science and Technology, Clear Water Bay, Kowloon, Hong Kong 999077, China
| | - Anthony W K Law
- Department of Chemistry and the Hong Kong Branch of the Chinese National Engineering Research Center for Tissue Restoration and Reconstruction, The Hong Kong University of Science and Technology, Clear Water Bay, Kowloon, Hong Kong 999077, China
| | - Xinwen Ou
- Department of Chemistry and the Hong Kong Branch of the Chinese National Engineering Research Center for Tissue Restoration and Reconstruction, The Hong Kong University of Science and Technology, Clear Water Bay, Kowloon, Hong Kong 999077, China
| | - Jianyu Zhang
- Department of Chemistry and the Hong Kong Branch of the Chinese National Engineering Research Center for Tissue Restoration and Reconstruction, The Hong Kong University of Science and Technology, Clear Water Bay, Kowloon, Hong Kong 999077, China
| | - Herman H Y Sung
- Department of Chemistry and the Hong Kong Branch of the Chinese National Engineering Research Center for Tissue Restoration and Reconstruction, The Hong Kong University of Science and Technology, Clear Water Bay, Kowloon, Hong Kong 999077, China
| | - Xuefeng Tan
- Department of Chemistry, City University of Hong Kong, Kowloon Tong, Hong Kong 999077, China
| | | | - Jacky W Y Lam
- Department of Chemistry and the Hong Kong Branch of the Chinese National Engineering Research Center for Tissue Restoration and Reconstruction, The Hong Kong University of Science and Technology, Clear Water Bay, Kowloon, Hong Kong 999077, China
| | - Zhihong Guo
- Department of Chemistry and the Hong Kong Branch of the Chinese National Engineering Research Center for Tissue Restoration and Reconstruction, The Hong Kong University of Science and Technology, Clear Water Bay, Kowloon, Hong Kong 999077, China
| | - Ben Zhong Tang
- Department of Chemistry and the Hong Kong Branch of the Chinese National Engineering Research Center for Tissue Restoration and Reconstruction, The Hong Kong University of Science and Technology, Clear Water Bay, Kowloon, Hong Kong 999077, China
- School of Science and Engineering, Shenzhen Institute of Aggregate Science and Technology, The Chinese University of Hong Kong, Shenzhen (CUHK-Shenzhen), Guangdong 518172, China
- Center for Aggregation-Induced Emission, South China University of Technology, Guangzhou 510640, China
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22
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Teng S, Zhang Z, Li B, Li L, Tan MCL, Jia Z, Loh TP. Thiol-Specific Silicon-Containing Conjugating Reagent: β-Silyl Alkynyl Carbonyl Compounds. Angew Chem Int Ed Engl 2023; 62:e202311906. [PMID: 37721855 DOI: 10.1002/anie.202311906] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2023] [Revised: 09/16/2023] [Accepted: 09/18/2023] [Indexed: 09/20/2023]
Abstract
Site-specific modification of thiol-containing biomolecules has been recognized as a versatile and powerful strategy for probing our biological systems and discovering novel therapeutics. The addition of lipophilic silicon moiety opens up new avenues for multi-disciplinary research with broad applications in both the medicinal and material sciences. However, adhering to the strict biocompatibility requirements, and achieving the introduction of labile silicon handle and high chemo-selectivity have been formidable. In this paper, we report silicon-based conjugating reagents including β-trialkylsilyl and silyl ether-tethered alkynones that selectively react with thiols under physiological conditions. The pH-neutral, metal-free and additive-free reaction yields stable products with broad substrate compatibility and full retention of silicon handles in most cases. Besides simple aliphatic and aromatic thiols, this approach is applicable in the labeling of thiols present in proteins, sugars and payloads, thereby expanding the toolbox of thiol conjugation.
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Affiliation(s)
- Shenghan Teng
- Strait Laboratory of Flexible Electronics (SLoFE), Strait Institute of Flexible Electronics (SIFE, Future Technologies), Fujian Normal University, Fuzhou, China
- Division of Chemistry and Biological Chemistry, School of Chemistry Chemical Engineering & Biotechnology, Nanyang Technological University, 21 Nanyang Link, 637371, Singapore
| | - Zhenguo Zhang
- Division of Chemistry and Biological Chemistry, School of Chemistry Chemical Engineering & Biotechnology, Nanyang Technological University, 21 Nanyang Link, 637371, Singapore
| | - Bohan Li
- Division of Chemistry and Biological Chemistry, School of Chemistry Chemical Engineering & Biotechnology, Nanyang Technological University, 21 Nanyang Link, 637371, Singapore
| | - Lanyang Li
- School of Chemistry and Molecular Engineering, Nanjing Tech University, Nanjing, 211816, China
| | - Melinda Chor Li Tan
- Division of Chemistry and Biological Chemistry, School of Chemistry Chemical Engineering & Biotechnology, Nanyang Technological University, 21 Nanyang Link, 637371, Singapore
| | - Zhenhua Jia
- Henan University of Technology, 100 Lianhua Street, Zhongyuan District, Zhengzhou, 450001, China
| | - Teck-Peng Loh
- Henan University of Technology, 100 Lianhua Street, Zhongyuan District, Zhengzhou, 450001, China
- Division of Chemistry and Biological Chemistry, School of Chemistry Chemical Engineering & Biotechnology, Nanyang Technological University, 21 Nanyang Link, 637371, Singapore
- School of Chemistry and Molecular Engineering, Nanjing Tech University, Nanjing, 211816, China
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23
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Sun Y, Song N, Han Y, Ding S. Organic Base-Facilitated Thiol-Thioalkyne Reaction with Exclusive Regio- and Stereoselectivity. J Org Chem 2023; 88:15130-15141. [PMID: 37877589 DOI: 10.1021/acs.joc.3c01621] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2023]
Abstract
Here, we report the regiospecific hydrothiolation of electron-rich thioalkynes with exclusive stereoselectivity facilitated by an organic base, which could proceed exceedingly fast under ambient atmosphere and room temperature, affording β trans addition products in up to nearly quantitative yields. The dual nature of the sulfur atom in attracting and donating electrons is supposed to be pivotal in determining the regio- and stereoselectivity. This system tolerates a wide range of thiols and thioalkynes and shows great potential in polymer synthesis.
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Affiliation(s)
- Yunxin Sun
- State Key Laboratory of Organic-Inorganic Composites, College of Chemical Engineering, Beijing University of Chemical Technology, Beijing 100029, China
| | - Ningning Song
- State Key Laboratory of Organic-Inorganic Composites, College of Chemical Engineering, Beijing University of Chemical Technology, Beijing 100029, China
| | - Yanchen Han
- State Key Laboratory of Organic-Inorganic Composites, College of Chemical Engineering, Beijing University of Chemical Technology, Beijing 100029, China
| | - Shengtao Ding
- State Key Laboratory of Organic-Inorganic Composites, College of Chemical Engineering, Beijing University of Chemical Technology, Beijing 100029, China
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24
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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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25
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Gao F, Chang M, Meng X, Xu H, Gnawali G, Dong Y, Lopez B, Wang W. Site-Selective Modification of Secondary Amine Moieties on Native Peptides, Proteins, and Natural Products with Ynones. Bioconjug Chem 2023; 34:1553-1562. [PMID: 37646420 DOI: 10.1021/acs.bioconjchem.3c00246] [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: 09/01/2023]
Abstract
Site-selective modification of biologically relevant secondary amines in peptides, proteins, and natural products has been challenging due to the similar reactivity between primary and secondary amines. Even for the secondary amines, their reactivities are significantly influenced by their structures and environment. Herein, we report a ynone Michael bioconjugation method for selective modification of secondary amines in unprotected peptides and proteins and complex natural products. We show that fine tuning the electronic effect of the ynones enables controlling the Michael acceptor reactivity for the selective reaction with the structurally different secondary amines in densely functionalized complex structures and complicated biological environment.
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Affiliation(s)
- Feng Gao
- Department of Pharmacology and Toxicology, R. Ken Coit College of Pharmacy, University of Arizona, 1703 E Mabel Street, Tucson, Arizona 85721, United States
| | - Mengyang Chang
- Department of Chemistry and Biochemistry, University of Arizona, 1306 E University Blvd., Tucson, Arizona 85721, United States
| | - Xiang Meng
- Department of Pharmacology and Toxicology, R. Ken Coit College of Pharmacy, University of Arizona, 1703 E Mabel Street, Tucson, Arizona 85721, United States
| | - Hang Xu
- Department of Pharmacology and Toxicology, R. Ken Coit College of Pharmacy, University of Arizona, 1703 E Mabel Street, Tucson, Arizona 85721, United States
| | - Giri Gnawali
- Department of Pharmacology and Toxicology, R. Ken Coit College of Pharmacy, University of Arizona, 1703 E Mabel Street, Tucson, Arizona 85721, United States
| | - Yue Dong
- Department of Pharmacology and Toxicology, R. Ken Coit College of Pharmacy, University of Arizona, 1703 E Mabel Street, Tucson, Arizona 85721, United States
| | - Byrdie Lopez
- Department of Chemistry and Biochemistry, University of Arizona, 1306 E University Blvd., Tucson, Arizona 85721, United States
| | - Wei Wang
- Department of Pharmacology and Toxicology, R. Ken Coit College of Pharmacy, University of Arizona, 1703 E Mabel Street, Tucson, Arizona 85721, United States
- Department of Chemistry and Biochemistry, University of Arizona, 1306 E University Blvd., Tucson, Arizona 85721, United States
- University of Arizona Cancer Center, University of Arizona, 3838 N. Campbell Avenue, Tucson, Arizona 85719, United States
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26
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Spitzbarth B, Eelkema R. Chemical reaction networks based on conjugate additions on β'-substituted Michael acceptors. Chem Commun (Camb) 2023; 59:11174-11187. [PMID: 37529876 PMCID: PMC10508045 DOI: 10.1039/d3cc02126b] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/01/2023] [Accepted: 07/25/2023] [Indexed: 08/03/2023]
Abstract
Over the last few decades, the study of more complex, chemical systems closer to those found in nature, and the interactions within those systems, has grown immensely. Despite great efforts, the need for new, versatile, and robust chemistry to apply in CRNs remains. In this Feature Article, we give a brief overview over previous developments in the field of systems chemistry and how β'-substituted Michael acceptors (MAs) can be a great addition to the systems chemist's toolbox. We illustrate their versatility by showcasing a range of examples of applying β'-substituted MAs in CRNs, both as chemical signals and as substrates, to open up the path to many applications ranging from responsive materials, to pathway control in CRNs, drug delivery, analyte detection, and beyond.
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Affiliation(s)
- Benjamin Spitzbarth
- Department of Chemical Engineering, Delft University of Technology, Van der Maasweg 9, 2629 HZ Delft, The Netherlands.
| | - Rienk Eelkema
- Department of Chemical Engineering, Delft University of Technology, Van der Maasweg 9, 2629 HZ Delft, The Netherlands.
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27
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Xia Y, Sun Y, Liu Z, Zhang C, Zhang X. Modular Alcohol Click Chemistry Enables Facile Synthesis of Recyclable Polymers with Tunable Structure. Angew Chem Int Ed Engl 2023; 62:e202306731. [PMID: 37490022 DOI: 10.1002/anie.202306731] [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: 05/12/2023] [Revised: 07/24/2023] [Accepted: 07/25/2023] [Indexed: 07/26/2023]
Abstract
The facile synthesis of chemically recyclable polymers derived from sustainable feedstocks presents enormous challenges. Here, we develop a novel, modular, and efficient click reaction for connecting primary, secondary, or tertiary alcohols with activated alkenes via a bridge molecule of carbonyl sulfide (COS). The click reaction is successfully applied to synthesize a series of recyclable polymers by the step polyaddition of diols, diacrylates, and COS. Diols and diacrylates are common chemicals and can be produced from biorenewable sources, and COS is released as the industrial waste. In addition to sustainable monomers, the approach is atom-economical, wide in scope, metal-free, and performed under mild conditions, affording unprecedented polymers with nearly quantitative yields. The produced polymers also possess predesigned and widely tunable structure owing to the versatility of our method and the broad variety of monomers. The in-chain thiocarbonate and ester polar groups can play as breakpoints, allowing these polymers to be easily recycled. Overall, the polymers have broad prospects for green materials given their facile synthesis, readily available feedstocks, desirable performance, and chemical recyclability.
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Affiliation(s)
- Yanni Xia
- National Key Laboratory of Biobased Transportation Fuel Technology, International Research Center for X Polymers, Department of Polymer Science and Engineering, Zhejiang University, Hangzhou, 310027, China
| | - Yue Sun
- National Key Laboratory of Biobased Transportation Fuel Technology, International Research Center for X Polymers, Department of Polymer Science and Engineering, Zhejiang University, Hangzhou, 310027, China
| | - Ziheng Liu
- National Key Laboratory of Biobased Transportation Fuel Technology, International Research Center for X Polymers, Department of Polymer Science and Engineering, Zhejiang University, Hangzhou, 310027, China
| | - Chengjian Zhang
- National Key Laboratory of Biobased Transportation Fuel Technology, International Research Center for X Polymers, Department of Polymer Science and Engineering, Zhejiang University, Hangzhou, 310027, China
| | - Xinghong Zhang
- National Key Laboratory of Biobased Transportation Fuel Technology, International Research Center for X Polymers, Department of Polymer Science and Engineering, Zhejiang University, Hangzhou, 310027, China
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28
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Shrestha P, Kand D, Weinstain R, Winter AH. meso-Methyl BODIPY Photocages: Mechanisms, Photochemical Properties, and Applications. J Am Chem Soc 2023; 145:17497-17514. [PMID: 37535757 DOI: 10.1021/jacs.3c01682] [Citation(s) in RCA: 17] [Impact Index Per Article: 17.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/05/2023]
Abstract
meso-methyl BODIPY photocages have recently emerged as an exciting new class of photoremovable protecting groups (PPGs) that release leaving groups upon absorption of visible to near-infrared light. In this Perspective, we summarize the development of these PPGs and highlight their critical photochemical properties and applications. We discuss the absorption properties of the BODIPY PPGs, structure-photoreactivity studies, insights into the photoreaction mechanism, the scope of functional groups that can be caged, the chemical synthesis of these structures, and how substituents can alter the water solubility of the PPG and direct the PPG into specific subcellular compartments. Applications that exploit the unique optical and photochemical properties of BODIPY PPGs are also discussed, from wavelength-selective photoactivation to biological studies to photoresponsive organic materials and photomedicine.
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Affiliation(s)
- Pradeep Shrestha
- Department of Chemistry, Iowa State University, Ames, Iowa 50010, United States
| | - Dnyaneshwar Kand
- School of Plant Sciences and Food Security, Tel-Aviv University, Tel-Aviv 6997801, Israel
| | - Roy Weinstain
- School of Plant Sciences and Food Security, Tel-Aviv University, Tel-Aviv 6997801, Israel
| | - Arthur H Winter
- Department of Chemistry, Iowa State University, Ames, Iowa 50010, United States
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29
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Evarts MM, Strong ZH, Krische MJ. Oxetane-, Azetidine-, and Bicyclopentane-Bearing N-Heterocycles from Ynones: Scaffold Diversification via Ruthenium-Catalyzed Oxidative Alkynylation. Org Lett 2023; 25:5907-5910. [PMID: 37527501 PMCID: PMC10445484 DOI: 10.1021/acs.orglett.3c02213] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/03/2023]
Abstract
A process for 3-fold scaffold diversification is achieved via ruthenium-catalyzed oxidative alkynylation of commercially available oxetanols, azetidinols and bicyclopentanols to form α,β-acetylenic ketones (ynones), which are subsequently converted to oxetane-, azetidine- and bicyclopentane-bearing pyrazoles, isoxazoles and pyrimidines. A one-pot oxidative alkynylation-condensation protocol that directly converts azetidinols to azetidine-substituted pyrazoles or pyrimidines is demonstrated.
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Affiliation(s)
- Madeline M Evarts
- University of Texas at Austin, Department of Chemistry, Austin, Texas 78712, United States
| | - Zachary H Strong
- University of Texas at Austin, Department of Chemistry, Austin, Texas 78712, United States
| | - Michael J Krische
- University of Texas at Austin, Department of Chemistry, Austin, Texas 78712, United States
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30
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Köckenberger J, Klemt I, Sauer C, Arkhypov A, Reshetnikov V, Mokhir A, Heinrich MR. Cyanine- and Rhodamine-Derived Alkynes for the Selective Targeting of Cancerous Mitochondria through Radical Thiol-Yne Coupling in Live Cells. Chemistry 2023; 29:e202301340. [PMID: 37171462 DOI: 10.1002/chem.202301340] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2023] [Revised: 05/08/2023] [Accepted: 05/11/2023] [Indexed: 05/13/2023]
Abstract
Despite their long history and their synthetic potential underlined by various recent advances, radical thiol-yne coupling reactions have so far only rarely been exploited for the functionalization of biomolecules, and no examples yet exist for their application in live cells - although natural thiols show widespread occurrence therein. By taking advantage of the particular cellular conditions of mitochondria in cancer cells, we have demonstrated that radical thiol-yne coupling represents a powerful reaction principle for the selective targeting of these organelles. Within our studies, fluorescently labeled reactive alkyne probes were investigated, for which the fluorescent moiety was chosen to enable both mitochondria accumulation as well as highly sensitive detection. After preliminary studies under cell-free conditions, the most promising alkyne-dye conjugates were evaluated in various cellular experiments comprising analysis by flow cytometry and microscopy. All in all, these results pave the way for improved future therapeutic strategies relying on live-cell compatibility and selectivity among cellular compartments.
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Affiliation(s)
- Johannes Köckenberger
- Department of Chemistry and Pharmacy Pharmaceutical Chemistry, Friedrich-Alexander-Universität Erlangen-Nürnberg, Nikolaus-Fiebiger-Str. 10, 91058, Erlangen, Germany
| | - Insa Klemt
- Department of Chemistry and Pharmacy, Organic Chemistry II, Friedrich-Alexander-Universität Erlangen-Nürnberg, Nikolaus-Fiebiger-Str. 10, 91058, Erlangen, Germany
| | - Caroline Sauer
- Department of Chemistry and Pharmacy Pharmaceutical Chemistry, Friedrich-Alexander-Universität Erlangen-Nürnberg, Nikolaus-Fiebiger-Str. 10, 91058, Erlangen, Germany
| | - Anton Arkhypov
- Department of Chemistry and Pharmacy, Organic Chemistry II, Friedrich-Alexander-Universität Erlangen-Nürnberg, Nikolaus-Fiebiger-Str. 10, 91058, Erlangen, Germany
| | - Viktor Reshetnikov
- Department of Chemistry and Pharmacy, Organic Chemistry II, Friedrich-Alexander-Universität Erlangen-Nürnberg, Nikolaus-Fiebiger-Str. 10, 91058, Erlangen, Germany
| | - Andriy Mokhir
- Department of Chemistry and Pharmacy, Organic Chemistry II, Friedrich-Alexander-Universität Erlangen-Nürnberg, Nikolaus-Fiebiger-Str. 10, 91058, Erlangen, Germany
| | - Markus R Heinrich
- Department of Chemistry and Pharmacy Pharmaceutical Chemistry, Friedrich-Alexander-Universität Erlangen-Nürnberg, Nikolaus-Fiebiger-Str. 10, 91058, Erlangen, Germany
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31
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Ahmad MG, Balamurali MM, Chanda K. Click-derived multifunctional metal complexes for diverse applications. Chem Soc Rev 2023; 52:5051-5087. [PMID: 37431583 DOI: 10.1039/d3cs00343d] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/12/2023]
Abstract
The Click reaction that involves Cu(I)-catalyzed azide-alkyne cycloaddition (CuAAC) serves as the most potent and highly dependable tool for the development of many complex architectures. It has paved the way for the synthesis of numerous drug molecules with enhanced synthetic flexibility, reliability, specificity and modularity. It is all about bringing two different molecular entities together to achieve the required molecular properties. The utilization of Click chemistry has been well demonstrated in organic synthesis, particularly in reactions that involve biocompatible precursors. In pharmaceutical research, Click chemistry is extensively utilized for drug delivery applications. The exhibited bio-compatibility and dormancy towards other biological components under cellular environments makes Click chemistry an identified boon in bio-medical research. In this review, various click-derived transition metal complexes are discussed in terms of their applications and uniqueness. The scope of this chemistry towards other streams of applied sciences is also discussed.
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Affiliation(s)
- Md Gulzar Ahmad
- Department of Chemistry, School of Advanced Sciences, Vellore Institute of Technology, Vellore 632014, Tamilnadu, India.
| | - M M Balamurali
- Chemistry Division, School of Advanced Sciences, Vellore Institute of Technology, Chennai campus, Chennai 600127, Tamilnadu, India.
| | - Kaushik Chanda
- Department of Chemistry, School of Advanced Sciences, Vellore Institute of Technology, Vellore 632014, Tamilnadu, India.
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32
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Lu H, Ye H, Zhang M, Liu Z, Zou H, You L. Photoswitchable dynamic conjugate addition-elimination reactions as a tool for light-mediated click and clip chemistry. Nat Commun 2023; 14:4015. [PMID: 37419874 DOI: 10.1038/s41467-023-39669-x] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2022] [Accepted: 06/22/2023] [Indexed: 07/09/2023] Open
Abstract
Phototriggered click and clip reactions can endow chemical processes with high spatiotemporal resolution and sustainability, but are challenging with a limited scope. Herein we report photoswitchable reversible covalent conjugate addition-elimination reactions toward light-addressed modular covalent connection and disconnection. By coupling between photochromic dithienylethene switch and Michael acceptors, the reactivity of Michael reactions was tuned through closed-ring and open-ring forms of dithienylethene, allowing switching on and off dynamic exchange of a wide scope of thiol and amine nucleophiles. The breaking of antiaromaticity in transition states and enol intermediates of addition-elimination reactions provides the driving force for photoinduced change in kinetic barriers. To showcase the versatile application, light-mediated modification of solid surfaces, regulation of amphiphilic assemblies, and creation/degradation of covalent polymers on demand were achieved. The manipulation of dynamic click/clip reactions with light should set the stage for future endeavors, including responsive assemblies, biological delivery, and intelligent materials.
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Affiliation(s)
- Hanwei Lu
- State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, 350002, Fuzhou, Fujian, China
- University of Chinese Academy of Sciences, 100049, Beijing, China
| | - Hebo Ye
- State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, 350002, Fuzhou, Fujian, China
| | - Meilan Zhang
- State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, 350002, Fuzhou, Fujian, China
| | - Zimu Liu
- State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, 350002, Fuzhou, Fujian, China
| | - Hanxun Zou
- State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, 350002, Fuzhou, Fujian, China
| | - Lei You
- State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, 350002, Fuzhou, Fujian, China.
- University of Chinese Academy of Sciences, 100049, Beijing, China.
- Fujian Science & Technology Innovation Laboratory for Optoelectronic Information of China, 350002, Fuzhou, Fujian, China.
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33
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Sarkar A, Mistry S, Bhattacharya S, Natarajan S. Multistep Cascade Catalytic Reactions Employing Bifunctional Framework Compounds. Inorg Chem 2023. [PMID: 37393542 DOI: 10.1021/acs.inorgchem.3c01243] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/04/2023]
Abstract
Multistep cascade reactions are important to achieve atom as well as step economy over conventional synthesis. This approach, however, is limited due to the incompatibility of the available reactive centers in a catalyst. In the present study, new MOF compounds, [Zn2(SDBA)(3-ATZ)2]·solvent, I and II, with tetrahedral Zn centers as good Lewis acidic sites and the free amino group of the 3-amino triazole ligand as a strong Lewis base center were shown to perform 4-step cascade/tandem reaction in a facile manner. Effective conversion of benzaldehyde dimethyl acetal in the presence of excess nitromethane at 100 °C in water to 1-(1,3-dinitropropan-2-yl) benzene was achieved in 10 h with yields of ∼95% (I) and ∼94% (II). This 4-step cascade reaction proceeds via deacetalization (Lewis acid), Henry (Lewis base), and Michael (Lewis base) reactions. The present work highlights the importance of spatially separated functional groups in multistep tandem catalysis─the examples of which are not common.
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Affiliation(s)
- Anupam Sarkar
- Solid State and Structural Chemistry Unit, Framework Solids Laboratory, Indian Institute of Science, Bangalore 560012, India
| | - Subhradeep Mistry
- Department of Chemistry, Hemvati Nandan Bahuguna Garhwal University, SRT Campus, New Tehri 249199, Uttarakhand, India
| | - Saurav Bhattacharya
- Department of Chemistry, BITS Pilani K. K. Birla Goa Campus, Goa 403726, India
| | - Srinivasan Natarajan
- Solid State and Structural Chemistry Unit, Framework Solids Laboratory, Indian Institute of Science, Bangalore 560012, India
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34
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Ortiz E, Evarts MM, Strong ZH, Shezaf JZ, Krische MJ. Ruthenium-Catalyzed C-C Coupling of Terminal Alkynes with Primary Alcohols or Aldehydes: α,β-Acetylenic Ketones (Ynones) via Oxidative Alkynylation. Angew Chem Int Ed Engl 2023; 62:e202303345. [PMID: 37000412 PMCID: PMC10213147 DOI: 10.1002/anie.202303345] [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: 03/07/2023] [Revised: 03/30/2023] [Accepted: 03/31/2023] [Indexed: 04/01/2023]
Abstract
The first metal-catalyzed oxidative alkynylations of primary alcohols or aldehydes to form α,β-acetylenic ketones (ynones) are described. Deuterium labelling studies corroborate a novel reaction mechanism in which alkyne hydroruthenation forms a transient vinylruthenium complex that deprotonates the terminal alkyne to form the active alkynylruthenium nucleophile.
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Affiliation(s)
- Eliezer Ortiz
- University of Texas at Austin, Department of Chemistry, 105 E 24th St. (A5300), Austin, TX 78712-1167 (USA)
| | - Madeline M. Evarts
- University of Texas at Austin, Department of Chemistry, 105 E 24th St. (A5300), Austin, TX 78712-1167 (USA)
| | - Zachary H. Strong
- University of Texas at Austin, Department of Chemistry, 105 E 24th St. (A5300), Austin, TX 78712-1167 (USA)
| | - Jonathan Z. Shezaf
- University of Texas at Austin, Department of Chemistry, 105 E 24th St. (A5300), Austin, TX 78712-1167 (USA)
| | - Michael J. Krische
- University of Texas at Austin, Department of Chemistry, 105 E 24th St. (A5300), Austin, TX 78712-1167 (USA)
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35
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Teng S, Ng EWH, Zhang Z, Soon CN, Xu H, Li R, Hirao H, Loh TP. Alkynone β-trifluoroborates: A new class of amine-specific biocompatible click reagents. SCIENCE ADVANCES 2023; 9:eadg4924. [PMID: 37126553 PMCID: PMC10132755 DOI: 10.1126/sciadv.adg4924] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/03/2023]
Abstract
Amine-targeting reactions that work under biocompatible conditions or in water are green processes that are extremely useful for the synthesis of functional materials and biotherapeutics. Unfortunately, despite the usefulness of this reaction, there are very few good amine-specific click methods reported thus far. Here, we report an amine-specific click reagent using alkynone β-trifluoroborates as the electrophiles. These boron-containing alkynyl reagents exhibit extremely high chemoselectivity toward amines even in the presence of thiols. The resulting oxaboracycle products are bench-stable, displaying the reactivities of both organoborates and enaminones. Intrinsic advantages of this methodology include benign reaction conditions, operational simplicity, remarkable product stability, and excellent chemoselectivity, which satisfy the criteria of click chemistry and demonstrate the high potential in bioconjugation. Hence, this water-based chemical approach is also applicable to the modification of native amino acids, peptides, and proteins. Ultimately, the essential role of water during the reaction was elucidated.
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Affiliation(s)
- Shenghan Teng
- 100 Lianhua Street, Zhongyuan District, Henan University of Technology, Zhengzhou 450001, China
- Division of Chemistry and Biological Chemistry, School of Chemistry Chemical Engineering, and Biotechnology, Nanyang Technological University, 21 Nanyang Link, Singapore 637371, Singapore
| | - Elvis Wang Hei Ng
- Warshel Institute for Computational Biology, School of Life and Health Sciences, School of Medicine, The Chinese University of Hong Kong, Shenzhen, Guangdong 518172, P. R. China
| | - Zhenguo Zhang
- Division of Chemistry and Biological Chemistry, School of Chemistry Chemical Engineering, and Biotechnology, Nanyang Technological University, 21 Nanyang Link, Singapore 637371, Singapore
| | - Chee Ning Soon
- Division of Chemistry and Biological Chemistry, School of Chemistry Chemical Engineering, and Biotechnology, Nanyang Technological University, 21 Nanyang Link, Singapore 637371, Singapore
| | - Hailun Xu
- School of Chemistry and Molecular Engineering, Nanjing Tech University, Nanjing 211816, China
| | - Ruifang Li
- 100 Lianhua Street, Zhongyuan District, Henan University of Technology, Zhengzhou 450001, China
- Division of Chemistry and Biological Chemistry, School of Chemistry Chemical Engineering, and Biotechnology, Nanyang Technological University, 21 Nanyang Link, Singapore 637371, Singapore
| | - Hajime Hirao
- Warshel Institute for Computational Biology, School of Life and Health Sciences, School of Medicine, The Chinese University of Hong Kong, Shenzhen, Guangdong 518172, P. R. China
| | - Teck-Peng Loh
- 100 Lianhua Street, Zhongyuan District, Henan University of Technology, Zhengzhou 450001, China
- Division of Chemistry and Biological Chemistry, School of Chemistry Chemical Engineering, and Biotechnology, Nanyang Technological University, 21 Nanyang Link, Singapore 637371, Singapore
- School of Chemistry and Molecular Engineering, Nanjing Tech University, Nanjing 211816, China
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36
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Ratzenböck K, Fischer SM, Slugovc C. Poly(ether)s derived from oxa-Michael polymerization: a comprehensive review. MONATSHEFTE FUR CHEMIE 2023. [DOI: 10.1007/s00706-023-03049-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 03/31/2023]
Abstract
AbstractPoly(ether)s represent an important class of polymers and are typically formed by ring-opening polymerization, Williamson ether synthesis, or self-condensation of alcohols. The oxa-Michael reaction presents another method to form poly(ether)s with additional functional groups in the polymer backbone starting from di- or triols and electron deficient olefins such as acrylates, sulfones, or acrylamides. However, research on oxa-Michael polymerization is still limited. Herein, we outline the principles of the oxa-Michael polymerization and focus on the synthesis and preparation of poly(ether-sulfone)s, poly(ether-ester)s, poly(ether)s, and poly(ether-amide)s. Further, challenges as well as future perspectives of the oxa-Michael polymerization are discussed.
Graphical abstract
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37
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Jiang S, Huang H. Mechanism-Guided Design of Chain-Growth Click Polymerization Based on a Thiol-Michael Reaction. Angew Chem Int Ed Engl 2023; 62:e202217895. [PMID: 36734515 DOI: 10.1002/anie.202217895] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2022] [Revised: 02/03/2023] [Accepted: 02/03/2023] [Indexed: 02/04/2023]
Abstract
The development of chain-growth click polymerization is challenging yet desirable in modern polymer chemistry. In this work, we reported a novel chain-growth click polymerization based on the thiol-Michael reaction. This polymerization could be performed efficiently under ambient conditions and spatiotemporally regulated by ultraviolet light, allowing the synthesis of sulfur-containing polymers in excellent yields and high molecular weights. Density functional theory calculations indicated that the thiolate addition to the Michael acceptor is the rate-determining step, and introducing the phenyl group could facilitate the chain-growth process. This polymerization is a new type of chain-growth click polymerization, which will provide a unique approach to creating functional polymers.
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Affiliation(s)
- Suqiu Jiang
- School of Materials Science and Engineering, Sun Yat-Sen University, Guangzhou, 510006, China
| | - Hanchu Huang
- School of Materials Science and Engineering, Sun Yat-Sen University, Guangzhou, 510006, China
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38
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Ye Q, Huang W, Wei L, Cai M. Recyclable Copper(I)-Catalyzed Cross-Coupling of Trialkylsilylethynes and N-Tosylhydrazones Leading to the Formation of C(sp)-C(sp 3) Bonds. J Org Chem 2023. [PMID: 36787648 DOI: 10.1021/acs.joc.2c02691] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/16/2023]
Abstract
A highly efficient heterogeneous copper(I)-catalyzed cross-coupling of trialkylsilylethynes with N-tosylhydrazones has been achieved in dioxane at 90-110 °C via the Cu carbene migratory insertion with an SBA-15-immobilized l-proline-Cu(I) complex [SBA-15-l-Proline-CuI] as the catalyst and LiOtBu as the base, leading to the formation of C(sp)-C(sp3) bonds. The reaction generates a wide variety of alkyltrialkylsilylalkynes in moderate to high yields. This new heterogenized copper(I) complex exhibits a comparable catalytic efficiency to homogeneous CuI and can be easily recovered through a simple centrifugation process and is recyclable up to 12 times without a remarkable loss of activity.
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Affiliation(s)
- Qian Ye
- Key Lab of Fluorine and Silicon for Energy Materials and Chemistry of Ministry of Education and College of Chemistry & Chemical Engineering, Jiangxi Normal University, Nanchang 330022, China
| | - Wencheng Huang
- Key Lab of Fluorine and Silicon for Energy Materials and Chemistry of Ministry of Education and College of Chemistry & Chemical Engineering, Jiangxi Normal University, Nanchang 330022, China
| | - Li Wei
- Key Lab of Fluorine and Silicon for Energy Materials and Chemistry of Ministry of Education and College of Chemistry & Chemical Engineering, Jiangxi Normal University, Nanchang 330022, China
| | - Mingzhong Cai
- Key Lab of Fluorine and Silicon for Energy Materials and Chemistry of Ministry of Education and College of Chemistry & Chemical Engineering, Jiangxi Normal University, Nanchang 330022, China
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39
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Bąchor U, Junka A, Brożyna M, Mączyński M. The In Vitro Impact of Isoxazole Derivatives on Pathogenic Biofilm and Cytotoxicity of Fibroblast Cell Line. Int J Mol Sci 2023; 24:2997. [PMID: 36769319 PMCID: PMC9917413 DOI: 10.3390/ijms24032997] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2022] [Revised: 01/24/2023] [Accepted: 01/31/2023] [Indexed: 02/05/2023] Open
Abstract
The microbial, biofilm-based infections of chronic wounds are one of the major challenges of contemporary medicine. The use of topically administered antiseptic agents is essential to treat wound-infecting microorganisms. Due to observed microbial tolerance/resistance against specific clinically-used antiseptics, the search for new, efficient agents is of pivotal meaning. Therefore, in this work, 15 isoxazole derivatives were scrutinized against leading biofilm wound pathogens Staphylococcus aureus and Pseudomonas aeruginosa, and against Candida albicans fungus. For this purpose, the minimal inhibitory concentration, biofilm reduction in microtitrate plates, modified disk diffusion methods and antibiofilm dressing activity measurement methods were applied. Moreover, the cytotoxicity and cytocompatibility of derivatives was tested toward wound bed-forming cells, referred to as fibroblasts, using normative methods. Obtained results revealed that all isoxazole derivatives displayed antimicrobial activity and low cytotoxic effect, but antimicrobial activity of two derivatives, 2-(cyclohexylamino)-1-(5-nitrothiophen-2-yl)-2-oxoethyl 5-amino-3-methyl-1,2-oxazole-4-carboxylate (PUB9) and 2-(benzylamino)-1-(5-nitrothiophen-2-yl)-2-oxoethyl 5-amino-3-methyl-1,2-oxazole-4-carboxylate (PUB10), was noticeably higher compared to the other compounds analyzed, especially PUB9 with regard to Staphylococcus aureus, with a minimal inhibitory concentration more than x1000 lower compared to the remaining derivatives. The PUB9 and PUB10 derivatives were able to reduce more than 90% of biofilm-forming cells, regardless of the species, displaying at the same time none (PUB9) or moderate (PUB10) cytotoxicity against fibroblasts and high (PUB9) or moderate (PUB10) cytocompatibility against these wound cells. Therefore, taking into consideration the clinical demand for new antiseptic agents for non-healing wound treatment, PUB9 seems to be a promising candidate to be further tested in advanced animal models and later, if satisfactory results are obtained, in the clinical setting.
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Affiliation(s)
- Urszula Bąchor
- Department of Organic Chemistry and Drug Technology, Faculty of Pharmacy, Wroclaw Medical University, 50-556 Wroclaw, Poland
| | - Adam Junka
- Unique Application Model Laboratory, Department of Pharmaceutical Microbiology and Parasitology, Faculty of Pharmacy, Wroclaw Medical University, 50-556 Wroclaw, Poland
| | - Malwina Brożyna
- Unique Application Model Laboratory, Department of Pharmaceutical Microbiology and Parasitology, Faculty of Pharmacy, Wroclaw Medical University, 50-556 Wroclaw, Poland
| | - Marcin Mączyński
- Department of Organic Chemistry and Drug Technology, Faculty of Pharmacy, Wroclaw Medical University, 50-556 Wroclaw, Poland
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40
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Kuenen MK, Cuomo AM, Gray VP, Letteri RA. Net anionic poly(β-amino ester)s: synthesis, pH-dependent behavior, and complexation with cationic cargo. Polym Chem 2023; 14:421-431. [PMID: 37842180 PMCID: PMC10569340 DOI: 10.1039/d2py01319c] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/17/2023]
Abstract
As hydrolytically-labile, traditionally-cationic polymers, poly(β-amino ester)s (PBAEs) adeptly complex anionic compounds such as nucleic acids, and release their cargo as the polymer degrades. To engineer fully-degradable polyelectrolyte complexes and delivery vehicles for cationic therapeutics, we sought to invert PBAE net charge to generate net anionic PBAEs. Since PBAEs can carry up to a net charge of +1 per tertiary amine, we synthesized a series of alkyne-functionalized PBAEs that allowed installation of 2 anionic thiol-containing molecules per tertiary amine via a radical thiol-yne reaction. Finding dialysis in aqueous solution to lead to PBAE degradation, we developed a preparative size exclusion chromatography method to remove unreacted thiol from the net anionic PBAEs without triggering hydrolysis. The net anionic PBAEs display non-monotonic solution behavior as a function of pH, being more soluble at pH 4 and 10 than in intermediate pH ranges. Like cationic PBAEs, these net anionic PBAEs degrade in aqueous environments with hydrophobic content-dependent hydrolysis, as determined by 1H NMR spectroscopy. Further, these net anionic PBAEs form complexes with the cationic peptide (GR)10, which disintegrate over time as the polymer hydrolyzes. Together, these studies outline a synthesis and purification route to make previously inaccessible net anionic PBAEs with tunable solution and degradation behavior, allowing for user-determined complexation and release rates and providing opportunities for degradable polyelectrolyte complexes and cationic therapeutic delivery.
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Affiliation(s)
- Mara K Kuenen
- Department of Chemical Engineering, University of Virginia, Charlottesville, VA, 22903, USA
| | - Alexa M Cuomo
- Department of Chemical Engineering, University of Virginia, Charlottesville, VA, 22903, USA
| | - Vincent P Gray
- Department of Chemical Engineering, University of Virginia, Charlottesville, VA, 22903, USA
| | - Rachel A Letteri
- Department of Chemical Engineering, University of Virginia, Charlottesville, VA, 22903, USA
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41
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Metal-free multicomponent polymerization of activated diyne, electrophilic styrene and isocyanide towards highly substituted and functional poly(cyclopentadiene). Sci China Chem 2023. [DOI: 10.1007/s11426-022-1467-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]
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42
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Barkhordari A, Jafari-Gharabaghlou D, Turk Z, Zarghami N. Potential Anti-Cancer Effect of Helenalin as a Natural Bioactive Compound on the Growth and Telomerase Gene Expression in Breast Cancer Cell Line. Asian Pac J Cancer Prev 2023; 24:133-140. [PMID: 36708561 PMCID: PMC10152844 DOI: 10.31557/apjcp.2023.24.1.133] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/21/2022] [Indexed: 05/04/2023] Open
Abstract
OBJECTIVE The telomerase gene is overexpressed in the majority of tumors and cancers compared to normal and healthy cells, and on the other hand, this enzymatic protein is overactive, therefore, the telomerase enzyme is considered a primary target for diagnostic and therapeutic purposes in most cancers. This has been hypothesized that Helenalin has anti-telomerase activity in a wide range of cancers and Tumor tissues. In this study, we investigated the inhibitory effect of helenalin extract on telomerase gene expression in the T47D breast cancer cell line. METHODS We used the MTT assay to evaluate the cytotoxic effect of different concentrations of helenalin on the T47D breast cancer cell line at 24, 48, and 72 hours. Besides, the expression of the hTERT gene in T47D cell lines treated with 1.0 and 5.0 µM helenalin after 24, 48, and 72 h incubation times was investigated through real-time PCR. RESULTS According to the MTT assay, the inhibitory effect of helenalin on T47D cell proliferation is time and dose-dependent. Moreover, the results of Real-time PCR showed that exposure of T47D cell lines to helenalin led to a significant Decreasing in the expressional values of the hTERT gene as a time and dose-dependent procedure compared with the control group (P ≤ 0.05). CONCLUSION These preliminary results demonstrated the cytotoxic potential of helenalin through inhibition of hTERT against T47D breast cancer cells.
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Affiliation(s)
- Amin Barkhordari
- Cellular and Molecular Research Center, Grash University of Medical Sciences, Iran
| | - Davoud Jafari-Gharabaghlou
- Department of Clinical Biochemistry and Laboratory Medicine, Faculty of Medicine, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Zeynep Turk
- Department of Medicine, Faculty of Medicine, Istanbul Aydin University, Istanbul, Turkey
| | - Nosratollah Zarghami
- Department of Medical Biochemistry, Faculty of Medicine, Istanbul Aydin University, Istanbul, Turkey
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43
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Han B, Li W, Chen S, Zhang Z, Zhao X, Zhang Y, Zhu L. Recent Advances in Copper-Catalyzed Silyl Addition of Unsaturated Compounds. CHINESE J ORG CHEM 2023. [DOI: 10.6023/cjoc202207043] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/02/2023]
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44
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Kang KS, Olikagu C, Lee T, Bao J, Molineux J, Holmen LN, Martin KP, Kim KJ, Kim KH, Bang J, Kumirov VK, Glass RS, Norwood RA, Njardarson JT, Pyun J. Sulfenyl Chlorides: An Alternative Monomer Feedstock from Elemental Sulfur for Polymer Synthesis. J Am Chem Soc 2022; 144:23044-23052. [DOI: 10.1021/jacs.2c10317] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Affiliation(s)
- Kyung-Seok Kang
- Department of Chemistry and Biochemistry, University of Arizona, Tucson, Arizona 85721, United States
| | - Chisom Olikagu
- Department of Chemistry and Biochemistry, University of Arizona, Tucson, Arizona 85721, United States
| | - Taeheon Lee
- Department of Chemistry and Biochemistry, University of Arizona, Tucson, Arizona 85721, United States
| | - Jianhua Bao
- Department of Chemistry and Biochemistry, University of Arizona, Tucson, Arizona 85721, United States
| | - Jake Molineux
- Department of Chemistry and Biochemistry, University of Arizona, Tucson, Arizona 85721, United States
| | - Lindsey N. Holmen
- Department of Chemistry and Biochemistry, University of Arizona, Tucson, Arizona 85721, United States
| | - Kaitlyn P. Martin
- Department of Chemistry and Biochemistry, University of Arizona, Tucson, Arizona 85721, United States
| | - Kyung-Jo Kim
- James C. Wyant College of Optical Sciences, University of Arizona, Tucson, Arizona 85721, United States
| | - Ki Hyun Kim
- Department of Chemical & Biological Engineering, Korea University, Seoul 136-713, Republic of Korea
| | - Joona Bang
- Department of Chemical & Biological Engineering, Korea University, Seoul 136-713, Republic of Korea
| | - Vlad K. Kumirov
- Department of Chemistry and Biochemistry, University of Arizona, Tucson, Arizona 85721, United States
| | - Richard S. Glass
- Department of Chemistry and Biochemistry, University of Arizona, Tucson, Arizona 85721, United States
| | - Robert A. Norwood
- James C. Wyant College of Optical Sciences, University of Arizona, Tucson, Arizona 85721, United States
| | - Jon T. Njardarson
- Department of Chemistry and Biochemistry, University of Arizona, Tucson, Arizona 85721, United States
| | - Jeffrey Pyun
- Department of Chemistry and Biochemistry, University of Arizona, Tucson, Arizona 85721, United States
- James C. Wyant College of Optical Sciences, University of Arizona, Tucson, Arizona 85721, United States
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45
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Santos T, Pérez-Pérez Y, Rivero DS, Diana-Rivero R, García-Tellado F, Tejedor D, Carrillo R. Dynamic Hydroxyl-Yne Reaction with Phenols. Org Lett 2022; 24:8401-8405. [PMID: 36350079 PMCID: PMC10443044 DOI: 10.1021/acs.orglett.2c03518] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2022] [Indexed: 11/11/2022]
Abstract
Dynamic Covalent Chemistry (DCvC) has gained increasing importance in supramolecular chemistry and materials science. Herein we prove the dynamic nature of the exchange between phenols and vinyl ethers. Exchange is fast at room temperature and under mild conditions. The equilibrium constants and the electronic effect of the phenol substituents were calculated. This novel incorporation to the DCvC toolbox could be quite useful, and as a proof it was used for the synthesis of a responsive molecular cage.
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Affiliation(s)
- Tanausú Santos
- Instituto
Universitario de Bio-Orgánica Antonio González (IUBO),
Universidad de La Laguna, P.O. Box 456, 38206 La Laguna, Tenerife, Spain
| | - Yaiza Pérez-Pérez
- Instituto
de Productos Naturales y Agrobiología (IPNA-CSIC), Avda. Astrofísico Fco. Sánchez
3, 38206 La Laguna, Spain
| | - David S. Rivero
- Instituto
de Productos Naturales y Agrobiología (IPNA-CSIC), Avda. Astrofísico Fco. Sánchez
3, 38206 La Laguna, Spain
| | - Raquel Diana-Rivero
- Instituto
de Productos Naturales y Agrobiología (IPNA-CSIC), Avda. Astrofísico Fco. Sánchez
3, 38206 La Laguna, Spain
| | - Fernando García-Tellado
- Instituto
de Productos Naturales y Agrobiología (IPNA-CSIC), Avda. Astrofísico Fco. Sánchez
3, 38206 La Laguna, Spain
| | - David Tejedor
- Instituto
de Productos Naturales y Agrobiología (IPNA-CSIC), Avda. Astrofísico Fco. Sánchez
3, 38206 La Laguna, Spain
| | - Romen Carrillo
- Instituto
de Productos Naturales y Agrobiología (IPNA-CSIC), Avda. Astrofísico Fco. Sánchez
3, 38206 La Laguna, Spain
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Fritz-Langhals E. Unique Superbase TBD (1,5,7-Triazabicyclo[4.4.0]dec-5-ene): From Catalytic Activity and One-Pot Synthesis to Broader Application in Industrial Chemistry. Org Process Res Dev 2022. [DOI: 10.1021/acs.oprd.2c00248] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Elke Fritz-Langhals
- Department of Chemistry, Technical University of Munich (TUM), Lichtenbergstraße 4, D-85747 Garching, Germany
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47
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Bruña S, Valverde-González A, Montero-Campillo MM, Mó O, Cuadrado I. Thiol-yne chemistry of diferrocenylacetylene: from synthesis and electrochemistry to theoretical studies. Dalton Trans 2022; 51:15412-15424. [PMID: 36156664 DOI: 10.1039/d2dt02378d] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The thiol-yne coupling chemistry of diferrocenylacetylene (FcCCFc) 1, bearing two electron rich and redox-active ferrocenyl units (Fc = Fe(η5-C5H4)(η5-C5H5)) and an internal triple bond, has been investigated for the first time. In order to determine whether steric limitations might affect hydrothiolation, a model reaction using a functionalized monothiol was tested, namely 2-mercaptoethanol I. The thiol-diferrocenylacetylene reactions were initiated either thermally (in toluene with AIBN) or by UV light irradiation (in THF and in the presence of DMPA as the photoinitiator). The outcomes of these thiol-yne reactions showed a strong dependence on the initiation method used, with the thermally initiated one being the most efficient. These thiol-diferrocenylacetylene reactions mainly afforded the (Z)-stereoisomer of the newly obtained vinyl thioether sulfide FcCHC(Fc)S-(CH2)2OH (2), unlike the more common (E)-vinyl sulfides found in other additions to alkynes. The hydrothiolation of the internal -CC- bond in 1 was successfully extended to dithiol 2,2'-(ethylenedioxy)diethanethiol II, leading to the formation of the (ZZ)-isomer, with four ferrocenyl units, as the major product. According to the electrochemical studies, the new asymmetrical ferrocenyl-vinyl sulfides show iron-iron electronic and electrostatic interactions. Theoretical results for the (Z)-stereoisomer (2) suggest that adiabatic oxidation would lead to the loss of almost one electron on the ferrocenyl subunit closer to the thioether chain. Furthermore, the thiol-yne chemistry of the internal -CC- bond in diferrocenylacetylene has been compared to the external triple bond in ethynylferrocene, the theoretical results of which helped us to rationalize the very different reactivities observed in both metallocenes.
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Affiliation(s)
- Sonia Bruña
- Departamento de Química Inorgánica, Facultad de Ciencias, Calle Francisco Tomás y Valiente, 7, Universidad Autónoma de Madrid, Ciudad Universitaria de Cantoblanco, 28049, Madrid, Spain. .,Institute for Advanced Research in Chemical Sciences (IAdChem), Facultad de Ciencias, Calle Francisco Tomás y Valiente, 7, Universidad Autónoma de Madrid, Ciudad Universitaria de Cantoblanco, 28049, Madrid, Spain
| | - Antonio Valverde-González
- Departamento de Química Inorgánica, Facultad de Ciencias, Calle Francisco Tomás y Valiente, 7, Universidad Autónoma de Madrid, Ciudad Universitaria de Cantoblanco, 28049, Madrid, Spain.
| | - M Merced Montero-Campillo
- Departamento de Química, Facultad de Ciencias, Calle Francisco Tomás y Valiente, 7, Universidad Autónoma de Madrid, Ciudad Universitaria de Cantoblanco, 28049, Madrid, Spain
| | - Otilia Mó
- Institute for Advanced Research in Chemical Sciences (IAdChem), Facultad de Ciencias, Calle Francisco Tomás y Valiente, 7, Universidad Autónoma de Madrid, Ciudad Universitaria de Cantoblanco, 28049, Madrid, Spain.,Departamento de Química, Facultad de Ciencias, Calle Francisco Tomás y Valiente, 7, Universidad Autónoma de Madrid, Ciudad Universitaria de Cantoblanco, 28049, Madrid, Spain
| | - Isabel Cuadrado
- Departamento de Química Inorgánica, Facultad de Ciencias, Calle Francisco Tomás y Valiente, 7, Universidad Autónoma de Madrid, Ciudad Universitaria de Cantoblanco, 28049, Madrid, Spain. .,Institute for Advanced Research in Chemical Sciences (IAdChem), Facultad de Ciencias, Calle Francisco Tomás y Valiente, 7, Universidad Autónoma de Madrid, Ciudad Universitaria de Cantoblanco, 28049, Madrid, Spain
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49
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Lossouarn A, Puteaux C, Bailly L, Tognetti V, Joubert L, Renard P, Sabot C. Metalloenzyme‐Mediated Thiol‐Yne Addition Towards Photoisomerizable Fluorescent Dyes. Chemistry 2022; 28:e202202180. [DOI: 10.1002/chem.202202180] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2022] [Indexed: 11/10/2022]
Affiliation(s)
- Alexis Lossouarn
- Normandie Univ, CNRS, UNIROUEN, INSA Rouen, COBRA (UMR 6014) Rouen 76000 France
| | - Chloé Puteaux
- Normandie Univ, CNRS, UNIROUEN, INSA Rouen, COBRA (UMR 6014) Rouen 76000 France
| | - Laetitia Bailly
- Normandie Univ, CNRS, UNIROUEN, INSA Rouen, COBRA (UMR 6014) Rouen 76000 France
| | - Vincent Tognetti
- Normandie Univ, CNRS, UNIROUEN, INSA Rouen, COBRA (UMR 6014) Rouen 76000 France
| | - Laurent Joubert
- Normandie Univ, CNRS, UNIROUEN, INSA Rouen, COBRA (UMR 6014) Rouen 76000 France
| | - Pierre‐Yves Renard
- Normandie Univ, CNRS, UNIROUEN, INSA Rouen, COBRA (UMR 6014) Rouen 76000 France
| | - Cyrille Sabot
- Normandie Univ, CNRS, UNIROUEN, INSA Rouen, COBRA (UMR 6014) Rouen 76000 France
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50
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Hybrid polymer networks of carbene and thiol ene. Eur Polym J 2022. [DOI: 10.1016/j.eurpolymj.2022.111502] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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