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Synthesis and biological evaluation of 1,6-bis-triazole-2,3,4-tri-O-benzyl-α-d-glucopyranosides as a novel α-glucosidase inhibitor in the treatment of Type 2 diabetes. Bioorg Med Chem Lett 2021; 50:128331. [PMID: 34418573 DOI: 10.1016/j.bmcl.2021.128331] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2021] [Revised: 08/12/2021] [Accepted: 08/15/2021] [Indexed: 11/21/2022]
Abstract
A novel series of 1,6-bis-triazole-benzyl-α-glucoside derivatives (7a-7ee) were designed, synthesized and evaluated for inhibitory activity against α-glucosidase. Most of the synthesized compounds exhibited good activity with IC50 ranging from 3.73 µM to 53.34 µM and are more potent than the standard drug acarbose (IC50 = 146.25 ± 0.40 µM). SARs study showed the ester and menthol moiety play an important role in the inhibitory activity. The molecular docking model of the potent compounds 7f, 7z, 7cc and 7dd showed good binding energy and interacts well with amino acid residues around the active site of the enzyme, which confirmed the in vitro activity results.
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2
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Chaidam S, Saehlim N, Suksen K, Chairoungdua A, Saeeng R. Design, Synthesis, Evaluation and Molecular Docking Studies of 1,6‐Bis‐triazole‐Linked
α
‐Galactoside Derivatives as Potential Anticancer Agents. ChemistrySelect 2021. [DOI: 10.1002/slct.202102288] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Affiliation(s)
- Suksamran Chaidam
- Department of Chemistry and Center for Innovation in Chemistry Faculty of Science Burapha University, Longhaad Bangsaen Rd. Chonburi 20131 Thailand
| | - Natthiya Saehlim
- Department of Chemistry and Center for Innovation in Chemistry Faculty of Science Burapha University, Longhaad Bangsaen Rd. Chonburi 20131 Thailand
- The Research Unit in Synthetic Compounds and Synthetic Analogues from Natural Product for Drug Discovery (RSND) Burapha University Longhaad Bangsaen Rd. Chonburi 20131 Thailand
| | - Kanoknetr Suksen
- Department of Physiology, Faculty of Science Mahidol University Bangkok 10400 Thailand
| | - Arthit Chairoungdua
- Department of Physiology, Faculty of Science Mahidol University Bangkok 10400 Thailand
| | - Rungnapha Saeeng
- Department of Chemistry and Center for Innovation in Chemistry Faculty of Science Burapha University, Longhaad Bangsaen Rd. Chonburi 20131 Thailand
- The Research Unit in Synthetic Compounds and Synthetic Analogues from Natural Product for Drug Discovery (RSND) Burapha University Longhaad Bangsaen Rd. Chonburi 20131 Thailand
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3
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Agrahari AK, Bose P, Jaiswal MK, Rajkhowa S, Singh AS, Hotha S, Mishra N, Tiwari VK. Cu(I)-Catalyzed Click Chemistry in Glycoscience and Their Diverse Applications. Chem Rev 2021; 121:7638-7956. [PMID: 34165284 DOI: 10.1021/acs.chemrev.0c00920] [Citation(s) in RCA: 159] [Impact Index Per Article: 53.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
Copper(I)-catalyzed 1,3-dipolar cycloaddition between organic azides and terminal alkynes, commonly known as CuAAC or click chemistry, has been identified as one of the most successful, versatile, reliable, and modular strategies for the rapid and regioselective construction of 1,4-disubstituted 1,2,3-triazoles as diversely functionalized molecules. Carbohydrates, an integral part of living cells, have several fascinating features, including their structural diversity, biocompatibility, bioavailability, hydrophilicity, and superior ADME properties with minimal toxicity, which support increased demand to explore them as versatile scaffolds for easy access to diverse glycohybrids and well-defined glycoconjugates for complete chemical, biochemical, and pharmacological investigations. This review highlights the successful development of CuAAC or click chemistry in emerging areas of glycoscience, including the synthesis of triazole appended carbohydrate-containing molecular architectures (mainly glycohybrids, glycoconjugates, glycopolymers, glycopeptides, glycoproteins, glycolipids, glycoclusters, and glycodendrimers through regioselective triazole forming modular and bio-orthogonal coupling protocols). It discusses the widespread applications of these glycoproducts as enzyme inhibitors in drug discovery and development, sensing, gelation, chelation, glycosylation, and catalysis. This review also covers the impact of click chemistry and provides future perspectives on its role in various emerging disciplines of science and technology.
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Affiliation(s)
- Anand K Agrahari
- Department of Chemistry, Institute of Science, Banaras Hindu University, Varanasi, Uttar Pradesh 221005, India
| | - Priyanka Bose
- Department of Chemistry, Institute of Science, Banaras Hindu University, Varanasi, Uttar Pradesh 221005, India
| | - Manoj K Jaiswal
- Department of Chemistry, Institute of Science, Banaras Hindu University, Varanasi, Uttar Pradesh 221005, India
| | - Sanchayita Rajkhowa
- Department of Chemistry, Jorhat Institute of Science and Technology (JIST), Jorhat, Assam 785010, India
| | - Anoop S Singh
- Department of Chemistry, Institute of Science, Banaras Hindu University, Varanasi, Uttar Pradesh 221005, India
| | - Srinivas Hotha
- Department of Chemistry, Indian Institute of Science and Engineering Research (IISER), Pune, Maharashtra 411021, India
| | - Nidhi Mishra
- Department of Chemistry, Institute of Science, Banaras Hindu University, Varanasi, Uttar Pradesh 221005, India
| | - Vinod K Tiwari
- Department of Chemistry, Institute of Science, Banaras Hindu University, Varanasi, Uttar Pradesh 221005, India
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4
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Bautista-Hernández CI, Negrón-Silva GE, Santillán R, Vergara-Arenas BI, Ángeles-Beltrán D, Lomas-Romero L, Pérez-Martínez D. Design and synthesis of new carbohydrate-lithocholic acid conjugates linked via 1,2,3-triazole rings. Tetrahedron 2018. [DOI: 10.1016/j.tet.2018.03.008] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
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5
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Hu Y, Shen H, Zhang X, Liu Y, Sun X. Synthesis and spectroscopic investigation of a novel sensitive and selective fluorescent chemosensor for Ag+based on a BINOL–glucose derivative. RSC Adv 2018; 8:23252-23256. [PMID: 35540164 PMCID: PMC9081579 DOI: 10.1039/c8ra04429e] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2018] [Accepted: 06/12/2018] [Indexed: 11/21/2022] Open
Abstract
Based on a versatile 2,2′-binaphthol (BINOL) backbone, a novel BINOL–glucose derivative fluorescent sensor was synthesized using a click reaction. The fluorescence responses of the BINOL–glucose derivative (S,β-d)-1 conclude that it can be used as a specific fluorescent chemical sensor for Ag+ in the presence of a large number of competing metal ions without any obvious interference from other metal ions. Mass spectrometric and NMR spectroscopic data were used to study the mechanism, and implied the formation of a 1 + 1 complex between BINOL–glucose 1 and Ag+. Both the oxygen atoms of S-BINOL and two nitrogen atoms of triazole were involved in coordinating the silver ion. A BINOL–glucose derivative fluorescent sensor was synthesized to detect only Ag+ with high selectivity and sensitivity in a 1 + 1 formation.![]()
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Affiliation(s)
- Yu Hu
- Jiangxi Key Laboratory of Organic Chemistry
- Jiangxi Science and Technology Normal University
- Nanchang
- China
- College of Chemistry
| | - Huayin Shen
- Jiangxi Key Laboratory of Organic Chemistry
- Jiangxi Science and Technology Normal University
- Nanchang
- China
| | - Xiaohan Zhang
- Jiangxi Key Laboratory of Organic Chemistry
- Jiangxi Science and Technology Normal University
- Nanchang
- China
| | - Yang Liu
- Jiangxi Key Laboratory of Organic Chemistry
- Jiangxi Science and Technology Normal University
- Nanchang
- China
| | - Xiaoxia Sun
- Jiangxi Key Laboratory of Organic Chemistry
- Jiangxi Science and Technology Normal University
- Nanchang
- China
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6
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A new procedure for synthesis of $$\upalpha $$ α -aminophosphonates by aqueous formic acid as an effective and environment-friendly organocatalyst. J CHEM SCI 2017. [DOI: 10.1007/s12039-017-1394-z] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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7
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The design strategy of selective PTP1B inhibitors over TCPTP. Bioorg Med Chem 2016; 24:3343-52. [PMID: 27353889 DOI: 10.1016/j.bmc.2016.06.035] [Citation(s) in RCA: 34] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2016] [Revised: 06/16/2016] [Accepted: 06/17/2016] [Indexed: 02/01/2023]
Abstract
Protein tyrosine phosphatase 1B (PTP1B) has already been well studied as a highly validated therapeutic target for diabetes and obesity. However, the lack of selectivity limited further studies and clinical applications of PTP1B inhibitors, especially over T-cell protein tyrosine phosphatase (TCPTP). In this review, we enumerate the published specific inhibitors of PTP1B, discuss the structure-activity relationships by analysis of their X-ray structures or docking results, and summarize the characteristic of selectivity related residues and groups. Furthermore, the design strategy of selective PTP1B inhibitors over TCPTP is also proposed. We hope our work could provide an effective way to gain specific PTP1B inhibitors.
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8
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He XP, Zeng YL, Zang Y, Li J, Field RA, Chen GR. Carbohydrate CuAAC click chemistry for therapy and diagnosis. Carbohydr Res 2016; 429:1-22. [DOI: 10.1016/j.carres.2016.03.022] [Citation(s) in RCA: 92] [Impact Index Per Article: 11.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2016] [Revised: 03/22/2016] [Accepted: 03/23/2016] [Indexed: 12/12/2022]
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9
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Tiwari VK, Mishra BB, Mishra KB, Mishra N, Singh AS, Chen X. Cu-Catalyzed Click Reaction in Carbohydrate Chemistry. Chem Rev 2016; 116:3086-240. [PMID: 26796328 DOI: 10.1021/acs.chemrev.5b00408] [Citation(s) in RCA: 539] [Impact Index Per Article: 67.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
Cu(I)-catalyzed azide-alkyne 1,3-dipolar cycloaddition (CuAAC), popularly known as the "click reaction", serves as the most potent and highly dependable tool for facile construction of simple to complex architectures at the molecular level. Click-knitted threads of two exclusively different molecular entities have created some really interesting structures for more than 15 years with a broad spectrum of applicability, including in the fascinating fields of synthetic chemistry, medicinal science, biochemistry, pharmacology, material science, and catalysis. The unique properties of the carbohydrate moiety and the advantages of highly chemo- and regioselective click chemistry, such as mild reaction conditions, efficient performance with a wide range of solvents, and compatibility with different functionalities, together produce miraculous neoglycoconjugates and neoglycopolymers with various synthetic, biological, and pharmaceutical applications. In this review we highlight the successful advancement of Cu(I)-catalyzed click chemistry in glycoscience and its applications as well as future scope in different streams of applied sciences.
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Affiliation(s)
- Vinod K Tiwari
- Department of Chemistry, Centre of Advanced Study, Institute of Science, Banaras Hindu University , Varanasi, Uttar Pradesh-221005, India
| | - Bhuwan B Mishra
- Department of Chemistry, Centre of Advanced Study, Institute of Science, Banaras Hindu University , Varanasi, Uttar Pradesh-221005, India
| | - Kunj B Mishra
- Department of Chemistry, Centre of Advanced Study, Institute of Science, Banaras Hindu University , Varanasi, Uttar Pradesh-221005, India
| | - Nidhi Mishra
- Department of Chemistry, Centre of Advanced Study, Institute of Science, Banaras Hindu University , Varanasi, Uttar Pradesh-221005, India
| | - Anoop S Singh
- Department of Chemistry, Centre of Advanced Study, Institute of Science, Banaras Hindu University , Varanasi, Uttar Pradesh-221005, India
| | - Xi Chen
- Department of Chemistry, One Shields Avenue, University of California-Davis , Davis, California 95616, United States
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Shamim A, Souza FB, Trossini GHG, Gatti FM, Stefani HA. Synthesis of C-glycosyl-bis-1,2,3-triazole derivatives from 3,4,6-tri- $$\varvec{O}$$ O -acetyl-D-glucal. Mol Divers 2015; 19:423-34. [DOI: 10.1007/s11030-014-9564-0] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2014] [Accepted: 12/22/2014] [Indexed: 10/24/2022]
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12
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Cheng CY, Feng YY, Zang Y, Li J, He XP, Chen GR. Identification of a new bis-amino acid glycoside selectively toxic to multiple myeloma cells. Carbohydr Res 2014; 394:39-42. [DOI: 10.1016/j.carres.2014.05.014] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2013] [Revised: 05/19/2014] [Accepted: 05/19/2014] [Indexed: 10/25/2022]
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Abstract
SIGNIFICANCE Protein tyrosine phosphatases (PTPs) are important enzymes that are involved in the regulation of cellular signaling. Evidence accumulated over the years has indicated that PTPs present exciting opportunities for drug discovery against diseases such as diabetes, cancer, autoimmune diseases, and tuberculosis. However, the highly conserved and partially positive charge of the catalytic sites of PTPs is a major challenge in the development of potent and highly selective PTP inhibitors. RECENT ADVANCES Here, we examine the strategy of developing bidentate inhibitors for selective inhibition of PTPs. Bidentate inhibitors are small-molecular-weight compounds with the ability to bind to both the active site and a non-conserved secondary phosphate binding site. This secondary phosphate binding site was initially discovered in protein tyrosine phosphatase 1B (PTP1B), and, hence, most of the bidentate inhibitors reported in this review are PTP1B inhibitors. CRITICAL ISSUES Although bidentate inhibition is a good strategy for developing potent and selective inhibitors, the cell membrane permeability and pharmacokinetic properties of the inhibitors are also important for successful drug development. In this review, we will also summarize the various efforts made toward the development of phosphotyrosine (pTyr) mimetics for increasing cellular permeability. FUTURE DIRECTIONS Even though the secondary phosphate binding site was initially found in PTP1B, structural data have shown that a secondary binding site can also be found in other PTPs, albeit with varying degrees of accessibility. Along with improvements in pTyr mimetics, we believe that the future will see an increase in the number of orally bioavailable bidentate inhibitors against the various classes of PTPs.
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Affiliation(s)
- Joo-Leng Low
- 1 Institute of Chemical and Engineering Sciences , Agency for Science Technology and Research, Singapore, Singapore
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14
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Goyard D, Chajistamatiou AS, Sotiropoulou AI, Chrysina ED, Praly JP, Vidal S. Efficient Atropodiastereoselective Access to 5,5′-Bis-1,2,3-triazoles: Studies on 1-Glucosylated 5-Halogeno 1,2,3-Triazoles and Their 5-Substituted Derivatives as Glycogen Phosphorylase Inhibitors. Chemistry 2014; 20:5423-32. [DOI: 10.1002/chem.201304989] [Citation(s) in RCA: 28] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2013] [Indexed: 12/16/2022]
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15
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Cui L, He XP, Gao LX, Li J, Chen GR. Click Synthesis of Triazolyl Phenylalaninyl and Tyrosinyl Derivatives as New Protein Tyrosine Phosphatase Inhibitors. J Heterocycl Chem 2013. [DOI: 10.1002/jhet.1517] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Lei Cui
- College of Science; University of Shanghai for Science and Technology; Shanghai; China
| | - Xiao-Peng He
- Key Laboratory for Advanced Materials and Institute of Fine Chemicals; East China University of Science and Technology; Shanghai; China
| | - Li-Xin Gao
- National Center for Drug Screening, State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica; Shanghai Institutes of Biological Sciences; Chinese Academy of Sciences; Shanghai; China
| | - Jia Li
- National Center for Drug Screening, State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica; Shanghai Institutes of Biological Sciences; Chinese Academy of Sciences; Shanghai; China
| | - Guo-Rong Chen
- Key Laboratory for Advanced Materials and Institute of Fine Chemicals; East China University of Science and Technology; Shanghai; China
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Thirumurugan P, Matosiuk D, Jozwiak K. Click Chemistry for Drug Development and Diverse Chemical–Biology Applications. Chem Rev 2013; 113:4905-79. [DOI: 10.1021/cr200409f] [Citation(s) in RCA: 1309] [Impact Index Per Article: 119.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Affiliation(s)
- Prakasam Thirumurugan
- Laboratory
of Medical Chemistry and Neuroengineering, Department of Chemistry, and ‡Department of
Synthesis and Chemical Technology of Pharmaceutical Substances, Medical University of Lublin, Lublin
20093, Poland
| | - Dariusz Matosiuk
- Laboratory
of Medical Chemistry and Neuroengineering, Department of Chemistry, and ‡Department of
Synthesis and Chemical Technology of Pharmaceutical Substances, Medical University of Lublin, Lublin
20093, Poland
| | - Krzysztof Jozwiak
- Laboratory
of Medical Chemistry and Neuroengineering, Department of Chemistry, and ‡Department of
Synthesis and Chemical Technology of Pharmaceutical Substances, Medical University of Lublin, Lublin
20093, Poland
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Shi DT, Zhang B, Yang YX, Guan CC, He XP, Li YC, Chen GR, Chen K. Bis-triazolyl indoleamines as unique “off–approach–on” chemosensors for copper and fluorine. Analyst 2013; 138:2808-11. [DOI: 10.1039/c3an00030c] [Citation(s) in RCA: 30] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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18
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He X, Xie J, Chen G, Chen K. Pyrene Excimer-based Bis-triazolyl Pyranoglycoligands as Specific Mercury Sensors. CHINESE J CHEM 2012. [DOI: 10.1002/cjoc.201200978] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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Xue JL, He XP, Yang JW, Shi DT, Cheng CY, Xie J, Chen GR, Chen K. Construction of triazolyl bidentate glycoligands (TBGs) by grafting of 3-azidocoumarin to epimeric pyranoglycosides via a fluorogenic dual click reaction. Carbohydr Res 2012; 363:38-42. [DOI: 10.1016/j.carres.2012.10.001] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/27/2012] [Revised: 10/01/2012] [Accepted: 10/03/2012] [Indexed: 12/30/2022]
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20
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Ellanki AR, Islam A, Rama VS, Pulipati RP, Rambabu D, Rama Krishna G, Malla Reddy C, Mukkanti K, Vanaja G, Kalle AM, Shiva Kumar K, Pal M. Solvent effect on copper-catalyzed azide–alkyne cycloaddition (CuAAC): Synthesis of novel triazolyl substituted quinolines as potential anticancer agents. Bioorg Med Chem Lett 2012; 22:3455-9. [DOI: 10.1016/j.bmcl.2012.03.091] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2012] [Revised: 03/19/2012] [Accepted: 03/26/2012] [Indexed: 11/25/2022]
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Zhang HL, He XP, Deng Q, Long YT, Chen GR, Chen K. Research on the structure-surface adsorptive activity relationships of triazolyl glycolipid derivatives for mild steel in HCl. Carbohydr Res 2012; 354:32-9. [PMID: 22537861 DOI: 10.1016/j.carres.2012.03.006] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2012] [Revised: 03/06/2012] [Accepted: 03/07/2012] [Indexed: 11/19/2022]
Abstract
Triazolyl glycolipid derivatives constructed via Cu(I)-catalyzed azide-alkyne 1,3-dipolar cycloaddition reaction (Cue-AAC) represent a new range of carbohydrate-based scaffolds for use in many fields of the chemical research. Here the surface adsorptive ability of series of our previously prepared C1- or C6-triazole linked gluco- and galactolipid derivatives for mild steel in 1 M HCl was studied via electrochemical impedance spectroscopy (EIS). Results indicated that these monosaccharide-fatty acid conjugates are weak inhibitors against HCl corrosion for mild steel. Moreover, some newly synthesized triazolyl disaccharide (maltose)-fatty alcohol conjugates failed to display enhanced activity, meaning that the structural enlargement of the sugar moiety does not favor the iron surface adsorption. However, a bis-triazolyl glycolipid derivative, which was realized by introducing a benzenesulfonamide group via Cue-AAC to the C6-position of a C1-triazolyl glucolipid analog, eventually showed significantly improved adsorptive potency compared to that of its former counterparts. The corrosion inhibitive modality of this compound for mild steel in HCl was subsequently studied via potentiodynamic polarization and thermodynamic calculations.
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Affiliation(s)
- Hai-Lin Zhang
- Key Laboratory for Advanced Materials & Institute of Fine Chemicals, East China University of Science and Technology, 130 Meilong Road, Shanghai 200237, PR China
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Tang YH, Qu Y, Song Z, He XP, Xie J, Hua J, Chen GR. Discovery of a sensitive Cu(II)-cyanide "off-on" sensor based on new C-glycosyl triazolyl bis-amino acid scaffold. Org Biomol Chem 2011; 10:555-60. [PMID: 22101917 DOI: 10.1039/c1ob06242e] [Citation(s) in RCA: 51] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A new functional glycosyl peptidomimetic, featuring a C-glucosyl 1,4-dimethoxynaphthalene backbone in conjugation with two triazolyl phenylalanine moieties on its adjacent C3,4-positions, was readily synthesized via click chemistry. Primary optical measurements indicated that the fluorescence of the ester form of this probe (4) could be selectively quenched by Pb(2+). In contrast, the fluorescence intensity of its analog 5 with released carboxylic groups was uniquely diminished by Cu(2+) with remarkably enhanced sensitivity and selectivity. Moreover, subsequent addition of cyanide to the methanol solution of the resulting Cu(2+)-5 complex induced its fluorescence recovery with a nanomolar detection limit, which was two orders of magnitude smaller than the regulated concentration limit of CN(-) in drinking water. This suggests the promising applicability of C-glycosyl bis-triazolyl amino acid scaffold in the future design and exploration of sensitive "off-on" Cu(II)-cyanide chemosensors.
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Affiliation(s)
- Yan-Hui Tang
- Key Laboratory for Advanced Materials and Institute of Fine Chemicals, East China University of Science and Technology, 130 Meilong Road, Shanghai, 200237, PR China
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Discovering the distinct inhibitory effects between C4-epimeric glycosyl amino acids: new insight into the development of protein tyrosine phosphatase inhibitors. Glycoconj J 2011; 28:493-7. [DOI: 10.1007/s10719-011-9347-0] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2011] [Revised: 07/13/2011] [Accepted: 08/19/2011] [Indexed: 10/17/2022]
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He XP, Song Z, Wang ZZ, Shi XX, Chen K, Chen GR. Creation of 3,4-bis-triazolocoumarin–sugar conjugates via flourogenic dual click chemistry and their quenching specificity with silver(I) in aqueous media. Tetrahedron 2011. [DOI: 10.1016/j.tet.2011.03.068] [Citation(s) in RCA: 43] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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