51
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Li M, Huang J, Ma M, Shi X, Li L. Selective Enrichment of Sialylglycopeptides Enabled by Click Chemistry and Dynamic Covalent Exchange. Anal Chem 2022; 94:6681-6688. [PMID: 35467842 DOI: 10.1021/acs.analchem.1c05158] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
Despite the important roles of protein sialylation in biological processes such as cellular interaction and cancer progression, simple and effective methods for the analysis of intact sialylglycopeptides (SGPs) are still limited. Analyses of low-abundance SGPs typically require efficient enrichment prior to comprehensive liquid chromatography-mass spectrometry (LC-MS)-based analysis. Here, a novel workflow combining mild periodate oxidation, hydrazide chemistry, copper-catalyzed azide/alkyne cycloaddition (CuAAC) click chemistry, and dynamic covalent exchange has been developed for selective enrichment of SGPs. The intact SGPs could be separated easily from protein tryptic digests, and the signature ions were produced during LC-MS/MS for unambiguous identification. The structure of the signature ions and corresponding dynamic covalent exchange were confirmed by using an isotopic reagent. Under the optimized condition, over 70% enrichment efficiency of SGPs was achieved using bovine fetuin digests, and the method was successfully applied to complex biological samples, such as a mouse lung tissue extract. The high enrichment efficiency, good reproducibility, and easily adopted procedure without the need to generate specialized materials make this method a promising tool for broad applications in SGP analysis.
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Affiliation(s)
- Miyang Li
- Department of Chemistry, University of Wisconsin-Madison, Madison, Wisconsin 53705-2222, United States
| | - Junfeng Huang
- School of Pharmacy, University of Wisconsin-Madison, Madison, Wisconsin 53705-2222, United States
| | - Min Ma
- School of Pharmacy, University of Wisconsin-Madison, Madison, Wisconsin 53705-2222, United States
| | - Xudong Shi
- Department of Surgery, University of Wisconsin-Madison, Madison, Wisconsin 53705-2222, United States
| | - Lingjun Li
- Department of Chemistry, University of Wisconsin-Madison, Madison, Wisconsin 53705-2222, United States.,School of Pharmacy, University of Wisconsin-Madison, Madison, Wisconsin 53705-2222, United States
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52
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Nonlinear Optical and Ion Sensor Properties of Novel Molecules Conjugated by Click Chemistry. Polymers (Basel) 2022; 14:polym14081516. [PMID: 35458266 PMCID: PMC9025167 DOI: 10.3390/polym14081516] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2022] [Revised: 04/01/2022] [Accepted: 04/06/2022] [Indexed: 02/04/2023] Open
Abstract
The molecular structure, luminescence behavior, and electronic energy level of an organic optoelectronic materials are important parameters for its synthesis. The electro-optical properties can be changed by modifying the structure of the molecule to make the electronic energy level adjustable. In this article, a series of organic conjugated micro-molecules are successfully synthesized by linking small compound units. This metal-free [2 + 2] click chemistry process generates donor–acceptor chromophore substances with high yield, high solubility, and adjustable energy levels, which can be widely used for sensors and nonlinear optics in different fields. A-TCNE, A-TCNQ, and A-F4-TCNQ molecules are characterized comprehensively via UV-Vis-NIR spectra, 1H NMR spectra, infrared spectroscopy, and mass spectrometry. The unique nonlinear optical phenomena and powerful intra-molecular charge–transfer interactions of these new materials give them fascinating potential for application as optoelectronic materials.
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53
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Héron J, Balcells D. Concerted Cycloaddition Mechanism in the CuAAC Reaction Catalyzed by 1,8-Naphthyridine Dicopper Complexes. ACS Catal 2022. [DOI: 10.1021/acscatal.2c00723] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Affiliation(s)
- Julie Héron
- Hylleraas Centre for Quantum Molecular Sciences, Department of Chemistry, University of Oslo, P.O. Box 1033, Blindern, Oslo 0315, Norway
| | - David Balcells
- Hylleraas Centre for Quantum Molecular Sciences, Department of Chemistry, University of Oslo, P.O. Box 1033, Blindern, Oslo 0315, Norway
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Haas TM, Laventie B, Lagies S, Harter C, Prucker I, Ritz D, Saleem‐Batcha R, Qiu D, Hüttel W, Andexer J, Kammerer B, Jenal U, Jessen HJ. Photoaffinity Capture Compounds to Profile the Magic Spot Nucleotide Interactomes**. Angew Chem Int Ed Engl 2022. [DOI: 10.1002/ange.202201731] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Affiliation(s)
- Thomas M. Haas
- Institute of Organic Chemistry Albert-Ludwigs-Universität Freiburg Albertstraße 21 79104 Freiburg im Breisgau Germany
| | - Benoît‐Joseph Laventie
- Infection Biology Biozentrum University of Basel Spitalstrasse 41 4056 Basel Switzerland
| | - Simon Lagies
- Institute of Organic Chemistry Albert-Ludwigs-Universität Freiburg Albertstraße 21 79104 Freiburg im Breisgau Germany
| | - Caroline Harter
- Institute of Organic Chemistry Albert-Ludwigs-Universität Freiburg Albertstraße 21 79104 Freiburg im Breisgau Germany
| | - Isabel Prucker
- Institute of Organic Chemistry Albert-Ludwigs-Universität Freiburg Albertstraße 21 79104 Freiburg im Breisgau Germany
| | - Danilo Ritz
- Proteomics Core Facility Biozentrum University of Basel Spitalstrasse 41 4056 Basel Switzerland
| | - Raspudin Saleem‐Batcha
- Institute of Pharmaceutical Sciences Albert-Ludwigs-Universität Freiburg Albertstraße 25 79104 Freiburg im Breisgau Germany
| | - Danye Qiu
- Institute of Organic Chemistry Albert-Ludwigs-Universität Freiburg Albertstraße 21 79104 Freiburg im Breisgau Germany
| | - Wolfgang Hüttel
- Institute of Organic Chemistry Albert-Ludwigs-Universität Freiburg Albertstraße 21 79104 Freiburg im Breisgau Germany
| | - Jennifer Andexer
- Institute of Pharmaceutical Sciences Albert-Ludwigs-Universität Freiburg Albertstraße 25 79104 Freiburg im Breisgau Germany
| | - Bernd Kammerer
- Institute of Organic Chemistry Albert-Ludwigs-Universität Freiburg Albertstraße 21 79104 Freiburg im Breisgau Germany
| | - Urs Jenal
- Infection Biology Biozentrum University of Basel Spitalstrasse 41 4056 Basel Switzerland
| | - Henning J. Jessen
- Institute of Organic Chemistry Albert-Ludwigs-Universität Freiburg Albertstraße 21 79104 Freiburg im Breisgau Germany
- CIBSS—The Center for Biological Signaling Studies Albert-Ludwigs-Universität Freiburg 79104 Freiburg im Breisgau Germany
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55
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Gao G, Kuantao, Mao, Lv L, Li Z. Three‐Component Coupling of α‐Trifluoromethyl Carbonyls, Azides and Amines for the Regioselective Synthesis of 1,4,5‐Trisubstituted 1,2,3‐Triazoles. Adv Synth Catal 2022. [DOI: 10.1002/adsc.202200094] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Affiliation(s)
- Ge Gao
- Key Laboratory of Advanced Light Conversion Materials and Biophotonics, Department of Chemistry Renmin University of China Beijing 100872 People's Republic of China
| | - Kuantao
- Key Laboratory of Advanced Light Conversion Materials and Biophotonics, Department of Chemistry Renmin University of China Beijing 100872 People's Republic of China
| | - Mao
- Key Laboratory of Advanced Light Conversion Materials and Biophotonics, Department of Chemistry Renmin University of China Beijing 100872 People's Republic of China
| | - Leiyang Lv
- Key Laboratory of Advanced Light Conversion Materials and Biophotonics, Department of Chemistry Renmin University of China Beijing 100872 People's Republic of China
| | - Zhiping Li
- Key Laboratory of Advanced Light Conversion Materials and Biophotonics, Department of Chemistry Renmin University of China Beijing 100872 People's Republic of China
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56
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Jankovič D, Virant M, Gazvoda M. Copper-Catalyzed Azide-Alkyne Cycloaddition of Hydrazoic Acid Formed In Situ from Sodium Azide Affords 4-Monosubstituted-1,2,3-Triazoles. J Org Chem 2022; 87:4018-4028. [PMID: 35148087 PMCID: PMC8938953 DOI: 10.1021/acs.joc.1c02775] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2021] [Indexed: 12/23/2022]
Abstract
We report a copper-catalyzed cycloaddition of hydrogen azide (hydrazoic acid, HN3) with terminal alkynes to form 4-substituted-1H-1,2,3-triazoles in a sustainable manner. Hydrazoic acid was formed in situ from sodium azide under acidic conditions to react with terminal alkynes in a copper-catalyzed reaction. Using polydentate N-donor chelating ligands and mild organic acids, the reactions were realized to proceed at room temperature under aerobic conditions in a methanol-water mixture and with 5 mol % catalyst loadings to afford 4-substituted-1,2,3-triazoles in high yields. This method is amenable on a wide range of alkyne substrates, including unprotected peptides, showing diverse functional group tolerance. It is applicable for late-stage functionalization synthetic strategies, as demonstrated in the synthesis of the triazole analogue of losartan. The preparation of orthogonally protected azahistidine from Fmoc-l-propargylglycine was realized on a gram scale. The hazardous nature of hydrazoic acid has been diminished as it forms in situ in <6% concentrations at which it is safe to handle. Reactions of distilled solutions of hydrazoic acid indicated its role as a reactive species in the copper-catalyzed reaction.
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Affiliation(s)
- Dominik Jankovič
- Faculty of Chemistry and
Chemical Technology, University of Ljubljana, Večna pot 113, SI-1000 Ljubljana, Slovenia
| | - Miha Virant
- Faculty of Chemistry and
Chemical Technology, University of Ljubljana, Večna pot 113, SI-1000 Ljubljana, Slovenia
| | - Martin Gazvoda
- Faculty of Chemistry and
Chemical Technology, University of Ljubljana, Večna pot 113, SI-1000 Ljubljana, Slovenia
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57
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Khashei Siuki H, Ghamari Kargar P, Bagherzade G. New Acetamidine Cu(II) Schiff base complex supported on magnetic nanoparticles pectin for the synthesis of triazoles using click chemistry. Sci Rep 2022; 12:3771. [PMID: 35260647 PMCID: PMC8904776 DOI: 10.1038/s41598-022-07674-7] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2021] [Accepted: 02/14/2022] [Indexed: 11/09/2022] Open
Abstract
In this project, the new catalyst copper defines as Fe3O4@Pectin@(CH2)3-Acetamide-Cu(II) was successfully manufactured and fully characterized by different techniques, including FT-IR, XRD, TEM, FESEM, EDX, VSM, TGA, and ICP analysis. All results showed that copper was successfully supported on the polymer-coated magnetic nanoparticles. One of the most important properties of a catalyst is the ability to be prepared from simple materials such as pectin that's a biopolymer that is widely found in nature. The catalytic activity of Fe3O4@Pectin@(CH2)3-Acetamide-Cu(II) was examined in a classical, one pot, and the three-component reaction of terminal alkynes, alkyl halides, and sodium azide in water and observed, proceeding smoothly and completed in good yields and high regioselectivity. The critical potential interests of the present method include high yields, recyclability of catalyst, easy workup, using an eco-friendly solvent, and the ability to sustain a variety of functional groups, which give economical as well as ecological rewards. The capability of the nanocomposite was compared with previous works, and the nanocomposite was found more efficient, economical, and reproducible. Also, the catalyst can be easily removed from the reaction solution using an external magnet and reused for five runs without reduction in catalyst activity.
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Affiliation(s)
- Hossein Khashei Siuki
- Department of Chemistry, Faculty of Sciences, University of Birjand, 97175-615, Birjand, Iran
| | - Pouya Ghamari Kargar
- Department of Chemistry, Faculty of Sciences, University of Birjand, 97175-615, Birjand, Iran
| | - Ghodsieh Bagherzade
- Department of Chemistry, Faculty of Sciences, University of Birjand, 97175-615, Birjand, Iran.
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58
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de Andrade P, Ahmadipour S, Field RA. Anomeric 1,2,3-triazole-linked sialic acid derivatives show selective inhibition towards a bacterial neuraminidase over a trypanosome trans-sialidase. Beilstein J Org Chem 2022; 18:208-216. [PMID: 35280952 PMCID: PMC8895027 DOI: 10.3762/bjoc.18.24] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2021] [Accepted: 02/02/2022] [Indexed: 11/25/2022] Open
Abstract
Sialic acid is the natural substrate for sialidases and its chemical modification has been a useful approach to generate potent and selective inhibitors. Aiming at advancing the discovery of selective Trypanosoma cruzi trans-sialidase (TcTS) inhibitors, we have synthesised a small series of anomeric 1,2,3-triazole-linked sialic acid derivatives in good yields and high purity via copper-catalysed azide-alkyne cycloaddition (CuAAC, click chemistry) and evaluated their activity towards TcTS and neuraminidase. Surprisingly, the compounds showed practically no TcTS inhibition, whereas ca. 70% inhibition was observed for neuraminidase in relation to the analogues bearing hydrophobic substituents and ca. 5% for more polar substituents. These results suggest that polarity changes are less tolerated by neuraminidase due to the big difference in impact of hydrophobicity upon inhibition, thus indicating a simple approach to differentiate both enzymes. Moreover, such selectivity might be reasoned based on a possible steric hindrance caused by a bulky hydrophobic loop that sits over the TcTS active site and may prevent the hydrophobic inhibitors from binding. The present study is a step forward in exploiting subtle structural differences in sialidases that need to be addressed in order to achieve selective inhibition.
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Affiliation(s)
- Peterson de Andrade
- Manchester Institute of Biotechnology and Department of Chemistry, University of Manchester, 131 Princess Street, Manchester M1 7DN, UK
| | - Sanaz Ahmadipour
- Manchester Institute of Biotechnology and Department of Chemistry, University of Manchester, 131 Princess Street, Manchester M1 7DN, UK
- Iceni Glycoscience Ltd, Norwich Research Park NR4 7GJ, UK
| | - Robert A Field
- Manchester Institute of Biotechnology and Department of Chemistry, University of Manchester, 131 Princess Street, Manchester M1 7DN, UK
- Iceni Glycoscience Ltd, Norwich Research Park NR4 7GJ, UK
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59
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Abstract
Background: Chemical industry has increased the investment into and innovation capacity to supply chemicals from safe and sustainable sources, which will be essential to offering new solutions and supporting the green transition of the global economy and society. In this sense, the use of green solvents and reusable heterogeneous catalysts has emerged as a promising sustainable process strategy for engineering, chemistry and the environment. In this work, different homogeneous (copper bromide, CuBr and copper(II) acetate, Cu (CH3COO)2·H2O) and heterogeneous (Cu Wire, Cu Plate, Cu/β-SiC, pre-treated Cu Wire and pre-treated Cu Plate) copper catalysts were tested for the copper(I)-catalyzed alkyne–azide cycloaddition (CuAAC) reaction. In addition, the influence of different reaction media was analyzed, comparing the use of an organic solvent such as toluene and a green solvent such as supercritical CO2 (scCO2). Methods: Characterization of the catalysts includes by X-ray diffraction (XRD), Scan Electron Microscopy (SEM), Atomic absorption spectrophotometry (AA) and Temperature Programmed Reduction (TPR). Parameters such as catalyst loading, reaction time, reusability and leaching of the catalysts were studied to obtain more information on the CuAAC reaction in scCO2. Results: The pre-treated copper plate achieved a 57% increase in reaction yield compared to the non pre-treated copper plate. However, the recovery and reuse of the pre-treated copper plate showed a severe deterioration and a considerable change in its surface. Cu Wire (without pre-treatment) achieved yields of up to 94.2% after reusing it for five cycles. Conclusions: These results suggest the possibility to exploit the combination of heterogeneous catalysts and scCO2 and justify further research to highlight green solvents and simultaneously address the challenges of reaction, purification and recycling.
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60
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Caiana RRA, Santos CS, de Oliveira RN, Freitas JCR. Scientific and Technological Prospecting of 1H-1,2,3-Triazoles. CURR ORG CHEM 2022. [DOI: 10.2174/1385272826666220126153429] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
Abstract:
The use of 1H-1,2,3-triazoles has become an important scaffold for applications in different technological sectors. Therefore, we sought to carry out a technological monitoring to understand the international scenario involving 1H-1,2,3-triazoles from the patents filed, in addition to evaluating the relationship between the growth in the number of patents and the improvement of strategies for obtaining of these compounds via a metal-catalyzed azide-alkyne cycloaddition reaction. Technological monitoring was performed with the support of the PatentInspiration® platform, using the keywords "1,2,3-triazol", "1,2,3-triazole", and "1,2,3-triazolyl". A total of 960 registered patents were found, most for the years 2014 and 2019. The main filers were prestigious multinational companies such as Syngenta, Merck, Sandoz, Pfizer, and Bayer. The United States, China, Japan, and Germany lead patent registrations, mainly addressing innovations in chemistry and metallurgy, human needs, and new technologies. These results help to understand the state of innovation for this topic, pointing out the characteristics of the main discoveries concerning 1H-1,2,3-triazole derivatives.
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Affiliation(s)
| | - Cosme Silva Santos
- Department of Chemistry, Federal Rural University of Pernambuco, 52171-900, Recife-PE, Brazil
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61
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El Mahmoudi A, El Masaoudi H, Tachallait H, Talha A, Arshad S, Benhida R, Jaber B, Benaissa M, Bougrin K. Selective silver (I)-catalyzed four-component gram-scale synthesis of novel 1,4-disubstituted 1,2,3-triazole-sulfonamides under heterogeneous catalysis and microwave irradiation in water. RESULTS IN CHEMISTRY 2022. [DOI: 10.1016/j.rechem.2022.100552] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022] Open
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62
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Huettner N, Goldmann AS, Hoogenboom R, Dargaville TR. Macrocyclization efficiency for poly(2-oxazoline)s and poly(2-oxazine)s. Polym Chem 2022. [DOI: 10.1039/d2py00376g] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
Abstract
Poly(2-oxazine)s show higher tendency to undergo macrocyclization compared to poly(2-alkyl-2-oxazoline)s, increasing scale-up potential and applicability of these cyclic polymers.
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Affiliation(s)
- Nick Huettner
- School of Chemistry and Physics, Faculty of Science, Queensland University of Technology (QUT), Brisbane, QLD 4000, Australia
- Centre for Materials Science, Queensland University of Technology (QUT), Brisbane, QLD 4000, Australia
| | - Anja S. Goldmann
- School of Chemistry and Physics, Faculty of Science, Queensland University of Technology (QUT), Brisbane, QLD 4000, Australia
- Centre for Materials Science, Queensland University of Technology (QUT), Brisbane, QLD 4000, Australia
| | - Richard Hoogenboom
- Supramolecular Chemistry Group, Centre of Macromolecular Chemistry, Ghent University, Ghent, 9000 Belgium
| | - Tim R. Dargaville
- School of Chemistry and Physics, Faculty of Science, Queensland University of Technology (QUT), Brisbane, QLD 4000, Australia
- Centre for Materials Science, Queensland University of Technology (QUT), Brisbane, QLD 4000, Australia
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63
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Jiang J, Liu Y, Yang S, Peng H, Liu J, Cheng YX, Li N. Photoaffinity-Based Chemical Proteomics Reveals 7-Oxocallitrisic Acid Targets CPT1A to Trigger Lipogenesis Inhibition. ACS Med Chem Lett 2021; 12:1905-1911. [PMID: 34917253 DOI: 10.1021/acsmedchemlett.1c00316] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2021] [Accepted: 10/28/2021] [Indexed: 11/29/2022] Open
Abstract
One of the natural terpenoids isolated from Resina Commiphora, 7-oxocallitrisic acid (7-OCA), has lipid metabolism regulatory activity. To uncover its lipogenesis inhibition mechanism, we developed a photoaffinity and clickable probe based on the 7-OCA scaffold and performed chemical proteomics to profile its potential cellular targets. It was found that 7-OCA could directly interact with carnitine palmitoyl transferase 1A (CPT1A) to promote its activity to reduce lipid accumulation. The present work reveals our understanding of the mode of lipid mebabolism regulation by abietic acids and provides new clues for antiobesity drug development with CPT1A as a main target.
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Affiliation(s)
- Jianbing Jiang
- Institute for Inheritance-Based Innovation of Chinese Medicine, School of Pharmaceutical Sciences, Health Science Center, Shenzhen University, Shenzhen 518060, China
| | - Ying Liu
- Institute for Inheritance-Based Innovation of Chinese Medicine, School of Pharmaceutical Sciences, Health Science Center, Shenzhen University, Shenzhen 518060, China
| | - Shuxin Yang
- CAS Key Laboratory for Quantitative Engineering Biology, Shenzhen Institute of Synthetic Biology, Shenzhen Institute of Advanced Technology, Chinese Academy of Sciences, Shenzhen 518055, China
| | - Huipai Peng
- CAS Key Laboratory for Quantitative Engineering Biology, Shenzhen Institute of Synthetic Biology, Shenzhen Institute of Advanced Technology, Chinese Academy of Sciences, Shenzhen 518055, China
| | - Jiawang Liu
- Institute for Inheritance-Based Innovation of Chinese Medicine, School of Pharmaceutical Sciences, Health Science Center, Shenzhen University, Shenzhen 518060, China
| | - Yong-Xian Cheng
- Institute for Inheritance-Based Innovation of Chinese Medicine, School of Pharmaceutical Sciences, Health Science Center, Shenzhen University, Shenzhen 518060, China
| | - Nan Li
- CAS Key Laboratory for Quantitative Engineering Biology, Shenzhen Institute of Synthetic Biology, Shenzhen Institute of Advanced Technology, Chinese Academy of Sciences, Shenzhen 518055, China
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64
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Lv L, Gao G, Luo Y, Mao K, Li Z. Three-Component Reactions of α-CF 3 Carbonyls, NaN 3, and Amines for the Synthesis of NH-1,2,3-Triazoles. J Org Chem 2021; 86:17197-17212. [PMID: 34724616 DOI: 10.1021/acs.joc.1c02288] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
The development of methods for the assembly of 1,2,3-triazoles is an important topic due to the broad applications of this motif in various scientific fields. In this work, we demonstrate that the three-component assembly of α-CF3 carbonyls, NaN3, and amines was achieved for the selective construction of a variety of 5-amino NH-1,2,3-triazoles under transition-metal-free and open-air conditions. The method provides a general and operationally simple route to functionalized biologically important molecules including carbohydrates, nucleosides, and peptides and exhibits broad substrate scopes. We further demonstrate that the NH-1,2,3-triazoles can be smoothly converted to the regiospecific N-2 alkylated 1,2,3-triazole products. Mechanistic studies based on experiments and density functional theory calculations showed that this transformation proceeds via defluorination-initiated programmed substitution/cyclization/H-transfer to give the 4,5-difunctionalized captodative NH-1,2,3-triazole product.
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Affiliation(s)
- Leiyang Lv
- Department of Chemistry, Renmin University of China, Beijing 100872, China
| | - Ge Gao
- Department of Chemistry, Renmin University of China, Beijing 100872, China
| | - Yani Luo
- Department of Chemistry, Renmin University of China, Beijing 100872, China
| | - Kuantao Mao
- Department of Chemistry, Renmin University of China, Beijing 100872, China
| | - Zhiping Li
- Department of Chemistry, Renmin University of China, Beijing 100872, China
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65
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Ismail C, Nocentini A, Supuran CT, Winum JY, Gharbi R. 1,5-Benzodiazepines as a platform for the design of carbonic anhydrase inhibitors. Arch Pharm (Weinheim) 2021; 355:e2100405. [PMID: 34862650 DOI: 10.1002/ardp.202100405] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2021] [Revised: 11/10/2021] [Accepted: 11/12/2021] [Indexed: 01/21/2023]
Abstract
A series of novel N-triazolo-benzene sulfonamides-1,5-benzodiazepines 9a-d and 10d were designed and prepared through the copper-catalyzed azide alkyne cycloaddition click chemistry procedure, reacting the N1 -propargyl-1,5-benzodiazepine 2 and the N1 ,N5 -dipropargyl analog 6 with various benzene sulfonamide azides 8a-d. The synthesized compounds were found to show nanomolar affinity toward relevant isoforms of human carbonic anhydrase such as hCA I, II, IV, VII, IX, and XII. The divalent derivative 10d showed a particularly high inhibitory activity against all hCA isoforms when compared with acetazolamide, and showed potent multivalent effects, better than reported previously for divalent CA inhibitors.
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Affiliation(s)
- Chiraz Ismail
- Laboratory of Environmental Chemistry and Clean Processes/LR21ES04, University of Monastir, Departement of Chemistry, Monastir, Tunisia.,IBMM, University of Montpellier, CNRS, ENSCM, Montpellier, France
| | | | | | - Jean-Yves Winum
- IBMM, University of Montpellier, CNRS, ENSCM, Montpellier, France
| | - Rafik Gharbi
- Laboratory of Environmental Chemistry and Clean Processes/LR21ES04, University of Monastir, Departement of Chemistry, Monastir, Tunisia
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66
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Wang C, Li Q, Wang S, Zhu G, Zhu A, Li L. Copper-catalyzed in situ oxidative-coupling for one-pot synthesis of 5-aryl-1,4-disubstituted 1,2,3-triazoles under mild conditions. RSC Adv 2021; 11:38108-38114. [PMID: 35498067 PMCID: PMC9043963 DOI: 10.1039/d1ra06827j] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2021] [Accepted: 11/07/2021] [Indexed: 11/21/2022] Open
Abstract
A new reaction system with CuCl as catalyst, TEA as base and O2/chloramine-T as oxidant was developed for one-pot in situ oxidative-coupling to synthesize 5-aryl-1,4-disubstituted 1,2,3-triazoles in this paper. A variety of 5-arylated-1,2,3-triazole compounds could be efficiently prepared directly from the readily accessible organic azides, terminal alkynes and arylboronic acids. Advantages of the method include use of low-cost catalyst, clean oxidant, less-toxic additive, and low reaction temperature. Importantly, due to avoiding harsh strong basic reagents and high temperatures, the presented method can offer mild conditions for multi-component synthesis of 5-aryl-1,2,3-triazoles from the designed structurally complicated alkynyl or azide donors bearing natural product motifs and sensitive functional groups.
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Affiliation(s)
- Chao Wang
- Henan Key Laboratory of Organic Functional Molecule and Drug Innovation, Collaborative Innovation Center of Henan Province for Green Manufacturing of Fine Chemicals, School of Chemistry and Chemical Engineering, Key Laboratory of Green Chemical Media and Reactions, Ministry of Education, Henan Normal University Xinxiang Henan 453007 China
| | - Qianqian Li
- Henan Key Laboratory of Organic Functional Molecule and Drug Innovation, Collaborative Innovation Center of Henan Province for Green Manufacturing of Fine Chemicals, School of Chemistry and Chemical Engineering, Key Laboratory of Green Chemical Media and Reactions, Ministry of Education, Henan Normal University Xinxiang Henan 453007 China
| | - Shilei Wang
- Henan Key Laboratory of Organic Functional Molecule and Drug Innovation, Collaborative Innovation Center of Henan Province for Green Manufacturing of Fine Chemicals, School of Chemistry and Chemical Engineering, Key Laboratory of Green Chemical Media and Reactions, Ministry of Education, Henan Normal University Xinxiang Henan 453007 China
| | - Gongming Zhu
- Henan Key Laboratory of Organic Functional Molecule and Drug Innovation, Collaborative Innovation Center of Henan Province for Green Manufacturing of Fine Chemicals, School of Chemistry and Chemical Engineering, Key Laboratory of Green Chemical Media and Reactions, Ministry of Education, Henan Normal University Xinxiang Henan 453007 China
| | - Anlian Zhu
- Henan Key Laboratory of Organic Functional Molecule and Drug Innovation, Collaborative Innovation Center of Henan Province for Green Manufacturing of Fine Chemicals, School of Chemistry and Chemical Engineering, Key Laboratory of Green Chemical Media and Reactions, Ministry of Education, Henan Normal University Xinxiang Henan 453007 China
| | - Lingjun Li
- Henan Key Laboratory of Organic Functional Molecule and Drug Innovation, Collaborative Innovation Center of Henan Province for Green Manufacturing of Fine Chemicals, School of Chemistry and Chemical Engineering, Key Laboratory of Green Chemical Media and Reactions, Ministry of Education, Henan Normal University Xinxiang Henan 453007 China
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67
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George A, Indhu M, Ashokraj S, Shanmugam G, Ganesan P, Kamini NR, Ayyadurai N. Genetically encoded dihydroxyphenylalanine coupled with tyrosinase for strain promoted labeling. Bioorg Med Chem 2021; 50:116460. [PMID: 34757293 DOI: 10.1016/j.bmc.2021.116460] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2021] [Revised: 09/25/2021] [Accepted: 10/05/2021] [Indexed: 10/20/2022]
Abstract
Protein modifications through genetic code engineering have a remarkable impact on macromolecule engineering, protein translocation, protein-protein interaction, and cell biology. We used the newly developed molecular biology approach, genetic code engineering, for fine-tuning of proteins for biological availability. Here, we have introduced 3, 4-dihydroxy-l-phenylalanine in recombinant proteins by selective pressure incorporation method for protein-based cell labeling applications. The congener proteins treated with tyrosinase convert 3, 4-dihydroxy-l-phenylalanine to dopaquinone for strain-promoted click chemistry. Initially, the single-step Strain-Promoted Oxidation-Controlled Cyclooctyne-1,2-quinone Cycloaddition was studied using tyrosinase catalyzed congener protein and optimized the temporally controlled conjugation with (1R,8S,9s)-Bicyclo[6.1.0]non-4-yn-9-ylmethanol. Then, the feasibility of tyrosinase-treated congener annexin A5 with easily reactive quinone functional moiety was conjugated with fluorescent tag dibenzocyclooctyne-PEG4-TAMRA for labeling of apoptotic cells. Thus, the congener proteins-based products demonstrate selective cell labeling and apoptosis detection in EA.hy926 cells even after the protein modifications. Hence, genetic code engineering can be coupled with click chemistry to develop various protein-based fluorescent labels.
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Affiliation(s)
- Augustine George
- Department of Biochemistry and Biotechnology, Council of Scientific and Industrial Research (CSIR) - Central Leather Research Institute (CLRI), Chennai, India
| | - Mohan Indhu
- Department of Biochemistry and Biotechnology, Council of Scientific and Industrial Research (CSIR) - Central Leather Research Institute (CLRI), Chennai, India; Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, India
| | - Sundarapandian Ashokraj
- Department of Biochemistry and Biotechnology, Council of Scientific and Industrial Research (CSIR) - Central Leather Research Institute (CLRI), Chennai, India; Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, India
| | - Ganesh Shanmugam
- Department of Biochemistry and Biotechnology, Council of Scientific and Industrial Research (CSIR) - Central Leather Research Institute (CLRI), Chennai, India; Division of Organic and Bio-Organic Chemistry, Council of Scientific and Industrial Research (CSIR) - Central Leather Research Institute (CLRI), Chennai, India
| | - Ponesakki Ganesan
- Department of Biochemistry and Biotechnology, Council of Scientific and Industrial Research (CSIR) - Central Leather Research Institute (CLRI), Chennai, India
| | - Numbi Ramudu Kamini
- Department of Biochemistry and Biotechnology, Council of Scientific and Industrial Research (CSIR) - Central Leather Research Institute (CLRI), Chennai, India
| | - Niraikulam Ayyadurai
- Department of Biochemistry and Biotechnology, Council of Scientific and Industrial Research (CSIR) - Central Leather Research Institute (CLRI), Chennai, India; Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, India.
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68
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Li Q, Li G, Fan L, Yu Y, Liu J. Click reaction triggered turn-on fluorescence strategy for highly sensitive and selective determination of steroid hormones in food samples. Food Chem 2021; 374:131565. [PMID: 34875430 DOI: 10.1016/j.foodchem.2021.131565] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2021] [Revised: 10/18/2021] [Accepted: 11/07/2021] [Indexed: 11/04/2022]
Abstract
The copper(I)-catalyzed azide-alkyne cycloaddition (CuAAC) click reaction has becoming noticeable in the field of analytical chemistry. Mild reaction conditions, simple operation, high efficiency, and good regioselectivity make this classical click reaction a perfect strategy for chemical derivatization. Herein, we proposed a promising click fluorescent labeling method with high selectivity for the determination of five steroid hormones in food samples. The labeling strategy depends on the reaction between 3-Azido-7-hydroxycoumarin and the alkynyl group of steroid hormones, which shows a turn-on fluorescence response in the presence of copper (I). The formed fluorescent products were detected by HPLC-FLD. Under the optimized conditions, the proposed method presented excellent performance with good linearity (R2 ≥ 0.9998) and low detection limit (1.8-7.3 μg L-1). Further, satisfactory recoveries were obtained to be 82-107% in spiked meats with relative standard deviations (RSDs) ≤ 5.7%. Finally, the established method was successfully applied for the determination of steroid hormones in meat, indicating the potential prospect of the click reaction in chemical derivatization.
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Affiliation(s)
- Qianyu Li
- School of Food and Biological Engineering, Shaanxi University of Science and Technology, Xi'an 710021, China
| | - Guoliang Li
- School of Food and Biological Engineering, Shaanxi University of Science and Technology, Xi'an 710021, China.
| | - Lihua Fan
- School of Food and Biological Engineering, Shaanxi University of Science and Technology, Xi'an 710021, China
| | - Yanxin Yu
- School of Food and Biological Engineering, Shaanxi University of Science and Technology, Xi'an 710021, China
| | - Jin Liu
- School of Food and Biological Engineering, Shaanxi University of Science and Technology, Xi'an 710021, China
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69
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Ponikiewski Ł, Sowa S. Ring Opening of Triflates Derived from Benzophospholan-3-one Oxides by Aryl Grignard Reagents as a Route to 2-Ethynylphenyl(diaryl)phosphine Oxides. J Org Chem 2021; 86:14928-14941. [PMID: 34699223 PMCID: PMC8576819 DOI: 10.1021/acs.joc.1c01629] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
A new simple method for the synthesis of 2-ethynylphenyl(diaryl)phosphine oxides via ring opening of benzophosphol-3-yl triflates has been developed. This process occurs via nucleophilic attack of a Grignard reagent at the phosphorus center, which results in ring opening and cleavage of a leaving group. The reaction proceeds under mild conditions and, within 15-60 min, leads to a library of previously unavailable 2-ethynylphenylphosphine oxides in yields up to 98%.
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Affiliation(s)
- Łukasz Ponikiewski
- Department of Inorganic Chemistry, Faculty of Chemistry, Gdańsk University of Technology, G. Narutowicza St. 11/12, Gdańsk PL-80-233, Poland
| | - Sylwia Sowa
- Department of Organic Chemistry, Faculty of Chemistry, Institute of Chemical Sciences, Marie Curie-Sklodowska University in Lublin, 33 Gliniana Street, Lublin PL-20-614, Poland
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70
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‘Quick CuAAC’ Chemistry for Hg(II) and Mn(II) ion sensing via 9H-carbazole derivatives. Inorganica Chim Acta 2021. [DOI: 10.1016/j.ica.2021.120560] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
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71
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Ferraro V, Sole R, Bortoluzzi M, Beghetto V, Castro J. Tris
‐isocyanide copper(I) complex enabling copper azide‐alkyne cycloaddition in neat conditions. Appl Organomet Chem 2021. [DOI: 10.1002/aoc.6401] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Valentina Ferraro
- Dipartimento di Scienze Molecolari e Nanosistemi Università Ca' Foscari Venice Italy
| | - Roberto Sole
- Dipartimento di Scienze Molecolari e Nanosistemi Università Ca' Foscari Venice Italy
| | - Marco Bortoluzzi
- Dipartimento di Scienze Molecolari e Nanosistemi Università Ca' Foscari Venice Italy
- Consorzio Interuniversitario Reattività Chimica e Catalisi (CIRCC) Bari Italy
| | - Valentina Beghetto
- Dipartimento di Scienze Molecolari e Nanosistemi Università Ca' Foscari Venice Italy
- Consorzio Interuniversitario Reattività Chimica e Catalisi (CIRCC) Bari Italy
- Crossing srl Treviso Italy
| | - Jesús Castro
- Departamento de Química Inorgánica Universidade de Vigo, Facultade de Química, Edificio de Ciencias Experimentais Vigo Spain
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72
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Acik G. Fabrication of polypropylene fibers possessing quaternized ammonium salt based on the combination of CuAAC click chemistry and electrospinning. REACT FUNCT POLYM 2021. [DOI: 10.1016/j.reactfunctpolym.2021.105035] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
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73
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Afzali E, Mirjafary Z, Akbarzadeh A, Saeidian H. vvComplexation of copper ion-containing immobilized ionic liquid in designed hierarchical-functionalized layered double hydroxide nanoreactor for azide–alkyne cycloaddition reaction. INORG CHEM COMMUN 2021. [DOI: 10.1016/j.inoche.2021.108858] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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74
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Giofrè SV, Tiecco M, Ferlazzo A, Romeo R, Ciancaleoni G, Germani R, Iannazzo D. Base‐Free Copper‐Catalyzed Azide‐Alkyne Click Cycloadditions (CuAAc) in Natural Deep Eutectic Solvents as Green and Catalytic Reaction Media**. European J Org Chem 2021. [DOI: 10.1002/ejoc.202100698] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Salvatore Vincenzo Giofrè
- Dipartimento di Scienze Chimiche, Biologiche, Farmaceutiche ed Ambientali Università di Messina Viale Annunziata 98168 Messina Italy
| | - Matteo Tiecco
- Dipartimento di Chimica, Biologia e Biotecnologie Università di Perugia Via Elce di Sotto 8 06123 Perugia Italy
| | - Angelo Ferlazzo
- Dipartimento di Ingegneria Università of Messina Contrada Di Dio 98166 Messina Italy
| | - Roberto Romeo
- Dipartimento di Scienze Chimiche, Biologiche, Farmaceutiche ed Ambientali Università di Messina Viale Annunziata 98168 Messina Italy
| | - Gianluca Ciancaleoni
- Dipartimento di Chimica e Chimica Industriale (DCCI) Università di Pisa Via Giuseppe Moruzzi, 13 56124 Pisa Italy
| | - Raimondo Germani
- Dipartimento di Chimica, Biologia e Biotecnologie Università di Perugia Via Elce di Sotto 8 06123 Perugia Italy
| | - Daniela Iannazzo
- Dipartimento di Ingegneria Università of Messina Contrada Di Dio 98166 Messina Italy
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75
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Ghosh A, Paul I, Schmittel M. Cooperative Effects in Switchable Catalysis: Enhancing Double-Click Reaction Yield of Symmetrical Rotaxanes. Angew Chem Int Ed Engl 2021; 60:20558-20562. [PMID: 34289211 PMCID: PMC8457069 DOI: 10.1002/anie.202108269] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2021] [Indexed: 01/30/2023]
Abstract
Reversible switching between the closed cyclic dimeric assembly [Cu2 (1)2 ]2+ (OFF state) and the extended dimeric homoleptic complex [FeCu2 (1)2 ]4+ (ON State) by addition/removal of Fe2+ triggered catalysis of a double-click reaction and high yield preparation of [2]rotaxanes. Mechanistic and computational studies provide valuable general insight for double-click strategies by revealing cooperative effects in the second cycloaddition step due to a distance-tolerant preorganization of the first-click product by the two copper(I)-loaded phenanthroline subunits of [FeCu2 (1)2 ]4+ .
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Affiliation(s)
- Amit Ghosh
- Center of Micro and Nanochemistry and EngineeringOrganische Chemie IUniversity of SiegenAdolf-Reichwein Strasse 257068SiegenGermany
| | - Indrajit Paul
- Center of Micro and Nanochemistry and EngineeringOrganische Chemie IUniversity of SiegenAdolf-Reichwein Strasse 257068SiegenGermany
| | - Michael Schmittel
- Center of Micro and Nanochemistry and EngineeringOrganische Chemie IUniversity of SiegenAdolf-Reichwein Strasse 257068SiegenGermany
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76
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Ghosh A, Paul I, Schmittel M. Kooperative Effekte in schaltbarer Katalyse: Verbesserung der Doppel‐Click‐Reaktionsausbeuten von symmetrischen Rotaxanen. Angew Chem Int Ed Engl 2021. [DOI: 10.1002/ange.202108269] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Amit Ghosh
- Center of Micro and Nanochemistry and Engineering Organische Chemie I University of Siegen Adolf-Reichwein Straße 2 57068 Siegen Deutschland
| | - Indrajit Paul
- Center of Micro and Nanochemistry and Engineering Organische Chemie I University of Siegen Adolf-Reichwein Straße 2 57068 Siegen Deutschland
| | - Michael Schmittel
- Center of Micro and Nanochemistry and Engineering Organische Chemie I University of Siegen Adolf-Reichwein Straße 2 57068 Siegen Deutschland
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77
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Synthesis, physical and mechanical properties of amphiphilic hydrogels based on polycaprolactone and polyethylene glycol for bioapplications: A review. J IND ENG CHEM 2021. [DOI: 10.1016/j.jiec.2021.05.051] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
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78
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Rahman MT, Decker AM, Laudermilk L, Maitra R, Ma W, Ben Hamida S, Darcq E, Kieffer BL, Jin C. Evaluation of Amide Bioisosteres Leading to 1,2,3-Triazole Containing Compounds as GPR88 Agonists: Design, Synthesis, and Structure-Activity Relationship Studies. J Med Chem 2021; 64:12397-12413. [PMID: 34387471 PMCID: PMC8395584 DOI: 10.1021/acs.jmedchem.1c01075] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
Abstract
The orphan receptor GPR88 has been implicated in a number of striatal-associated disorders, yet its endogenous ligand has not been discovered. We have previously reported that the amine functionality in the 2-AMPP-derived GPR88 agonists can be replaced with an amide (e.g., 4) without losing activity. Later, we have found that the amide can be replaced with a bioisosteric 1,3,4-oxadiazole with improved potency. Here, we report a further study of amide bioisosteric replacement with a variety of azoles containing three heteroatoms, followed by a focused structure-activity relationship study, leading to the discovery of a series of novel 1,4-disubstituted 1H-1,2,3-triazoles as GPR88 agonists. Collectively, our medicinal chemistry efforts have resulted in a potent, efficacious, and brain-penetrant GPR88 agonist 53 (cAMP EC50 = 14 nM), which is a suitable probe to study GPR88 functions in the brain.
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Affiliation(s)
- Md Toufiqur Rahman
- Center for Drug Discovery, Research Triangle Institute, Research Triangle Park, North Carolina 27709, United States
| | - Ann M Decker
- Center for Drug Discovery, Research Triangle Institute, Research Triangle Park, North Carolina 27709, United States
| | - Lucas Laudermilk
- Center for Drug Discovery, Research Triangle Institute, Research Triangle Park, North Carolina 27709, United States
| | - Rangan Maitra
- Center for Drug Discovery, Research Triangle Institute, Research Triangle Park, North Carolina 27709, United States
| | - Weiya Ma
- Douglas Research Center, Department of Psychiatry, McGill University, Montréal, Quebec H4H 1R3, Canada
| | - Sami Ben Hamida
- Douglas Research Center, Department of Psychiatry, McGill University, Montréal, Quebec H4H 1R3, Canada
- INSERM U1114, University of Strasbourg, Strasbourg 67085, France
| | - Emmanuel Darcq
- Douglas Research Center, Department of Psychiatry, McGill University, Montréal, Quebec H4H 1R3, Canada
- INSERM U1114, University of Strasbourg, Strasbourg 67085, France
| | - Brigitte L Kieffer
- Douglas Research Center, Department of Psychiatry, McGill University, Montréal, Quebec H4H 1R3, Canada
- INSERM U1114, University of Strasbourg, Strasbourg 67085, France
| | - Chunyang Jin
- Center for Drug Discovery, Research Triangle Institute, Research Triangle Park, North Carolina 27709, United States
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79
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Thangarasu AK, Yadhukrishnan VO, Krishnakumar KA, Varma SS, Lankalapalli RS. Cu(I)-azidopyrrolo[3,2- d]pyrimidine Catalyzed Glaser-Hay Reaction under Mild Conditions. ACS ORGANIC & INORGANIC AU 2021; 2:3-7. [PMID: 36855403 PMCID: PMC9954286 DOI: 10.1021/acsorginorgau.1c00015] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
The limitation of the CuAAC "click" reaction with a 2-azidopyridine substrate, owing to its equilibrium with a tetrazole isomer, is exploited herein for its utility in the Glaser-Hay reaction. A catalytic combination of a 2-azidopyridine analogue, 4-azido-5H-pyrrolo[3,2-d]pyrimidine, and CuI afforded homocoupled products of terminal alkynes, without any trace of triazole product, under mild conditions with a broad substrate scope. Emphasis on carbohydrate-based substrates appended to a propargylic group led to 1,3-diynes in good to excellent yields.
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Affiliation(s)
- Arun K. Thangarasu
- Chemical
Sciences and Technology Division, CSIR-National
Institute for Interdisciplinary Science and Technology, Thiruvananthapuram 695019, India,Academy
of Scientific & Innovative Research (AcSIR), Ghaziabad-201002, India
| | - Velickakathu O. Yadhukrishnan
- Chemical
Sciences and Technology Division, CSIR-National
Institute for Interdisciplinary Science and Technology, Thiruvananthapuram 695019, India
| | - K. A. Krishnakumar
- Chemical
Sciences and Technology Division, CSIR-National
Institute for Interdisciplinary Science and Technology, Thiruvananthapuram 695019, India,Academy
of Scientific & Innovative Research (AcSIR), Ghaziabad-201002, India
| | - Sanjay Suresh Varma
- Chemical
Sciences and Technology Division, CSIR-National
Institute for Interdisciplinary Science and Technology, Thiruvananthapuram 695019, India
| | - Ravi S. Lankalapalli
- Chemical
Sciences and Technology Division, CSIR-National
Institute for Interdisciplinary Science and Technology, Thiruvananthapuram 695019, India,Academy
of Scientific & Innovative Research (AcSIR), Ghaziabad-201002, India,
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80
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Zhang J, Wang M, Wang H, Xu H, Chen J, Guo Z, Ma B, Ban SR, Dai HX. Construction of 2-alkynyl aza-spiro[4,5]indole scaffolds via sequential C-H activations for modular click chemistry libraries. Chem Commun (Camb) 2021; 57:8656-8659. [PMID: 34373875 DOI: 10.1039/d1cc02798k] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Abstract
Herein, we have developed a strategy of sequential C-H activations of indole to construct novel 2-alkynyl aza-spiro[4,5]indole scaffolds, which incorporated both alkyne and spiro-units into indole. Gram-scale synthesis and a one-pot, three-step synthesis demonstrated the utility of this protocol. Hybrid conjugates with an oseltamivir derivative further offered a powerful tool for the construction of a versatile spiroindole-containing library via click chemistry.
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Affiliation(s)
- Jun Zhang
- School of Pharmaceutical Science, Shanxi Medical University, 56 Xinjian South Road, Taiyuan 030001, China.
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81
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Construction of antifouling fluorinated polymer brush via activators regenerated by electron transfer ATRP and thiol-epoxy click reaction. REACT FUNCT POLYM 2021. [DOI: 10.1016/j.reactfunctpolym.2021.104974] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
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82
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Goswami A, Özer MS, Paul I, Schmittel M. Evolution of catalytic machinery: three-component nanorotor catalyzes formation of four-component catalytic machinery. Chem Commun (Camb) 2021; 57:7180-7183. [PMID: 34190276 DOI: 10.1039/d1cc02805g] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The three-component nanorotor [Cu2(S)(R)]2+ (k298 = 46.0 kHz) that is a catalyst for a CuAAC reaction binds the click product at each of its copper centers thereby creating a new platform and a dynamic slider-on-deck system. Due to this sliding motion (k298 = 65.0 kHz) the zinc-porphyrin bound N-methylpyrrolidine is efficiently released into solution and catalyzes a follow-up Michael addition.
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Affiliation(s)
- Abir Goswami
- Center of Micro and Nanochemistry and Engineering, Organische Chemie I, Universität Siegen, Adolf-Reichwein-Str. 2, Siegen D-57068, Germany.
| | - Merve S Özer
- Center of Micro and Nanochemistry and Engineering, Organische Chemie I, Universität Siegen, Adolf-Reichwein-Str. 2, Siegen D-57068, Germany.
| | - Indrajit Paul
- Center of Micro and Nanochemistry and Engineering, Organische Chemie I, Universität Siegen, Adolf-Reichwein-Str. 2, Siegen D-57068, Germany.
| | - Michael Schmittel
- Center of Micro and Nanochemistry and Engineering, Organische Chemie I, Universität Siegen, Adolf-Reichwein-Str. 2, Siegen D-57068, Germany.
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83
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Abstract
A growing theme in chemistry is the joining of multiple organic molecular building blocks to create functional molecules. Diverse derivatizable structures—here termed “scaffolds” comprised of “hubs”—provide the foundation for systematic covalent organization of a rich variety of building blocks. This review encompasses 30 tri- or tetra-armed molecular hubs (e.g., triazine, lysine, arenes, dyes) that are used directly or in combination to give linear, cyclic, or branched scaffolds. Each scaffold is categorized by graph theory into one of 31 trees to express the molecular connectivity and overall architecture. Rational chemistry with exacting numbers of derivatizable sites is emphasized. The incorporation of water-solubilization motifs, robust or self-immolative linkers, enzymatically cleavable groups and functional appendages affords immense (and often late-stage) diversification of the scaffolds. Altogether, 107 target molecules are reviewed along with 19 syntheses to illustrate the distinctive chemistries for creating and derivatizing scaffolds. The review covers the history of the field up through 2020, briefly touching on statistically derivatized carriers employed in immunology as counterpoints to the rationally assembled and derivatized scaffolds here, although most citations are from the past two decades. The scaffolds are used widely in fields ranging from pure chemistry to artificial photosynthesis and biomedical sciences.
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84
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Kalra P, Kaur R, Singh G, Singh H, Singh G, Pawan, Kaur G, Singh J. Metals as “Click” catalysts for alkyne-azide cycloaddition reactions: An overview. J Organomet Chem 2021. [DOI: 10.1016/j.jorganchem.2021.121846] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
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85
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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: 162] [Impact Index Per Article: 54.0] [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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86
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Abstract
The merging of click chemistry with discrete photochemical processes has led to the creation of a new class of click reactions, collectively known as photoclick chemistry. These light-triggered click reactions allow the synthesis of diverse organic structures in a rapid and precise manner under mild conditions. Because light offers unparalleled spatiotemporal control over the generation of the reactive intermediates, photoclick chemistry has become an indispensable tool for a wide range of spatially addressable applications including surface functionalization, polymer conjugation and cross-linking, and biomolecular labeling in the native cellular environment. Over the past decade, a growing number of photoclick reactions have been developed, especially those based on the 1,3-dipolar cycloadditions and Diels-Alder reactions owing to their excellent reaction kinetics, selectivity, and biocompatibility. This review summarizes the recent advances in the development of photoclick reactions and their applications in chemical biology and materials science. A particular emphasis is placed on the historical contexts and mechanistic insights into each of the selected reactions. The in-depth discussion presented here should stimulate further development of the field, including the design of new photoactivation modalities, the continuous expansion of λ-orthogonal tandem photoclick chemistry, and the innovative use of these unique tools in bioconjugation and nanomaterial synthesis.
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Affiliation(s)
- Gangam Srikanth Kumar
- Department of Chemistry, State University of New York at Buffalo, Buffalo, New York 14260-3000, United States
| | - Qing Lin
- Department of Chemistry, State University of New York at Buffalo, Buffalo, New York 14260-3000, United States
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87
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Liang J, Jia H, Li L, Li X, Li Y. β-Difluoroalkylamine as a Motif for Singlet Oxygen-Mediated Proximity Labeling in Living Cells. Org Lett 2021; 23:4640-4644. [PMID: 34076445 DOI: 10.1021/acs.orglett.1c01377] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
We designed β-difluoroalkylamine to capture RNAs and proteins with high tempospatial resolution via proximity labeling mediated by photoinduced singlet oxygen. The appended azide group allows for RNA biotinylation and downstream analysis through both SPAAC and CuAAC. In particular, the β-difluoroalkylazide motif enjoys an enhanced CuAAC reaction rate, thus preserving good RNA integrity.
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Affiliation(s)
- Jiying Liang
- Department of Chemistry, The University of Hong Kong, Pokfulam Road, HK SAR, China
| | - Han Jia
- Department of Chemistry, The University of Hong Kong, Pokfulam Road, HK SAR, China
| | - Lan Li
- Department of Chemistry, The University of Hong Kong, Pokfulam Road, HK SAR, China
| | - Xiang Li
- Zhongnan Hospital, Wuhan University, Wuhan 430071, China
| | - Ying Li
- Department of Chemistry, The University of Hong Kong, Pokfulam Road, HK SAR, China
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88
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Chetia M, Konwar M, Pegu B, Konwer S, Sarma D. Synthesis of copper containing polyaniline composites through interfacial polymerisation: An effective catalyst for Click reaction at room temperature. J Mol Struct 2021. [DOI: 10.1016/j.molstruc.2021.130019] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
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89
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Perrone D, Marchesi E, Preti L, Navacchia ML. Modified Nucleosides, Nucleotides and Nucleic Acids via Click Azide-Alkyne Cycloaddition for Pharmacological Applications. Molecules 2021; 26:3100. [PMID: 34067312 PMCID: PMC8196910 DOI: 10.3390/molecules26113100] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2021] [Revised: 05/17/2021] [Accepted: 05/18/2021] [Indexed: 11/17/2022] Open
Abstract
The click azide = alkyne 1,3-dipolar cycloaddition (click chemistry) has become the approach of choice for bioconjugations in medicinal chemistry, providing facile reaction conditions amenable to both small and biological molecules. Many nucleoside analogs are known for their marked impact in cancer therapy and for the treatment of virus diseases and new targeted oligonucleotides have been developed for different purposes. The click chemistry allowing the tolerated union between units with a wide diversity of functional groups represents a robust means of designing new hybrid compounds with an extraordinary diversity of applications. This review provides an overview of the most recent works related to the use of click chemistry methodology in the field of nucleosides, nucleotides and nucleic acids for pharmacological applications.
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Affiliation(s)
- Daniela Perrone
- Department of Chemical, Pharmaceutical and Agricultural Sciences, University of Ferrara, 44121 Ferrara, Italy; (E.M.); (L.P.)
| | - Elena Marchesi
- Department of Chemical, Pharmaceutical and Agricultural Sciences, University of Ferrara, 44121 Ferrara, Italy; (E.M.); (L.P.)
| | - Lorenzo Preti
- Department of Chemical, Pharmaceutical and Agricultural Sciences, University of Ferrara, 44121 Ferrara, Italy; (E.M.); (L.P.)
| | - Maria Luisa Navacchia
- Institute of Organic Synthesis and Photoreactivity National Research Council, 40129 Bologna, Italy
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90
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Barma A, Bhattacharjee A, Roy P. Dinuclear Copper(II) Complexes with N,O Donor Ligands: Partial Ligand Hydrolysis and Alcohol Oxidation Catalysis. Eur J Inorg Chem 2021. [DOI: 10.1002/ejic.202100263] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Affiliation(s)
- Arpita Barma
- Department of Chemistry Jadavpur University Jadavpur Kolkata 700 032 India
| | | | - Partha Roy
- Department of Chemistry Jadavpur University Jadavpur Kolkata 700 032 India
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91
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Agouram N, El Hadrami EM, Bentama A. 1,2,3-Triazoles as Biomimetics in Peptide Science. Molecules 2021; 26:2937. [PMID: 34069302 PMCID: PMC8156386 DOI: 10.3390/molecules26102937] [Citation(s) in RCA: 22] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2021] [Revised: 05/05/2021] [Accepted: 05/05/2021] [Indexed: 01/10/2023] Open
Abstract
Natural peptides are an important class of chemical mediators, essential for most vital processes. What limits the potential of the use of peptides as drugs is their low bioavailability and enzymatic degradation in vivo. To overcome this limitation, the development of new molecules mimicking peptides is of great importance for the development of new biologically active molecules. Therefore, replacing the amide bond in a peptide with a heterocyclic bioisostere, such as the 1,2,3-triazole ring, can be considered an effective solution for the synthesis of biologically relevant peptidomimetics. These 1,2,3-triazoles may have an interesting biological activity, because they behave as rigid link units, which can mimic the electronic properties of amide bonds and show bioisosteric effects. Additionally, triazole can be used as a linker moiety to link peptides to other functional groups.
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Affiliation(s)
- Naima Agouram
- Laboratory of Applied Organic Chemistry, Faculty of Science and Technology, Sidi Mohammed Ben Abdellah University, Immouzer Road, Fez 30050, Morocco; (E.M.E.H.); (A.B.)
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92
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Assali M, Kittana N, Dayyeh S, Khiar N. Dual covalent functionalization of single-walled carbon nanotubes for effective targeted cancer therapy. NANOTECHNOLOGY 2021; 32:205101. [PMID: 33561838 DOI: 10.1088/1361-6528/abe48c] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
Chemotherapy is a mainstay strategy in the management of cancer. Regrettably, current chemotherapeutic agents are cytotoxic not only to cancer cells but also to healthy cells, resulting in dose-limiting serious side effects. Therefore, many researchers are eager to develop new drug delivery systems that may help to decrease the side effects and the target delivery of chemotherapy to cancer cells. One of the epochal drug delivery systems in this field is based on carbon nanotubes technology. The aim of this work is the dual covalent functionalization of single-walled carbon nanotubes (SWCNTs) with doxorubicin (DOX) connected with acid-labile linkage and mannose (Man) as a targeting agent. The characterization of the developed nano-drug by transmission electron microscopy showed good dispersibility of the functionalized SWCNTs with diameters (6-10) nm. Moreover, the percentage of functionalization was determined by thermogravimetric analysis showing 25% of functionalization in the case of SWNCTs-NHN-DOX (7) and 51% for SWCNTs-Man-NHN-DOX (11). The in vitro release profile of Dox from SWNCTs-NHN-DOX (7) showed 45% of the loaded drug was released over 18 h at pH 7.4 and almost complete release at pH 6.4 at 37 °C. However, the in vitro release profile of Dox from SWCNTs-Man-NHN-DOX (11) showed 75% of the loaded drug was released over 5 h at pH 6.4 at 37 °C. The cytotoxic effect of the compounds was studied on liver cancer cells (HepG2) at different concentrations and different pH conditions and was compared with DOX alone. The cytotoxicity of compounds SWCNTs-NHN-DOX (7) and SWCNTs-Man-NHN-DOX (11) was enhanced at pH 6.5, where the cell viability in both test compounds was significantly reduced by almost 50% compared to the cell viability at pH 7.4 for the same test compound Moreover, the pre-incubation of cells with different concentrations of mannose reduced the cytotoxicity of compound (11) by more than 50%, suggesting that the entry of this complex could be at least in part facilitated by mannose receptors, which imparts this complex a kind of selectivity for cancer cells that overexpress this type of receptors.
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Affiliation(s)
- Mohyeddin Assali
- Department of Pharmacy, Faculty of Medicine and Health Sciences, An-Najah National University, PO Box 7, Nablus, Palestine †
| | - Naim Kittana
- Department of Biomedical Sciences, Faculty of Medicine & Health Sciences, An Najah National University, PO Box 7, Nablus, Palestine †
| | - Safa' Dayyeh
- Department of Pharmacy, Faculty of Medicine and Health Sciences, An-Najah National University, PO Box 7, Nablus, Palestine †
| | - Noureddine Khiar
- Asymmetric Synthesis and Functional Nanosystems Group, Institute of Chemical Research-Universidad de Sevilla, Avda. AméricoVespucio, E-41092 Seville, Spain
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93
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Zeng F, Zhang M, Li Y. Cu
2+
ion crosslinked carboxymethylcellulose/diatomite composite beads as an efficient catalyst for
CuAAC
reactions. POLYM ADVAN TECHNOL 2021. [DOI: 10.1002/pat.5369] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Affiliation(s)
- Fang Zeng
- Department of Chemistry, College of Chemistry and Materials Science, Panyu Campus Jinan University Guangzhou PR China
| | - Mingjuan Zhang
- Department of Chemistry, College of Chemistry and Materials Science, Panyu Campus Jinan University Guangzhou PR China
| | - Yiqun Li
- Department of Chemistry, College of Chemistry and Materials Science, Panyu Campus Jinan University Guangzhou PR China
- CAS Key Laboratory of Synthetic Chemistry of Natural Substances Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences Shanghai China
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94
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Ceballos J, Grinhagena E, Sangouard G, Heinis C, Waser J. Cys-Cys and Cys-Lys Stapling of Unprotected Peptides Enabled by Hypervalent Iodine Reagents. Angew Chem Int Ed Engl 2021; 60:9022-9031. [PMID: 33450121 PMCID: PMC8048981 DOI: 10.1002/anie.202014511] [Citation(s) in RCA: 41] [Impact Index Per Article: 13.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2020] [Revised: 12/22/2020] [Indexed: 12/31/2022]
Abstract
Easy access to a wide range of structurally diverse stapled peptides is crucial for the development of inhibitors of protein-protein interactions. Herein, we report bis-functional hypervalent iodine reagents for two-component cysteine-cysteine and cysteine-lysine stapling yielding structurally diverse thioalkyne linkers. This stapling method works with unprotected natural amino acid residues and does not require pre-functionalization or metal catalysis. The products are stable to purification and isolation. Post-stapling modification can be accessed via amidation of an activated ester, or via cycloaddition onto the formed thioalkyne group. Increased helicity and binding affinity to MDM2 was obtained for a i,i+7 stapled peptide.
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Affiliation(s)
- Javier Ceballos
- Laboratory of Catalysis and Organic SynthesisEcole Polytechnique Fédérale de LausanneEPFL SB ISIC LCSO, BCH 14021015LausanneSwitzerland
| | - Elija Grinhagena
- Laboratory of Catalysis and Organic SynthesisEcole Polytechnique Fédérale de LausanneEPFL SB ISIC LCSO, BCH 14021015LausanneSwitzerland
| | - Gontran Sangouard
- Laboratory of Therapeutic Proteins and PeptidesEcole Polytechnique Fédérale de Lausanne, EPFL SB ISIC LPPT, BCH 53051015LausanneSwitzerland
| | - Christian Heinis
- Laboratory of Therapeutic Proteins and PeptidesEcole Polytechnique Fédérale de Lausanne, EPFL SB ISIC LPPT, BCH 53051015LausanneSwitzerland
| | - Jerome Waser
- Laboratory of Catalysis and Organic SynthesisEcole Polytechnique Fédérale de LausanneEPFL SB ISIC LCSO, BCH 14021015LausanneSwitzerland
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95
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Capaldo L, Ravelli D. Decatungstate as Direct Hydrogen Atom Transfer Photocatalyst for SOMOphilic Alkynylation. Org Lett 2021; 23:2243-2247. [PMID: 33656899 PMCID: PMC8041368 DOI: 10.1021/acs.orglett.1c00381] [Citation(s) in RCA: 33] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Abstract
![]()
A versatile approach
for the alkynylation of a variety of aliphatic
hydrogen donors, including alkanes, is reported. We used tetrabutylammonium
decatungstate as photocatalyst to generate organoradicals from C–H/Si–H
bonds via hydrogen atom transfer. The latter intermediates underwent
SOMOphilic alkynylation by methanesulfonyl alkynes to afford internal
alkynes upon loss of a sulfonyl radical. The effect of different radicofugal
groups on the reaction outcome was evaluated and rationalized via
a combined experimental and computational approach.
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Affiliation(s)
- Luca Capaldo
- Flow Chemistry Group, Van't Hoff Institute for Molecular Sciences (HIMS), University of Amsterdam, Science Park 904, 1098 XH Amsterdam, The Netherlands.,PhotoGreen Lab, Department of Chemistry, University of Pavia, Viale Taramelli 12, 27100 Pavia, Italy
| | - Davide Ravelli
- PhotoGreen Lab, Department of Chemistry, University of Pavia, Viale Taramelli 12, 27100 Pavia, Italy
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96
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Ceballos J, Grinhagena E, Sangouard G, Heinis C, Waser J. Cys–Cys and Cys–Lys Stapling of Unprotected Peptides Enabled by Hypervalent Iodine Reagents. Angew Chem Int Ed Engl 2021. [DOI: 10.1002/ange.202014511] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Affiliation(s)
- Javier Ceballos
- Laboratory of Catalysis and Organic Synthesis Ecole Polytechnique Fédérale de Lausanne EPFL SB ISIC LCSO, BCH 1402 1015 Lausanne Switzerland
| | - Elija Grinhagena
- Laboratory of Catalysis and Organic Synthesis Ecole Polytechnique Fédérale de Lausanne EPFL SB ISIC LCSO, BCH 1402 1015 Lausanne Switzerland
| | - Gontran Sangouard
- Laboratory of Therapeutic Proteins and Peptides Ecole Polytechnique Fédérale de Lausanne, EPFL SB ISIC LPPT, BCH 5305 1015 Lausanne Switzerland
| | - Christian Heinis
- Laboratory of Therapeutic Proteins and Peptides Ecole Polytechnique Fédérale de Lausanne, EPFL SB ISIC LPPT, BCH 5305 1015 Lausanne Switzerland
| | - Jerome Waser
- Laboratory of Catalysis and Organic Synthesis Ecole Polytechnique Fédérale de Lausanne EPFL SB ISIC LCSO, BCH 1402 1015 Lausanne Switzerland
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97
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Ahmed MK, Kumer A, Imran AB. Facile fabrication of polymer network using click chemistry and their computational study. ROYAL SOCIETY OPEN SCIENCE 2021; 8:202056. [PMID: 33959358 PMCID: PMC8074938 DOI: 10.1098/rsos.202056] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 11/14/2020] [Accepted: 02/04/2021] [Indexed: 06/12/2023]
Abstract
Click reaction is a very fast, high yield with no by-product, biocompatible, tolerant to surrounded medium, and very specific cycloaddition reaction between azides and alkynes to form triazole. They are widely being employed in the synthesis of various polymeric materials. Here, the design, fabrication and characterization of hydrogel prepared using click reaction have been reported. At first, telechelic acetylene precursor for click reaction is prepared from diisocyanatohexane and propargyl alcohol in the presence of triethylamine. The azide derivatives of poly(hydroxyethylmethacrylate), i.e. poly(HEMA), are successfully prepared following two different routes. In route 1, esterification of bromopropionic acid is performed with HEMA monomer using N,N'-dicyclohexylcarbodiimide/4-dimethylaminopyridine (DCC/DMAP) as a catalyst followed by replacing bromide by azide moiety. Free radical polymerization of the fabricated monomer is then performed under N2 atmosphere using azobisisobutyronitrile (AIBN) as an initiator. In route 2, polymerization of HEMA has been carried out first, then modification of the polymer with azide group via successive steps to obtain azide derivative polymer for click reaction. The hydrogel is prepared by a very fast, highly specific, and simple click reaction between azide derivative polymer and telechelic acetylene precursor using copper as a catalyst. The structures of derivatives of azide-functionalized HEMA, acetylene precursors and hydrogels are confirmed by FTIR and 1H-NMR spectroscopy. The optimized structure of each precursor is determined, and their chemical and thermodynamic parameters are computationally studied in detail.
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Affiliation(s)
- Md. Kausar Ahmed
- Department of Chemistry, Faculty of Engineering, Bangladesh University of Engineering and Technology, Dhaka 1000, Bangladesh
| | - Ajoy Kumer
- Department of Chemistry, Faculty of Engineering, Bangladesh University of Engineering and Technology, Dhaka 1000, Bangladesh
| | - Abu Bin Imran
- Department of Chemistry, Faculty of Engineering, Bangladesh University of Engineering and Technology, Dhaka 1000, Bangladesh
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98
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Saini P, Sonika, Singh G, Kaur G, Singh J, Singh H. Robust and Versatile Cu(I) metal frameworks as potential catalysts for azide-alkyne cycloaddition reactions: Review. MOLECULAR CATALYSIS 2021. [DOI: 10.1016/j.mcat.2021.111432] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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99
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Zhang X, Wu Y, Chen J, Yang Y, Li G. Bioinspired Artificial "Clickase" for the Catalytic Click Immunoassay of Foodborne Pathogens. Anal Chem 2021; 93:3217-3225. [PMID: 33525867 DOI: 10.1021/acs.analchem.0c04732] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
The copper(I)-catalyzed azide-alkyne cycloaddition (CuAAC) click reaction has drawn increasing attention in the field of analytical science. However, the poor stability of Cu(I) usually hinders not only the simplicity of the click reaction but also its applications in precise analyses. Therefore, the development of a nanocatalyst containing stable Cu(I) is of great significance for broadening the application of CuAAC-based assays. Herein, inspired by the active center structure of natural multicopper oxidases (MCOs), we successfully prepared a novel nanocatalyst containing abundant stable Cu(I) as an artificial "clickase" (namely, CCN) by using glutathione to stabilize Cu(I). The stability and enzyme-like catalytic activity in the CuAAC reaction of the prepared CCN clickase were studied, and the catalytic mechanism of the CCN clickase-mediated CuAAC reaction between 3-azide-7-hydroxycoumarin (Azide 1) and propargyl alcohol (Alkyne 2) was also revealed. Compared with the existing solid CuO nanocatalysts used in CuAAC-based assays, CCN clickases exhibited plenty of superior properties (including high stability, excellent catalytic activity, no requirements of dissolution and reducing agents/radical initiator during the detection, well-defined porosities benefiting the substrate diffusion, and good biocompatibility), which can greatly increase the reaction efficiency and shorten the detection time. Encouraged by these remarkable performances, CCN clickases were used as labels to establish a new catalytic click fluorescence immunoassay for foodborne pathogens. Notably, the proposed CCN clickase-based immunoassay exhibited high analytical performances for the quantification of Salmonella enteritidis in the linear range of 102-106 CFU/mL with a limit of detection as low as 11 CFU/mL. The developed method has also been used in the determination of S. enteritidis in food samples, showing its great potential in the detection of foodborne pathogens.
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Affiliation(s)
- Xianlong Zhang
- School of Food and Biological Engineering, Shaanxi University of Science and Technology, Xi'an 710021, China
| | - Yongning Wu
- School of Food and Biological Engineering, Shaanxi University of Science and Technology, Xi'an 710021, China.,NHC Key Laboratory of Food Safety Risk Assessment, Food Safety Research Unit (2019RU014) of Chinese Academy of Medical Science, China National Center for Food Safety Risk Assessment, Beijing 100021, China
| | - Juhong Chen
- Department of Biological Systems Engineering, Virginia Tech, Blacksburg, Virginia 24061, United States
| | - Yan Yang
- School of Food and Biological Engineering, Shaanxi University of Science and Technology, Xi'an 710021, China
| | - Guoliang Li
- School of Food and Biological Engineering, Shaanxi University of Science and Technology, Xi'an 710021, China
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100
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Darroudi M, Hamzehloueian M, Sarrafi Y. An experimental and mechanism study on the regioselective click reaction toward the synthesis of thiazolidinone-triazole. Heliyon 2021; 7:e06113. [PMID: 33644441 PMCID: PMC7889834 DOI: 10.1016/j.heliyon.2021.e06113] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2020] [Revised: 07/23/2020] [Accepted: 01/26/2021] [Indexed: 12/14/2022] Open
Abstract
An efficient procedure for the synthesis of novel thiazolidinone triazoles through 32 cycloaddition reactions in the presence of copper(I) species was described, and the molecular mechanism of this 32CA was investigated computationally. Different possible pathways for CA process have been studied to achieve this goal, including one-step pathways for both regioisomers 1,4- and 1,5-triazoles (uncatalyzed, mono-copper, di-copper) and also mono- and di-copper stepwise pathways for 1,4-disubstituted triazole. It was exhibited that the most convenient route in terms of energy barriers includes two copper ions. Based on the calculation, the reaction follows a di-copper stepwise mechanism involving the formation of a six-membered ring and then undergoes a ring contraction to a five-membered ring. The regiochemistry of the reaction was investigated based on local and global reactivity indices of reactants, the transition state stabilities calculation. The electron reorganization along the uncatalyzed one-step mechanism has been investigated by the ELF topological analysis of the bonding changes along with the CA reaction.
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Affiliation(s)
- Mahdieh Darroudi
- Department of Organic Chemistry, Faculty of Chemistry, University of Mazandaran, 47416 Babolsar, Iran
| | | | - Yaghoub Sarrafi
- Department of Organic Chemistry, Faculty of Chemistry, University of Mazandaran, 47416 Babolsar, Iran
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