51
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Pektas B, Sagdic G, Daglar O, Luleburgaz S, Gunay US, Hizal G, Tunca U, Durmaz H. Ultrafast synthesis of dialkyne-functionalized polythioether and post-polymerization modification via click chemistry. POLYMER 2022. [DOI: 10.1016/j.polymer.2022.124989] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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52
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Demange P, Joly E, Marcoux J, Zanon PRA, Listunov D, Rullière P, Barthes C, Noirot C, Izquierdo JB, Rozié A, Pradines K, Hee R, de Brito MV, Marcellin M, Serre RF, Bouchez O, Burlet-Schiltz O, Oliveira MCF, Ballereau S, Bernardes-Génisson V, Maraval V, Calsou P, Hacker SM, Génisson Y, Chauvin R, Britton S. SDR enzymes oxidize specific lipidic alkynylcarbinols into cytotoxic protein-reactive species. eLife 2022; 11:73913. [PMID: 35535493 PMCID: PMC9090334 DOI: 10.7554/elife.73913] [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: 09/15/2021] [Accepted: 04/19/2022] [Indexed: 11/21/2022] Open
Abstract
Hundreds of cytotoxic natural or synthetic lipidic compounds contain chiral alkynylcarbinol motifs, but the mechanism of action of those potential therapeutic agents remains unknown. Using a genetic screen in haploid human cells, we discovered that the enantiospecific cytotoxicity of numerous terminal alkynylcarbinols, including the highly cytotoxic dialkynylcarbinols, involves a bioactivation by HSD17B11, a short-chain dehydrogenase/reductase (SDR) known to oxidize the C-17 carbinol center of androstan-3-alpha,17-beta-diol to the corresponding ketone. A similar oxidation of dialkynylcarbinols generates dialkynylketones, that we characterize as highly protein-reactive electrophiles. We established that, once bioactivated in cells, the dialkynylcarbinols covalently modify several proteins involved in protein-quality control mechanisms, resulting in their lipoxidation on cysteines and lysines through Michael addition. For some proteins, this triggers their association to cellular membranes and results in endoplasmic reticulum stress, unfolded protein response activation, ubiquitin-proteasome system inhibition and cell death by apoptosis. Finally, as a proof-of-concept, we show that generic lipidic alkynylcarbinols can be devised to be bioactivated by other SDRs, including human RDH11 and HPGD/15-PGDH. Given that the SDR superfamily is one of the largest and most ubiquitous, this unique cytotoxic mechanism-of-action could be widely exploited to treat diseases, in particular cancer, through the design of tailored prodrugs.
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Affiliation(s)
- Pascal Demange
- Institut de Pharmacologie et de Biologie Structurale, IPBS, CNRS, Université de Toulouse, Toulouse, France
| | - Etienne Joly
- Institut de Pharmacologie et de Biologie Structurale, IPBS, CNRS, Université de Toulouse, Toulouse, France
| | - Julien Marcoux
- Institut de Pharmacologie et de Biologie Structurale, IPBS, CNRS, Université de Toulouse, Toulouse, France
| | - Patrick R A Zanon
- Leiden Institute of Chemistry, Leiden University, Leiden, Netherlands.,Department of Chemistry, Technical University of Munich, Garching, Germany
| | - Dymytrii Listunov
- SPCMIB, UMR5068, CNRS, Université de Toulouse, UPS, Toulouse, France.,LCC-CNRS, Université de Toulouse, CNRS, UPS, Toulouse, France
| | - Pauline Rullière
- SPCMIB, UMR5068, CNRS, Université de Toulouse, UPS, Toulouse, France
| | - Cécile Barthes
- LCC-CNRS, Université de Toulouse, CNRS, UPS, Toulouse, France
| | - Céline Noirot
- INRAE, UR 875 Unité de Mathématique et Informatique Appliquées, Genotoul Bioinfo Auzeville, Castanet-Tolosan, France
| | - Jean-Baptiste Izquierdo
- Institut de Pharmacologie et de Biologie Structurale, IPBS, CNRS, Université de Toulouse, Toulouse, France
| | - Alexandrine Rozié
- Institut de Pharmacologie et de Biologie Structurale, IPBS, CNRS, Université de Toulouse, Toulouse, France.,Equipe labellisée la Ligue contre le Cancer 2018, Toulouse, France
| | - Karen Pradines
- Institut de Pharmacologie et de Biologie Structurale, IPBS, CNRS, Université de Toulouse, Toulouse, France.,Equipe labellisée la Ligue contre le Cancer 2018, Toulouse, France
| | - Romain Hee
- Institut de Pharmacologie et de Biologie Structurale, IPBS, CNRS, Université de Toulouse, Toulouse, France.,Equipe labellisée la Ligue contre le Cancer 2018, Toulouse, France
| | - Maria Vieira de Brito
- LCC-CNRS, Université de Toulouse, CNRS, UPS, Toulouse, France.,Department of Organic and Inorganic Chemistry, Science Center, Federal University of Ceará, Fortaleza, Brazil
| | - Marlène Marcellin
- Institut de Pharmacologie et de Biologie Structurale, IPBS, CNRS, Université de Toulouse, Toulouse, France
| | | | | | - Odile Burlet-Schiltz
- Institut de Pharmacologie et de Biologie Structurale, IPBS, CNRS, Université de Toulouse, Toulouse, France
| | | | | | | | - Valérie Maraval
- LCC-CNRS, Université de Toulouse, CNRS, UPS, Toulouse, France
| | - Patrick Calsou
- Institut de Pharmacologie et de Biologie Structurale, IPBS, CNRS, Université de Toulouse, Toulouse, France.,Equipe labellisée la Ligue contre le Cancer 2018, Toulouse, France
| | - Stephan M Hacker
- Leiden Institute of Chemistry, Leiden University, Leiden, Netherlands.,Department of Chemistry, Technical University of Munich, Garching, Germany
| | - Yves Génisson
- SPCMIB, UMR5068, CNRS, Université de Toulouse, UPS, Toulouse, France
| | - Remi Chauvin
- LCC-CNRS, Université de Toulouse, CNRS, UPS, Toulouse, France
| | - Sébastien Britton
- Institut de Pharmacologie et de Biologie Structurale, IPBS, CNRS, Université de Toulouse, Toulouse, France.,Equipe labellisée la Ligue contre le Cancer 2018, Toulouse, France
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53
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Li B, Wang J, He B, Qin A, Tang BZ. Activated Internal
Alkyne‐Based
Polymerization. CHINESE J CHEM 2022. [DOI: 10.1002/cjoc.202200073] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Baixue Li
- State Key Laboratory of Luminescent Materials and Devices, Guangdong Provincial Key Laboratory of Luminescence from Molecular Aggregates, Center for Aggregation Induced Emission, AIE Institute South China University of Technology Guangzhou 510640 China
| | - Jia Wang
- State Key Laboratory of Luminescent Materials and Devices, Guangdong Provincial Key Laboratory of Luminescence from Molecular Aggregates, Center for Aggregation Induced Emission, AIE Institute South China University of Technology Guangzhou 510640 China
| | - Benzhao He
- Center for Advanced Materials Research, Advanced Institute of Natural Sciences Beijing Normal University at Zhuhai Zhuhai 519085 China
| | - Anjun Qin
- State Key Laboratory of Luminescent Materials and Devices, Guangdong Provincial Key Laboratory of Luminescence from Molecular Aggregates, Center for Aggregation Induced Emission, AIE Institute South China University of Technology Guangzhou 510640 China
| | - Ben Zhong Tang
- State Key Laboratory of Luminescent Materials and Devices, Guangdong Provincial Key Laboratory of Luminescence from Molecular Aggregates, Center for Aggregation Induced Emission, AIE Institute South China University of Technology Guangzhou 510640 China
- School of Science and Engineering, Shenzhen Institute of Aggregate Science and Technology The Chinese University of Hong Kong Shenzhen Guangdong 518172 China
- Hong Kong Branch of Chinese National Engineering Research Center for Tissue Restoration and Reconstruction The Hong Kong University of Science and Technology, Clear Water Bay Kowloon Hong Kong, China
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54
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Altinkok C, Acik G, Daglar O, Durmaz H, Tunc I, Agel E. A facile approach for the fabrication of antibacterial nanocomposites: A case study for AgNWs/Poly(1,4-Cyclohexanedimethylene Acetylene Dicarboxylate) composite networks by aza-Michael addition. Eur Polym J 2022. [DOI: 10.1016/j.eurpolymj.2022.111130] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
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55
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Pramanik M, Mathuri A, Mal P. t BuOLi-promoted terminal alkyne functionalizations by aliphatic thiols and alcohols. Org Biomol Chem 2022; 20:2671-2680. [PMID: 35293412 DOI: 10.1039/d2ob00079b] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Selective radical addition to terminal alkynes is always a difficult task to achieve because it gives a mixture of stereo- and regioisomers. Herein we describe the selective addition of aliphatic thiols or alcohols to N-phenylpropiolamides (terminal alkynes) using lithium tert-butoxide (tBuOLi) in ethanol as a promoter. Mechanistically, it has been shown that the reaction proceeded through the generation of a thiyl radical intermediate, and the amide group in N-phenylpropiolamide could help in the activation of the alkyne, which led to thioacetalization via the formation of a (Z)-selective anti-Markovnikov vinyl sulfide. The (Z)-selectivity during the formation of vinyl sulfides was controlled by an intramolecular sulfur⋯oxygen interaction.
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Affiliation(s)
- Milan Pramanik
- School of Chemical Sciences, National Institute of Science Education and Research (NISER) Bhubaneswar, An OCC of Homi Bhabha National Institute, PO Bhimpur-Padanpur, Via Jatni, District Khurda, Odisha 752050, India.
| | - Ashis Mathuri
- School of Chemical Sciences, National Institute of Science Education and Research (NISER) Bhubaneswar, An OCC of Homi Bhabha National Institute, PO Bhimpur-Padanpur, Via Jatni, District Khurda, Odisha 752050, India.
| | - Prasenjit Mal
- School of Chemical Sciences, National Institute of Science Education and Research (NISER) Bhubaneswar, An OCC of Homi Bhabha National Institute, PO Bhimpur-Padanpur, Via Jatni, District Khurda, Odisha 752050, India.
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56
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57
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Chernikova EV, Kudryavtsev YV. RAFT-Based Polymers for Click Reactions. Polymers (Basel) 2022; 14:570. [PMID: 35160559 PMCID: PMC8838018 DOI: 10.3390/polym14030570] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2022] [Revised: 01/24/2022] [Accepted: 01/28/2022] [Indexed: 02/06/2023] Open
Abstract
The parallel development of reversible deactivation radical polymerization and click reaction concepts significantly enriches the toolbox of synthetic polymer chemistry. The synergistic effect of combining these approaches manifests itself in a growth of interest to the design of well-defined functional polymers and their controlled conjugation with biomolecules, drugs, and inorganic surfaces. In this review, we discuss the results obtained with reversible addition-fragmentation chain transfer (RAFT) polymerization and different types of click reactions on low- and high-molar-mass reactants. Our classification of literature sources is based on the typical structure of macromolecules produced by the RAFT technique. The review addresses click reactions, immediate or preceded by a modification of another type, on the leaving and stabilizing groups inherited by a growing macromolecule from the chain transfer agent, as well as on the side groups coming from monomers entering the polymerization process. Architecture and self-assembling properties of the resulting polymers are briefly discussed with regard to their potential functional applications, which include drug delivery, protein recognition, anti-fouling and anti-corrosion coatings, the compatibilization of polymer blends, the modification of fillers to increase their dispersibility in polymer matrices, etc.
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Affiliation(s)
- Elena V. Chernikova
- A.V. Topchiev Institute of Petrochemical Synthesis, Russian Academy of Sciences, Leninsky Prospect 29, 119991 Moscow, Russia
- Faculty of Chemistry, M.V. Lomonosov Moscow State University, Leninskie Gory 1-3, 119991 Moscow, Russia
| | - Yaroslav V. Kudryavtsev
- A.V. Topchiev Institute of Petrochemical Synthesis, Russian Academy of Sciences, Leninsky Prospect 29, 119991 Moscow, Russia
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58
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Luridiana A, Frongia A, Scorciapino MA, Malloci G, Manconi B, Serrao S, Ricci PC, Secci F. Z
‐Selective Synthesis of α‐Sulfanyl Carbonyl Compounds from Internal Alkynes and Thiols via Photoredox Catalysis. Adv Synth Catal 2022. [DOI: 10.1002/adsc.202100996] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Alberto Luridiana
- Department of Chemical Sciences and Geology Università degli studi di Cagliari Complesso Universitario di Monserrato 09042 Monserrato Italy
| | - Angelo Frongia
- Department of Chemical Sciences and Geology Università degli studi di Cagliari Complesso Universitario di Monserrato 09042 Monserrato Italy
| | - Mariano Andrea Scorciapino
- Department of Chemical Sciences and Geology Università degli studi di Cagliari Complesso Universitario di Monserrato 09042 Monserrato Italy
| | - Giuliano Malloci
- Department of Physics Università degli Studi di Cagliari Complesso Universitario di Monserrato 09042 Monserrato (Cagliari) Italy
| | - Barbara Manconi
- Department of Chemical Sciences and Geology Università degli studi di Cagliari Complesso Universitario di Monserrato 09042 Monserrato Italy
| | - Simone Serrao
- Department of Chemical Sciences and Geology Università degli studi di Cagliari Complesso Universitario di Monserrato 09042 Monserrato Italy
| | - Pier Carlo Ricci
- Department of Physics Università degli Studi di Cagliari Complesso Universitario di Monserrato 09042 Monserrato (Cagliari) Italy
| | - Francesco Secci
- Department of Chemical Sciences and Geology Università degli studi di Cagliari Complesso Universitario di Monserrato 09042 Monserrato Italy
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59
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Daglar O, Alkan B, Gunay US, Hizal G, Tunca U, Durmaz H. Ultrafast synthesis of phosphorus-containing polythioethers in the presence of TBD. Eur Polym J 2022. [DOI: 10.1016/j.eurpolymj.2021.110931] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
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60
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Liyanage Perera E, Lee D. Hydrogen Bonding-directed Sequential 1,6/1,4-Addition of Heteroatom Nucleophiles onto Electron-deficient 1,3-Diynes. Org Chem Front 2022. [DOI: 10.1039/d2qo01730j] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
The hydrogen bonding-directed sequential 1,6/1,4-additions developed herein allow for creating unique heterocycles with structural diversity under mild conditions without using metal catalysts or organometallic reagents.
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Affiliation(s)
- Erandi Liyanage Perera
- Department of Chemistry, University of Illinois Chicago, 845 West Taylor Street, Chicago, IL 60607, USA
| | - Daesung Lee
- Department of Chemistry, University of Illinois Chicago, 845 West Taylor Street, Chicago, IL 60607, USA
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61
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Alkan B, Daglar O, Aydogan Temel B, Durmaz H, Temel G. Rapid Synthesis of Polyester Based Single-Chain Polymeric Nanoparticles via Intra-Molecular Aza Michael Addition Reaction. Polym Chem 2022. [DOI: 10.1039/d1py01631h] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
An alternative strategy was developed to prepare intramolecularly crosslinked soft nanoparticles using aza Michael addition reaction on a linear polyester (PCA) containing in-chain reactive triple bonds. The linear precursor was...
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62
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Li Y, Du Y, Liu Y, Liu R, Zhou R. Phosphine-catalyzed divergent reactivity of alkynoates with acid anhydrides: chemo- and stereoselective synthesis of polysubstituted olefins and dienes. Org Chem Front 2022. [DOI: 10.1039/d2qo00820c] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Unprecedented phosphine-catalyzed chemoselective acylesterification, tandem addition and Michael type reaction between alkynoates and acid anhydrides have been developed, enabling efficient synthesis of either the polysubstituted olefins or the multifunctional dienes.
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Affiliation(s)
- Yunxia Li
- College of Chemistry and Chemical Engineering, Taiyuan University of Technology, Taiyuan, 030024, China
| | - Yunfeng Du
- College of Chemistry and Chemical Engineering, Taiyuan University of Technology, Taiyuan, 030024, China
| | - Yiming Liu
- College of Materials Science and Engineering, Taiyuan University of Technology, Taiyuan 030024, China
| | - Rongfang Liu
- College of Traditional Chinese Medicine and Food Engineering, Shanxi University of Chinese Medicine, Jinzhong, 030619, China
| | - Rong Zhou
- College of Chemistry and Chemical Engineering, Taiyuan University of Technology, Taiyuan, 030024, China
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63
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Gao PC, Wang ZX, Li BJ. Iridium-Catalyzed Regioselective Hydroalkynylation of Internal Alkenes Directed by an Oxime. Org Lett 2021; 23:9500-9504. [PMID: 34860536 DOI: 10.1021/acs.orglett.1c03707] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Abstract
We report here an iridium-catalyzed hydroalkynylation of allylic alcohols protected by an oxime group. Catalytic alkynylation occurs exclusively at the distal position of the alkene. This method generates γ-alkynyl alcohol oximes directly from internal alkenes and terminal alkynes. The oxime group can be readily removed to afford a free alcohol, thus providing an indirect route for the catalytic hydroalkynylation of allylic alcohols.
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Affiliation(s)
- Peng-Chao Gao
- Center of Basic Molecular Science (CBMS), Department of Chemistry, Tsinghua University, Beijing 100084, China
| | - Zi-Xuan Wang
- Center of Basic Molecular Science (CBMS), Department of Chemistry, Tsinghua University, Beijing 100084, China
| | - Bi-Jie Li
- Center of Basic Molecular Science (CBMS), Department of Chemistry, Tsinghua University, Beijing 100084, China.,Beijing National Laboratory for Molecular Sciences, Beijing 100190, China
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64
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Xue S, Lei X, Xiao Y, Xiong G, Lian R, Xin X, Peng Y, Zhang Q. Highly Refractive Polyimides Derived from Efficient Catalyst-Free Thiol–Yne Click Polymerization. Macromolecules 2021. [DOI: 10.1021/acs.macromol.1c01959] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Shuyu Xue
- School of Chemistry and Chemical Engineering, Key Laboratory of Special Functional and Smart Polymer Materials of Ministry of Industry and Information Technology, Northwestern Polytechnical University, Xi’an, Shaanxi 710072, P. R. China
- School of Chemistry and Chemical Engineering, Key Laboratory of Material Physics and Chemistry under Extraordinary Conditions of Ministry of Education, Northwestern Polytechnical University, Xi’an, Shaanxi 710072, P. R. China
| | - Xingfeng Lei
- School of Chemistry and Chemical Engineering, Key Laboratory of Special Functional and Smart Polymer Materials of Ministry of Industry and Information Technology, Northwestern Polytechnical University, Xi’an, Shaanxi 710072, P. R. China
- School of Chemistry and Chemical Engineering, Key Laboratory of Material Physics and Chemistry under Extraordinary Conditions of Ministry of Education, Northwestern Polytechnical University, Xi’an, Shaanxi 710072, P. R. China
| | - Yuyang Xiao
- School of Chemistry and Chemical Engineering, Key Laboratory of Special Functional and Smart Polymer Materials of Ministry of Industry and Information Technology, Northwestern Polytechnical University, Xi’an, Shaanxi 710072, P. R. China
| | - Guo Xiong
- School of Chemistry and Chemical Engineering, Key Laboratory of Special Functional and Smart Polymer Materials of Ministry of Industry and Information Technology, Northwestern Polytechnical University, Xi’an, Shaanxi 710072, P. R. China
| | - Ruhe Lian
- School of Chemistry and Chemical Engineering, Key Laboratory of Special Functional and Smart Polymer Materials of Ministry of Industry and Information Technology, Northwestern Polytechnical University, Xi’an, Shaanxi 710072, P. R. China
| | - Xiangze Xin
- School of Chemistry and Chemical Engineering, Key Laboratory of Special Functional and Smart Polymer Materials of Ministry of Industry and Information Technology, Northwestern Polytechnical University, Xi’an, Shaanxi 710072, P. R. China
| | - Yutian Peng
- School of Chemistry and Chemical Engineering, Key Laboratory of Special Functional and Smart Polymer Materials of Ministry of Industry and Information Technology, Northwestern Polytechnical University, Xi’an, Shaanxi 710072, P. R. China
| | - Qiuyu Zhang
- School of Chemistry and Chemical Engineering, Key Laboratory of Special Functional and Smart Polymer Materials of Ministry of Industry and Information Technology, Northwestern Polytechnical University, Xi’an, Shaanxi 710072, P. R. China
- School of Chemistry and Chemical Engineering, Key Laboratory of Material Physics and Chemistry under Extraordinary Conditions of Ministry of Education, Northwestern Polytechnical University, Xi’an, Shaanxi 710072, P. R. China
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65
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Macdougall LJ, Pérez‐Madrigal MM, Shaw JE, Worch JC, Sammon C, Richardson SM, Dove AP. Using Stereochemistry to Control Mechanical Properties in Thiol-Yne Click-Hydrogels. ANGEWANDTE CHEMIE (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2021; 133:26060-26068. [PMID: 38505187 PMCID: PMC10947108 DOI: 10.1002/ange.202107161] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/28/2021] [Revised: 08/29/2021] [Indexed: 11/10/2022]
Abstract
The stereochemistry of polymers has a profound impact on their mechanical properties. While this has been observed in thermoplastics, studies on how stereochemistry affects the bulk properties of swollen networks, such as hydrogels, are limited. Typically, changing the stiffness of a hydrogel is achieved at the cost of changing another parameter, that in turn affects the physical properties of the material and ultimately influences the cellular response. Herein, we report that by manipulating the stereochemistry of a double bond, formed in situ during gelation, materials with diverse mechanical properties but comparable physical properties can be obtained. Click-hydrogels that possess a high % trans content are stiffer than their high % cis analogues by almost a factor of 3. Human mesenchymal stem cells acted as a substrate stiffness cell reporter demonstrating the potential of these platforms to study mechanotransduction without the influence of other external factors.
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Affiliation(s)
| | | | - Joshua E. Shaw
- Division of Cell Matrix Biology and Regenerative MedicineSchool of Biological SciencesFaculty of Biology, Medicine and HealthManchester Academic Health Science CentreUniversity of ManchesterManchesterM13 9PLUK
| | - Joshua C. Worch
- School of ChemistryUniversity of BirminghamBirminghamB15 2TTUK
| | - Christopher Sammon
- Materials and Engineering Research InstituteSheffield Hallam UniversitySheffieldS1 1WBUK
| | - Stephen M. Richardson
- Division of Cell Matrix Biology and Regenerative MedicineSchool of Biological SciencesFaculty of Biology, Medicine and HealthManchester Academic Health Science CentreUniversity of ManchesterManchesterM13 9PLUK
| | - Andrew P. Dove
- School of ChemistryUniversity of BirminghamBirminghamB15 2TTUK
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66
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Macdougall LJ, Pérez‐Madrigal MM, Shaw JE, Worch JC, Sammon C, Richardson SM, Dove AP. Using Stereochemistry to Control Mechanical Properties in Thiol-Yne Click-Hydrogels. Angew Chem Int Ed Engl 2021; 60:25856-25864. [PMID: 34551190 PMCID: PMC9298389 DOI: 10.1002/anie.202107161] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2021] [Revised: 08/29/2021] [Indexed: 12/23/2022]
Abstract
The stereochemistry of polymers has a profound impact on their mechanical properties. While this has been observed in thermoplastics, studies on how stereochemistry affects the bulk properties of swollen networks, such as hydrogels, are limited. Typically, changing the stiffness of a hydrogel is achieved at the cost of changing another parameter, that in turn affects the physical properties of the material and ultimately influences the cellular response. Herein, we report that by manipulating the stereochemistry of a double bond, formed in situ during gelation, materials with diverse mechanical properties but comparable physical properties can be obtained. Click-hydrogels that possess a high % trans content are stiffer than their high % cis analogues by almost a factor of 3. Human mesenchymal stem cells acted as a substrate stiffness cell reporter demonstrating the potential of these platforms to study mechanotransduction without the influence of other external factors.
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Affiliation(s)
| | | | - Joshua E. Shaw
- Division of Cell Matrix Biology and Regenerative MedicineSchool of Biological SciencesFaculty of Biology, Medicine and HealthManchester Academic Health Science CentreUniversity of ManchesterManchesterM13 9PLUK
| | - Joshua C. Worch
- School of ChemistryUniversity of BirminghamBirminghamB15 2TTUK
| | - Christopher Sammon
- Materials and Engineering Research InstituteSheffield Hallam UniversitySheffieldS1 1WBUK
| | - Stephen M. Richardson
- Division of Cell Matrix Biology and Regenerative MedicineSchool of Biological SciencesFaculty of Biology, Medicine and HealthManchester Academic Health Science CentreUniversity of ManchesterManchesterM13 9PLUK
| | - Andrew P. Dove
- School of ChemistryUniversity of BirminghamBirminghamB15 2TTUK
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67
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Shen J, Xiao Y, Zhao P, Li D, Jia X, Peng X, Li J. Cascade Reaction of
o
‐Haloaryl Ynone and 2‐Hydroxy‐2‐Methylchromene: Synthesis of Chromone Derivative Enabled by Oxygen‐Migration. Adv Synth Catal 2021. [DOI: 10.1002/adsc.202100946] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Jie Shen
- Department of Chemistry College of Sciences Shanghai University 99 Shangda Road Shanghai 200444 People's Republic of China
| | - Yao Xiao
- Department of Chemistry College of Sciences Shanghai University 99 Shangda Road Shanghai 200444 People's Republic of China
| | - Peichao Zhao
- State Key Laboratory of NBC Protection for Civilian Beijing 102205 People's Republic of China
| | - Dong Li
- Department of Chemistry College of Sciences Shanghai University 99 Shangda Road Shanghai 200444 People's Republic of China
| | - Xueshun Jia
- Department of Chemistry College of Sciences Shanghai University 99 Shangda Road Shanghai 200444 People's Republic of China
| | - Xin Peng
- Department of Chemistry College of Sciences Shanghai University 99 Shangda Road Shanghai 200444 People's Republic of China
| | - Jian Li
- Department of Chemistry College of Sciences Shanghai University 99 Shangda Road Shanghai 200444 People's Republic of China
- School of Chemistry and Chemical Engineering Henan Normal University Xinxiang Henan 453007 People's Republic of China
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68
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Jang D, Choi M, Chen J, Lee C. Enantioselective Total Synthesis of (+)-Garsubellin A. Angew Chem Int Ed Engl 2021; 60:22735-22739. [PMID: 34398517 PMCID: PMC8519110 DOI: 10.1002/anie.202109193] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2021] [Revised: 08/05/2021] [Indexed: 01/03/2023]
Abstract
Garsubellin A is a meroterpene capable of enhancing the enzyme choline acetyltransferase whose decreased level is believed to play a central role in the symptoms of Alzheimer's disease. Due to the potentially useful biological activity together with the novel bridged and fused cyclic molecular architecture, garsubellin A has garnered substantial synthetic interest, but its absolute stereostructure has been undetermined. We report here the first enantioselective total synthesis of (+)-garsubellin A. Our synthesis relies on stereoselective fashioning of a cyclohexanone framework and double conjugate addition of 1,2-ethanedithiol that promotes aldol cyclization to build the bicyclic [3.3.1] skeleton. The twelve-step, protecting group-free synthetic route has enabled the syntheses of both the natural (-)-garsubellin A and its unnatural (+)-antipode for biological evaluations.
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Affiliation(s)
- Dongseok Jang
- Department of ChemistrySeoul National UniversitySeoul08826Republic of Korea
| | - Minchul Choi
- Department of ChemistrySeoul National UniversitySeoul08826Republic of Korea
| | - Jinglong Chen
- Department of ChemistryPrinceton UniversityPrincetonNew Jersey08540USA
- Current address: College of Materials Science and EngineeringFuzhou UniversityFuzhou350108China
| | - Chulbom Lee
- Department of ChemistrySeoul National UniversitySeoul08826Republic of Korea
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Jang D, Choi M, Chen J, Lee C. Enantioselective Total Synthesis of (+)‐Garsubellin A. Angew Chem Int Ed Engl 2021. [DOI: 10.1002/ange.202109193] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Affiliation(s)
- Dongseok Jang
- Department of Chemistry Seoul National University Seoul 08826 Republic of Korea
| | - Minchul Choi
- Department of Chemistry Seoul National University Seoul 08826 Republic of Korea
| | - Jinglong Chen
- Department of Chemistry Princeton University Princeton New Jersey 08540 USA
- Current address: College of Materials Science and Engineering Fuzhou University Fuzhou 350108 China
| | - Chulbom Lee
- Department of Chemistry Seoul National University Seoul 08826 Republic of Korea
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Zong Y, Ma Q, Tsui GC. Nucleophilic Vinylic Substitution (S NV) of Trisubstituted Monofluoroalkenes for the Synthesis of Stereodefined Trisubstituted Alkenes and Divinyl Ethers. Org Lett 2021; 23:6169-6173. [PMID: 34313444 DOI: 10.1021/acs.orglett.1c02359] [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
We herein describe a nucleophilic vinylic substitution (SNV) of trisubstituted monofluoroalkenes with excellent stereocontrol (d.r. > 99:1). Starting from (E)-β-monofluoroacrylates, various trisubstituted (E)-alkenes containing O/N/S-substituent groups at the vinylic position can be obtained under simple conditions. Furthermore, (E,E)-divinyl ethers can be generated through dimerization of the monofluoroalkenes, triggered by adventitious water in the reaction mixture.
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Affiliation(s)
| | | | - Gavin Chit Tsui
- Department of Chemistry, The Chinese University of Hong Kong, Shatin, New Territories, Hong Kong SAR, China
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Baig N, Shetty S, Moustafa MS, Al-Mousawi S, Alameddine B. Selective removal of toxic organic dyes using Trӧger base-containing sulfone copolymers made from a metal-free thiol-yne click reaction followed by oxidation. RSC Adv 2021; 11:21170-21178. [PMID: 35479362 PMCID: PMC9034147 DOI: 10.1039/d1ra03783h] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2021] [Accepted: 06/09/2021] [Indexed: 12/11/2022] Open
Abstract
Three copolymers TCP1–3 bearing Trӧger's base (TB) units intercalated with various thioether groups were synthesized using a catalyst-free thiol-yne click reaction. TCP1–3 display excellent solubility in common organic solvents allowing for their structural, and photophysical characterization. The thioether groups in TCP1–3 were selectively oxidized into their respective sulfone derivatives under mild oxidation reaction conditions affording the postmodified copolymers TCP4–6. Investigation of organic dye uptake from water by TCP1–6 proved their efficiency as selective adsorbents removing up to 100% of the cationic dye methylene blue (MEB) when compared to anionic dyes, such as Congo red (CR), methyl orange (MO) and methyl blue (MB). The sulfone-containing copolymers TCP4–6 display superior and faster MEB removal efficiencies with respect to their corresponding synthons TCP1–3. Copolymers TCP1–3 with Trӧger's base units and aryl thioether groups were made via a click reaction. Selective oxidation of the thioethers into sulfone groups afforded TCP4–6 which display up to 100% removal efficiency of methylene blue from water.![]()
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Affiliation(s)
- Noorullah Baig
- Department of Mathematics and Natural Sciences, Gulf University for Science and Technology Kuwait +965 2530 7476.,Functional Materials Group, CAMB, GUST Kuwait
| | - Suchetha Shetty
- Department of Mathematics and Natural Sciences, Gulf University for Science and Technology Kuwait +965 2530 7476.,Functional Materials Group, CAMB, GUST Kuwait
| | | | | | - Bassam Alameddine
- Department of Mathematics and Natural Sciences, Gulf University for Science and Technology Kuwait +965 2530 7476.,Functional Materials Group, CAMB, GUST Kuwait
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Luleburgaz S, Hizal G, Tunca U, Durmaz H. Modification of Polyketone via Chlorodimethylsilane-Mediated Reductive Etherification Reaction: A Practical Way for Alkoxy-Functional Polymers. Macromolecules 2021. [DOI: 10.1021/acs.macromol.1c00461] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Serter Luleburgaz
- Department of Chemistry, Istanbul Technical University, Maslak, Istanbul 34469, Turkey
| | - Gurkan Hizal
- Department of Chemistry, Istanbul Technical University, Maslak, Istanbul 34469, Turkey
| | - Umit Tunca
- Department of Chemistry, Istanbul Technical University, Maslak, Istanbul 34469, Turkey
| | - Hakan Durmaz
- Department of Chemistry, Istanbul Technical University, Maslak, Istanbul 34469, Turkey
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