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Pearson TJ, Shimazumi R, Driscoll JL, Dherange BD, Park DI, Levin MD. Aromatic nitrogen scanning by ipso-selective nitrene internalization. Science 2023; 381:1474-1479. [PMID: 37769067 PMCID: PMC10910605 DOI: 10.1126/science.adj5331] [Citation(s) in RCA: 20] [Impact Index Per Article: 20.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2023] [Accepted: 08/28/2023] [Indexed: 09/30/2023]
Abstract
Nitrogen scanning in aryl fragments is a valuable aspect of the drug discovery process, but current strategies require time-intensive, parallel, bottom-up synthesis of each pyridyl isomer because of a lack of direct carbon-to-nitrogen (C-to-N) replacement reactions. We report a site-directable aryl C-to-N replacement reaction allowing unified access to various pyridine isomers through a nitrene-internalization process. In a two-step, one-pot procedure, aryl azides are first photochemically converted to 3H-azepines, which then undergo an oxidatively triggered C2-selective cheletropic carbon extrusion through a spirocyclic azanorcaradiene intermediate to afford the pyridine products. Because the ipso carbon of the aryl nitrene is excised from the molecule, the reaction proceeds regioselectively without perturbation of the remainder of the substrate. Applications are demonstrated in the abbreviated synthesis of a pyridyl derivative of estrone, as well as in a prototypical nitrogen scan.
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Affiliation(s)
- Tyler J. Pearson
- Department of Chemistry, University of Chicago, Chicago, IL 60637, USA
| | - Ryoma Shimazumi
- Department of Chemistry, University of Chicago, Chicago, IL 60637, USA
| | - Julia L. Driscoll
- Department of Chemistry, University of Chicago, Chicago, IL 60637, USA
| | - Balu D. Dherange
- Department of Chemistry, University of Chicago, Chicago, IL 60637, USA
| | - Dong-Il Park
- Department of Chemistry, University of Chicago, Chicago, IL 60637, USA
| | - Mark D. Levin
- Department of Chemistry, University of Chicago, Chicago, IL 60637, USA
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2
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Langer MK, Rahman A, Dey H, Anderssen T, Blencke HM, Haug T, Stensvåg K, Strøm MB, Bayer A. Investigation of tetrasubstituted heterocycles reveals hydantoins as a promising scaffold for development of novel antimicrobials with membranolytic properties. Eur J Med Chem 2023; 249:115147. [PMID: 36739750 DOI: 10.1016/j.ejmech.2023.115147] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2022] [Revised: 12/19/2022] [Accepted: 01/21/2023] [Indexed: 01/26/2023]
Abstract
Mimics of antimicrobial peptides (AMPs) have been proposed as a promising class of antimicrobial agents. We report the analysis of five tetrasubstituted, cationic, amphipathic heterocycles as potential AMP mimics. The analysis showed that the heterocyclic scaffold had a strong influence on the haemolytic activity of the compounds, and the hydantoin scaffold was identified as a promising template for drug lead development. Subsequently, a total of 20 hydantoin derivatives were studied for their antimicrobial potency and haemolytic activity. We found 19 of these derivatives to have very low haemolytic toxicity and identified three lead structures, 2dA, 6cG, and 6dG with very promising broad-spectrum antimicrobial activity. Lead structure 6dG displayed minimum inhibitory concentration (MIC) values as low as 1 μg/mL against Gram-positive bacteria and 4-16 μg/mL against Gram-negative bacteria. Initial mode of action (MoA) studies performed on the amine derivative 6cG, utilizing a luciferase-based biosensor assay, suggested a strong membrane disrupting effect on the outer and inner membrane of Escherichia coli. Our findings show that the physical properties and structural arrangement induced by the heterocyclic scaffolds are important factors in the design of AMP mimics.
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Affiliation(s)
- Manuel K Langer
- Department of Chemistry, UiT - The Arctic University of Norway, NO-9037, Tromsø, Norway
| | - Ataur Rahman
- The Norwegian College of Fishery Science, Faculty of Biosciences, Fisheries and Economics, UiT - The Arctic University of Norway, NO-9037, Tromsø, Norway
| | - Hymonti Dey
- The Norwegian College of Fishery Science, Faculty of Biosciences, Fisheries and Economics, UiT - The Arctic University of Norway, NO-9037, Tromsø, Norway
| | - Trude Anderssen
- Department of Pharmacy, Faculty of Health Sciences, UiT - The Arctic University of Norway, NO-9037, Tromsø, Norway
| | - Hans-Matti Blencke
- The Norwegian College of Fishery Science, Faculty of Biosciences, Fisheries and Economics, UiT - The Arctic University of Norway, NO-9037, Tromsø, Norway
| | - Tor Haug
- The Norwegian College of Fishery Science, Faculty of Biosciences, Fisheries and Economics, UiT - The Arctic University of Norway, NO-9037, Tromsø, Norway
| | - Klara Stensvåg
- The Norwegian College of Fishery Science, Faculty of Biosciences, Fisheries and Economics, UiT - The Arctic University of Norway, NO-9037, Tromsø, Norway
| | - Morten B Strøm
- Department of Pharmacy, Faculty of Health Sciences, UiT - The Arctic University of Norway, NO-9037, Tromsø, Norway.
| | - Annette Bayer
- Department of Chemistry, UiT - The Arctic University of Norway, NO-9037, Tromsø, Norway.
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3
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Saroha B, Kumar G, Kumar R, Kumari M, Kumar S. A minireview of 1,2,3-triazole hybrids with O-heterocycles as leads in medicinal chemistry. Chem Biol Drug Des 2022; 100:843-869. [PMID: 34592059 DOI: 10.1111/cbdd.13966] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2021] [Revised: 09/02/2021] [Accepted: 09/26/2021] [Indexed: 01/25/2023]
Abstract
Over the past few decades, the dynamic progress in the synthesis and screening of heterocyclic compounds against various targets has made a significant contribution in the field of medicinal chemistry. Among the wide array of heterocyclic compounds, triazole moiety has attracted the attention of researchers owing to its vast therapeutic potential and easy preparation via copper and ruthenium-catalyzed azide-alkyne cycloaddition reactions. Triazole skeletons are found as major structural components in a different class of drugs possessing diverse pharmacological profiles including anti-cancer, anti-bacterial, anti-fungal, anti-viral, anti-oxidant, anti-inflammatory, anti-diabetic, anti-tubercular, and anti-depressant among various others. Furthermore, in the past few years, a significantly large number of triazole hybrids were synthesized with various heterocyclic moieties in order to gain the added advantage of the improved pharmacological profile, overcoming the multiple drug resistance and reduced toxicity from molecular hybridization. Among these synthesized triazole hybrids, many compounds are available commercially and used for treating different infections/disorders like tazobactam and cefatrizine as potent anti-bacterial agents while isavuconazole and ravuconazole as anti-fungal activities to name a few. In this review, we will summarize the biological activities of various 1,2,3-triazole hybrids with copious oxygen-containing heterocycles as lead compounds in medicinal chemistry. This review will be very helpful for researchers working in the field of molecular modeling, drug design and development, and medicinal chemistry.
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Affiliation(s)
- Bhavna Saroha
- Department of Chemistry, Kurukshetra University, Kurukshetra, India
| | - Gourav Kumar
- Department of Chemistry, Kurukshetra University, Kurukshetra, India
| | - Ramesh Kumar
- Department of Chemistry, Kurukshetra University, Kurukshetra, India
| | - Meena Kumari
- Department of Chemistry, Govt. College for Women Badhra, Charkhi Dadri, India
| | - Suresh Kumar
- Department of Chemistry, Kurukshetra University, Kurukshetra, India
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4
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Nemallapudi BR, Guda DR, Ummadi N, Avula B, Zyryanov GV, Reddy CS, Gundala S. New Methods for Synthesis of 1,2,3-Triazoles: A Review. Polycycl Aromat Compd 2021. [DOI: 10.1080/10406638.2020.1866038] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/16/2023]
Affiliation(s)
| | | | - Nagarjuna Ummadi
- Department of Chemistry, Sri Venkateswara University, Tirupati, Andhra Pradesh, India
| | - Balakrishna Avula
- Department of Chemistry, Rajeev Gandhi Memorial College of Engineering and Technology (Autonomous), Nandyal, Andhra Pradesh, India
| | - Grigory V. Zyryanov
- Department of Chemistry, Chemical Engineering Institute, Ural Federal University, Yekaterinburg, Russia
- Department of Chemistry, I. Ya. Postovsky Institute of Organic Synthesis, Ural Division of Russian Academy of Sciences, Yekaterinburg, Russian Federation
| | - Cirandur Suresh Reddy
- Department of Chemistry, Sri Venkateswara University, Tirupati, Andhra Pradesh, India
| | - Sravya Gundala
- Department of Chemistry, Chemical Engineering Institute, Ural Federal University, Yekaterinburg, Russia
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5
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Pereira GR, Ferreira ACG, Neves PHDAS, Gomes EBS, Nascimento MFAD, Sousa JAC, Santos JDO, Brandão GC, Oliveira ABD. Quinolinotriazole antiplasmodials via click chemistry: synthesis and in vitro studies of 7-Chloroquinoline-based compounds. BRAZ J PHARM SCI 2021. [DOI: 10.1590/s2175-979020200004181086] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
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6
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Zhong C, Liu T, Gou S, He Y, Zhu N, Zhu Y, Wang L, Liu H, Zhang Y, Yao J, Ni J. Design and synthesis of new N-terminal fatty acid modified-antimicrobial peptide analogues with potent in vitro biological activity. Eur J Med Chem 2019; 182:111636. [PMID: 31466017 DOI: 10.1016/j.ejmech.2019.111636] [Citation(s) in RCA: 55] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2018] [Revised: 08/12/2019] [Accepted: 08/19/2019] [Indexed: 12/25/2022]
Abstract
Developing novel antimicrobial agents is a top priority in fighting against bacterial resistance. Thus, a series of new monomer and dimer peptides were designed and synthesized by conjugating fatty acids at the N-terminus of partial d-amino acid substitution analogues of anoplin and dimerization. The new peptides exhibited more efficient killing of gram-negative and gram-positive bacteria, including methicillin-resistant Staphylococcus aureus compared with the parent peptide anoplin, and the dimer peptides were superior to the monomer peptides. It was important that the new peptides displayed low impact on bacterial resistance development. In addition, the antimicrobial activities were not significantly influenced by a physiological salt environment. They also presented high stability in the presence of protease or serum. Almost all of the new peptides had better selectivity towards anionic bacterial membranes over zwitterionic mammalian cell membranes. Moreover, the new peptides displayed synergistic or additive effects when used together with the antibiotics rifampicin and polymyxin B. These results showed that the new peptides could also prevent the formation of bacterial biofilms. Furthermore, outer/inner membrane permeabilization and cytoplasmic membrane depolarization experiments revealed that the new peptides had strong membrane permeabilization and depolarization. Confocal laser scanning microscopy, flow cytometry analysis and scanning electron microscopy further demonstrated that the new peptides could damage the integrity of the bacterial membrane. Finally, a DNA-binding affinity assay showed that the new peptides could bind to bacterial DNA. In summary, the conjugation of fatty acids at the N-terminus of peptides and dimerization are promising strategies for obtaining potent antimicrobial agents.
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Affiliation(s)
- Chao Zhong
- Key Laboratory of Preclinical Study for New Drugs of Gansu Province, School of Basic Medical Sciences, Lanzhou University, Lanzhou, 730000, China; School of Pharmacy, Lanzhou University, Lanzhou, 730000, China
| | - Tianqi Liu
- School of Pharmacy, Lanzhou University, Lanzhou, 730000, China
| | - Sanhu Gou
- Key Laboratory of Preclinical Study for New Drugs of Gansu Province, School of Basic Medical Sciences, Lanzhou University, Lanzhou, 730000, China; School of Pharmacy, Lanzhou University, Lanzhou, 730000, China
| | - Yongtao He
- School of Pharmacy, Lanzhou University, Lanzhou, 730000, China
| | - Ningyi Zhu
- School of Pharmacy, Lanzhou University, Lanzhou, 730000, China
| | - Yuewen Zhu
- School of Pharmacy, Lanzhou University, Lanzhou, 730000, China
| | - Li Wang
- School of Pharmacy, Lanzhou University, Lanzhou, 730000, China
| | - Hui Liu
- School of Pharmacy, Lanzhou University, Lanzhou, 730000, China
| | - Yun Zhang
- School of Pharmacy, Lanzhou University, Lanzhou, 730000, China
| | - Jia Yao
- The First Hospital of Lanzhou University, Lanzhou, 730000, China
| | - Jingman Ni
- Key Laboratory of Preclinical Study for New Drugs of Gansu Province, School of Basic Medical Sciences, Lanzhou University, Lanzhou, 730000, China; School of Pharmacy, Lanzhou University, Lanzhou, 730000, China.
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7
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Zhang B. Comprehensive review on the anti-bacterial activity of 1,2,3-triazole hybrids. Eur J Med Chem 2019; 168:357-372. [DOI: 10.1016/j.ejmech.2019.02.055] [Citation(s) in RCA: 98] [Impact Index Per Article: 19.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2019] [Revised: 02/17/2019] [Accepted: 02/17/2019] [Indexed: 01/07/2023]
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8
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Igumnova EM, Mishchenko E, Haug T, Blencke HM, Sollid JUE, Fredheim EGA, Lauksund S, Stensvåg K, Strøm MB. Amphipathic sulfonamidobenzamides mimicking small antimicrobial marine natural products; investigation of antibacterial and anti-biofilm activity against antibiotic resistant clinical isolates. Bioorg Med Chem 2018; 26:4930-4941. [PMID: 30185388 DOI: 10.1016/j.bmc.2018.08.032] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2018] [Revised: 08/22/2018] [Accepted: 08/26/2018] [Indexed: 01/20/2023]
Abstract
There is an urgent need for novel antimicrobial agents to address the threat of bacterial resistance to modern society. We have used a structural motif found in antimicrobial marine hit compounds as a basis for synthesizing a library of antimicrobial sulfonamidobenzamide lead compounds. Potent in vitro antimicrobial activity against clinically relevant bacterial strains was demonstrated for two compounds, G6 and J18, with minimal inhibitory concentrations (MIC) of 4-16 μg/ml against clinical methicillin-resistant Staphylococcus aureus (MRSA) and vancomycin-resistant Enterococcus faecium (VRE). The two compounds G6 and J18, together with several other compounds of this library, also caused ≥90% eradication of pre-established biofilm of methicillin-resistant S. epidermidis (MRSE) at 40 μg/ml. Using a luciferase assay, the mechanism of action of G6 was shown to resemble the biocide chlorhexidine by targeting the bacterial cell membrane.
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Affiliation(s)
- Elizaveta M Igumnova
- Department of Pharmacy, Faculty of Health Sciences, UiT - The Arctic University of Norway, NO-9037 Tromsø, Norway
| | - Ekaterina Mishchenko
- The Norwegian College of Fishery Science, Faculty of Biosciences, Fisheries and Economics, UiT - The Arctic University of Norway, NO-9037 Tromsø, Norway
| | - Tor Haug
- The Norwegian College of Fishery Science, Faculty of Biosciences, Fisheries and Economics, UiT - The Arctic University of Norway, NO-9037 Tromsø, Norway
| | - Hans-Matti Blencke
- The Norwegian College of Fishery Science, Faculty of Biosciences, Fisheries and Economics, UiT - The Arctic University of Norway, NO-9037 Tromsø, Norway
| | - Johanna U Ericson Sollid
- Department of Medical Biology, Faculty of Health Sciences, UiT - The Arctic University of Norway, NO-9037 Tromsø, Norway
| | - Elizabeth G Aarag Fredheim
- Department of Pharmacy, Faculty of Health Sciences, UiT - The Arctic University of Norway, NO-9037 Tromsø, Norway
| | - Silje Lauksund
- Department of Pharmacy, Faculty of Health Sciences, UiT - The Arctic University of Norway, NO-9037 Tromsø, Norway
| | - Klara Stensvåg
- The Norwegian College of Fishery Science, Faculty of Biosciences, Fisheries and Economics, UiT - The Arctic University of Norway, NO-9037 Tromsø, Norway
| | - Morten B Strøm
- Department of Pharmacy, Faculty of Health Sciences, UiT - The Arctic University of Norway, NO-9037 Tromsø, Norway.
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9
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Brandão GC, Rocha Missias FC, Arantes LM, Soares LF, Roy KK, Doerksen RJ, Braga de Oliveira A, Pereira GR. Antimalarial naphthoquinones. Synthesis via click chemistry, in vitro activity , docking to Pf DHODH and SAR of lapachol-based compounds. Eur J Med Chem 2018; 145:191-205. [DOI: 10.1016/j.ejmech.2017.12.051] [Citation(s) in RCA: 46] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/10/2017] [Revised: 12/11/2017] [Accepted: 12/13/2017] [Indexed: 11/29/2022]
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10
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Liu Y, Yang J, Ma X, Han C, Jiang Y. Metal-Free Synthesis of Etherified 3-(1H-1,2,3-Triazol-1-yl)phenyl Iodides through O-H Arylation/C-H Iodination with Diacetoxyiodobenzenes. European J Org Chem 2017. [DOI: 10.1002/ejoc.201701114] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Yaowen Liu
- Faculty of Science; Kunming University of Science and Technology; Jingming South Road 727 650500 Kunming China
| | - Jianhua Yang
- Faculty of Science; Kunming University of Science and Technology; Jingming South Road 727 650500 Kunming China
| | - Xinyuan Ma
- Faculty of Science; Kunming University of Science and Technology; Jingming South Road 727 650500 Kunming China
| | - Chunmei Han
- Faculty of Science; Kunming University of Science and Technology; Jingming South Road 727 650500 Kunming China
| | - Yubo Jiang
- Faculty of Science; Kunming University of Science and Technology; Jingming South Road 727 650500 Kunming China
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11
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Bakka TA, Strøm MB, Andersen JH, Gautun OR. Methyl propiolate and 3-butynone: Starting points for synthesis of amphiphilic 1,2,3-triazole peptidomimetics for antimicrobial evaluation. Bioorg Med Chem 2017; 25:5380-5395. [PMID: 28797773 DOI: 10.1016/j.bmc.2017.07.060] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2017] [Accepted: 07/28/2017] [Indexed: 11/16/2022]
Abstract
A library of 29 small 1,4-substituted 1,2,3-triazoles was prepared for studies of antimicrobial activity. The pharmacophore model investigated with these substrates was based on small peptidomimetics of antimicrobial peptides and antimicrobials isolated from marine organisms from sub-arctic regions. Using methyl 1,2,3-triazole-carboxylates and 1,2,3-triazole methyl ketones prepared through "click" chemistry we were able to synthesize the different cationic amphiphiles through three steps or less. Several structural modifications to the lipopohilic side and hydrophilic sides of the amphiphiles were investigated and compared with regards to antimicrobial activity and cytotoxicity in particular. The most promising amphiphile 10f displayed minimum inhibitory concentrations (MICs) between 4-16µg/mL against Gram-positive Enterococcus faecalis, Staphylococcus aureus, Streptococcus agalacticae, and Gram-negative Escherichia coli and Pseudomonas aeruginosa. The decent level of antimicrobial activity and biofilm inhibition, short synthesis, and accessible reagents, makes this type of amphiphilic mimics interesting leads for further development.
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Affiliation(s)
- Thomas A Bakka
- Department of Chemistry, Norwegian University of Science and Technology (NTNU), NO-7491 Trondheim, Norway
| | - Morten B Strøm
- Department of Pharmacy, Faculty of Health Sciences, UiT - The Arctic University of Norway, NO-9037 Tromsø, Norway
| | - Jeanette H Andersen
- Marbio, Faculty of Biosciences, Fisheries and Economics, UiT - The Arctic University of Norway, NO-9037 Tromsø, Norway
| | - Odd R Gautun
- Department of Chemistry, Norwegian University of Science and Technology (NTNU), NO-7491 Trondheim, Norway.
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12
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Wang X, Wang X, Wang X, Zhang J, Liu C, Hu Y. In‐situ
Generated and Premade 1‐Copper(I) Alkynes in Cycloadditions. CHEM REC 2017. [DOI: 10.1002/tcr.201700011] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
Affiliation(s)
- Xinyan Wang
- Key Laboratory of Bioorganic Phosphorus Chemistry and Chemical Biology (Ministry of Education), Department of ChemistryTsinghua University Beijing 100084 P. R. China
| | - Xingyong Wang
- Key Laboratory of Bioorganic Phosphorus Chemistry and Chemical Biology (Ministry of Education), Department of ChemistryTsinghua University Beijing 100084 P. R. China
| | - Xuesong Wang
- Key Laboratory of Bioorganic Phosphorus Chemistry and Chemical Biology (Ministry of Education), Department of ChemistryTsinghua University Beijing 100084 P. R. China
| | - Jianlan Zhang
- Key Laboratory of Bioorganic Phosphorus Chemistry and Chemical Biology (Ministry of Education), Department of ChemistryTsinghua University Beijing 100084 P. R. China
| | - Chulong Liu
- Key Laboratory of Bioorganic Phosphorus Chemistry and Chemical Biology (Ministry of Education), Department of ChemistryTsinghua University Beijing 100084 P. R. China
| | - Yuefei Hu
- Key Laboratory of Bioorganic Phosphorus Chemistry and Chemical Biology (Ministry of Education), Department of ChemistryTsinghua University Beijing 100084 P. R. China
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