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An aryl thiol-vinyl azide coupling reaction and a thiol-vinyl azide coupling/cyclization cascade: efficient synthesis of β-ketosulfides and arene-fused 5-methylene-2-pyrrolidinone derivatives

The addition reaction of thiol to vinyl azide has been extensively studied. Variously substituted aryl thiols are all viable for this coupling process. The scope of the other partner is successfully expanded from α-aryl vinyl azide to α-alkyl vinyl azide. A thiol-vinyl azide coupling/cyclization cas...

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Published in:Organic & biomolecular chemistry 2021-06, Vol.19 (23), p.5169-5176
Main Authors: Wang, Yong, Wang, Yu-Jiao, Liang, Xian-Chen, Shen, Mei-Hua, Xu, Hua-Dong, Xu, Defeng
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Language:English
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cited_by cdi_FETCH-LOGICAL-c337t-e27067684bd94cfa2cc0e325200779b032019ea28be56a1766589818deeb6a773
cites cdi_FETCH-LOGICAL-c337t-e27067684bd94cfa2cc0e325200779b032019ea28be56a1766589818deeb6a773
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container_issue 23
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container_title Organic & biomolecular chemistry
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creator Wang, Yong
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description The addition reaction of thiol to vinyl azide has been extensively studied. Variously substituted aryl thiols are all viable for this coupling process. The scope of the other partner is successfully expanded from α-aryl vinyl azide to α-alkyl vinyl azide. A thiol-vinyl azide coupling/cyclization cascade is realized with substituted aryl vinyl azides carrying a 2-methoxycarbonyl group. The value of β-ketosulfide products was demonstrated by its application in S-heterocycle synthesis. A radical addition-fragmentation intermediate of vinyl azide can be intercepted by a neighbouring ester group. β-Ketosulfides could be a convenient platform for S-heterocycle synthesis.
doi_str_mv 10.1039/d1ob00328c
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source Royal Society of Chemistry:Jisc Collections:Royal Society of Chemistry Read and Publish 2022-2024 (reading list)
subjects Aromatic compounds
Azide
Coupling
NMR
Nuclear magnetic resonance
Substitutes
Thiols
title An aryl thiol-vinyl azide coupling reaction and a thiol-vinyl azide coupling/cyclization cascade: efficient synthesis of β-ketosulfides and arene-fused 5-methylene-2-pyrrolidinone derivatives
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