Transition-metal-free sulfonylations of methylthiolated alkynones to synthesize 3-sulfonylated thioflavones

A set of transition-metal-free NaI/TBHP-mediated sulfonylation cyclization reactions of methylthiolated alkynones with sulfonyl hydrazides was developed, by which various 3-sulfonylated thioflavones were prepared under mild reaction conditions. The features of this procedure included metal-free reac...

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Veröffentlicht in:New journal of chemistry 2020-09, Vol.44 (35), p.14786-1479
Hauptverfasser: Feng, Zhi-Wen, Li, Jing, Jiang, Yu-Qin, Tian, Yu, Xu, Gui-Qing, Shi, Xin, Ding, Qing-Jie, Li, Wei, Ma, Chun-Hua, Yu, Bing
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container_end_page 1479
container_issue 35
container_start_page 14786
container_title New journal of chemistry
container_volume 44
creator Feng, Zhi-Wen
Li, Jing
Jiang, Yu-Qin
Tian, Yu
Xu, Gui-Qing
Shi, Xin
Ding, Qing-Jie
Li, Wei
Ma, Chun-Hua
Yu, Bing
description A set of transition-metal-free NaI/TBHP-mediated sulfonylation cyclization reactions of methylthiolated alkynones with sulfonyl hydrazides was developed, by which various 3-sulfonylated thioflavones were prepared under mild reaction conditions. The features of this procedure included metal-free reaction conditions, ease of reagent handling, short reaction times, and a broad functional group tolerance. A set of transition-metal-free NaI/TBHP-mediated sulfonylation cyclization reactions of methylthiolated alkynones with sulfonyl hydrazides was developed, by which various 3-sulfonylated thioflavones were prepared under mild reaction conditions.
doi_str_mv 10.1039/d0nj03386c
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source Royal Society Of Chemistry Journals 2008-; Alma/SFX Local Collection
subjects Chemical reactions
Crystallography
Functional groups
Hydrazides
Reagents
Transition metals
title Transition-metal-free sulfonylations of methylthiolated alkynones to synthesize 3-sulfonylated thioflavones
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