Unsaturated carboxylic acids in the one-pot synthesis of novel derivatives of 3,4-dihydro-2H-thiopyran

被引：0
|
作者：
Ekaterina А. Merkulova
Aleksei V. Kolobov
Konstantin L. Ovchinnikov
Victor N. Khrustalev
Valentine G. Nenajdenko
机构：
[1] Yaroslavl State Technical University,N. D. Zelinsky Institute of Organic Chemistry
[2] RUDN University,undefined
[3] Russian Academy of Sciences,undefined
[4] Lomonosov Moscow State University,undefined
来源：
Chemistry of Heterocyclic Compounds | 2021年 / 57卷
关键词：
3,4-dihydro-2; -thiopyran; itaconic acid; Lawesson’s reagent; maleic acid; acylation;
D O I：
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中图分类号：
学科分类号：
摘要：
The reactions of α,β-unsaturated ketones and Lawesson’s reagent with maleic, itaconic, or 5-norbornene-2,3-dicarboxylic acid led to the corresponding 3,4-dihydro-2H-thiopyran anhydrides. As a result of the reaction of methacrylic acid, Lawesson’s reagent, and chalcone, 4-methyl-1,8-diphenyl-2,6-dithiabicyclo[2.2.2]octan-3-one is formed. The selectivity of the acylation of amines using the synthesized anhydrides was studied.
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页码：245 / 252
页数：7
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