Regioselective Synthesis of New [1,3]Thiazolo- and [1,3]Selenazolo[3,2-a]pyridinium Derivatives

被引：2

作者：

Ishigeev, R. S. ^{[1
]}

Amosova, S. V. ^{[1
]}

Potapov, V. A. ^{[1
]}

机构：

[1] Russian Acad Sci, AE Favorsky Irkutsk Inst Chem, Siberian Branch, Irkutsk 664033, Russia

来源：

RUSSIAN JOURNAL OF GENERAL CHEMISTRY | 2023年 / 93卷 / SUPPL 1期

基金：

俄罗斯科学基金会;

关键词：

functional alkenes; pyridine-2-sulfenyl halides; pyridine-2-selenyl halides; thiazolo[3,2-a]pyridinium halides; selenazolo[3,2-a]pyridinium halides; SILICON; VINYL;

D O I：

10.1134/S1070363223140360

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

The reactions of pyridine-2-sulfenyl and pyridine-2-selenenyl halides with heteroatomic vinyl compounds were used as a basis for the development of effective regioselective methods for the synthesis of new fused 3- and 2-functionally substituted 2,3-dihydro[1,3]thiazolo- and 2,3-dihydro[1,3]selenazolo[3,2-a]pyridin-4-ium derivatives. Unlike the reactions with vinyl ethers, vinyl sulfide, and vinylamide, leading to 3-substituted derivatives, the annulation with vinylsilane gives another regioisomer: 2-silyl derivatives.

引用

页码：S87 / S93

页数：7

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