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
收藏
页码：S87 / S93
页数：7
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