Iodine-catalyzed regioselective thiolation of imidazo[1,2-a]pyridines using sulfonyl hydrazides as a thiol surrogate

被引：147

作者：

Bagdi, Avik Kumar ^{[1
]}

Mitra, Shubhanjan ^{[1
]}

Ghosh, Monoranjan ^{[1
]}

Hajra, Alakananda ^{[1
]}

机构：

[1] Visva Bharati, Dept Chem, Santini Ketan 731235, W Bengal, India

来源：

ORGANIC & BIOMOLECULAR CHEMISTRY | 2015年 / 13卷 / 11期

关键词：

C-H FUNCTIONALIZATION; ONE-POT SYNTHESIS; METAL-FREE; OXIDATIVE CYCLIZATION; COUPLING REACTION; BOND FORMATION; DIRECT ACCESS; SULFENYLATION; INDOLES; HETEROCYCLES;

D O I：

10.1039/c5ob00033e

中图分类号：

O62 [有机化学];

学科分类号：

070303 ; 081704 ;

摘要：

Iodine-catalyzed regioselective sulfenylation of imidazo[1,2-a]pyridines via C(sp(2))-H bond functionalization has been achieved using sulfonyl hydrazides as a thiol surrogate. A library of 3-sulfanylimidazopyridines with broad functionalities was synthesized under metal and oxidant-free practical reaction conditions. This methodology is also applicable for the regioselective sulfenylation of imidazo[2,1-b]thiazole and benzo[d]imidazo[2,1-b]thiazole.

引用

页码：3314 / 3320

页数：7

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