A metal-free four-component sulfonylation, Giese cyclization, selenylation cascade via insertion of sulfur dioxide

被引：16

作者：

Nair, Akshay M. ^{[1
]}

Halder, Indranil ^{[1
]}

Volla, Chandra M. R. ^{[1
]}

机构：

[1] Indian Inst Technol, Dept Chem, Mumbai 400076, Maharashtra, India

来源：

CHEMICAL COMMUNICATIONS | 2022年 / 58卷 / 49期

关键词：

DIAZONIUM SALTS; CYCLOHEXADIENONES;

D O I：

10.1039/d2cc02315f

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

We hereby report a highly regio- and diastereoselective arylsulfonylation-radical cyclization-selenylation cascade of alkynyl cyclohexadienones for the facile synthesis of highly functionalized dihydrochromenones. The protocol utilizes aryldiazonium salts as aryl partners and DABSO as a benign SO2 source and also as a redox mediator. Additionally, we also developed a visible light mediated protocol wherein diaryliodonium salts were used as the aryl partners at room temperature.

引用

页码：6950 / 6953

页数：4

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