Eosin Y Catalyzed Visible-Light-Driven Aerobic Oxidative Cyclization of Thioamides to 1,2,4-Thiadiazoles

被引：77

作者：

Srivastava, Vishnu P. ^{[1
]}

Yadav, Arvind K. ^{[1
]}

Yadav, Lal Dhar S. ^{[1
]}

机构：

[1] Univ Allahabad, Dept Chem, Green Synth Lab, Allahabad 211002, Uttar Pradesh, India

来源：

SYNLETT | 2013年 / 24卷 / 04期

关键词：

visible light; eosin Y; photoredox; thioamides; cyclization; thiadiazoles; PHOTOREDOX CATALYSIS; 3,5-DISUBSTITUTED 1,2,4-THIADIAZOLES; DIASTEREOSELECTIVE SYNTHESIS; OXIDIZING-AGENTS; EFFICIENT; DIMERIZATION; PHOTOCATALYSIS; HETEROCYCLES; DERIVATIVES; INHIBITORS;

D O I：

10.1055/s-0032-1318158

中图分类号：

O62 [有机化学];

学科分类号：

070303 ; 081704 ;

摘要：

A new approach for an efficient metal-free synthesis of 1,2,4-thiadiazoles from primary thioamides using visible light and air in the presence of eosin Y as a photoredox catalyst is reported. The protocol involves an aerobic oxidative cyclization of thioamides via the formation of C-N and C-S bonds to afford excellent yields of the products in a simple one-pot operation under mild conditions.

引用

页码：465 / 470

页数：6

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