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  • Concise approach to benzisothiazol-3(2H)-one via copper-catalyzed tandem reaction of o-bromobenzamide and potassium thiocyanate in water.

Concise approach to benzisothiazol-3(2H)-one via copper-catalyzed tandem reaction of o-bromobenzamide and potassium thiocyanate in water.

The Journal of organic chemistry (2012-03-27)
Fei Wang, Chao Chen, Geng Deng, Chanjuan Xi
ABSTRACT

A concise approach to various benzisothiazol-3(2H)-one derivatives has been developed by copper-catalyzed the reaction of o-bromobenzamide derivatives with potassium thiocyanate (KSCN) in water. The reaction proceeds via a tandem reaction with S-C bond and S-N bond formation.

MATERIALS
Product Number
Brand
Product Description

Sigma-Aldrich
1,2-Benzisothiazol-3(2H)-one, 97%
Sigma-Aldrich
Potassium thiocyanate, BioXtra, ≥99.0%
Sigma-Aldrich
Potassium thiocyanate, ReagentPlus®, ≥99.0%
Sigma-Aldrich
Potassium thiocyanate solution, volumetric, 8 M KSCN