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Facile Synthesis of N-Sulfonylcyclothioureas in Water

✍ Scribed by Guoxiang Wan; Liang Xu; Xiaosi Ma; Yong Zhang; Jian Wang; Jian Zhang; Ning Ma

Publisher
John Wiley and Sons
Year
2011
Tongue
English
Weight
154 KB
Volume
29
Category
Article
ISSN
0256-7660

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✦ Synopsis

Abstract

A sequential one‐pot synthesis of N‐sulfonylcyclothioureas from N‐monosulfonyl diamines, CS~2~ and chloroacetic acid at room temperature in water is described. In the absence of highly toxic thiophosgene and organic solvents, this method is environmentally benign. Simple reaction conditions, easy purification of the products, good yields and thioglycolic acid as the useful byproduct are also important attributes of this methodology. The plausible mechanism including tandem reactions is proposed.

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