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Issue 9, 2018
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A catalyst-free and additive-free method for the synthesis of benzothiazolethiones from o-iodoanilines, DMSO and potassium sulfide

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Abstract

Under catalyst-free and additive-free conditions, a novel, convenient, eco-friendly method for the synthesis of benzothiazolethiones has been developed. The three-component reaction of o-iodoanilines and K2S with DMSO proceeded smoothly and the corresponding benzothiazolethiones were obtained with good isolated yields. Meanwhile, this method could be used for the synthesis of thioureas from primary diamines. Furthermore, mechanism research showed that DMSO not only functioned as a carbon source, but also as a mild oxidant in this reaction.

Graphical abstract: A catalyst-free and additive-free method for the synthesis of benzothiazolethiones from o-iodoanilines, DMSO and potassium sulfide

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Article information


Submitted
11 Feb 2018
Accepted
20 Mar 2018
First published
21 Mar 2018

Green Chem., 2018,20, 1970-1974
Article type
Communication

A catalyst-free and additive-free method for the synthesis of benzothiazolethiones from o-iodoanilines, DMSO and potassium sulfide

X. Zhu, W. Li, X. Luo, G. Deng, Y. Liang and J. Liu, Green Chem., 2018, 20, 1970
DOI: 10.1039/C8GC00477C

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