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Phosphorus, Sulfur, and Silicon and the Related Elements Volume 190, 2015 - Issue 7
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Original Articles

Synthesis of Benzothiazoles by the Reaction of Disulfide and Aromatic Carboxylic Acid Promoted by PCL3 and DBU

Guangyan DuChemical Engineering College, Inner Mongolia University of Technology, Hohhot, P. R. China
,
Ning ZhuChemical Engineering College, Inner Mongolia University of Technology, Hohhot, P. R. ChinaCorrespondence[email protected]
,
Hailong HongChemical Engineering College, Inner Mongolia University of Technology, Hohhot, P. R. China
,
Limin HanChemical Engineering College, Inner Mongolia University of Technology, Hohhot, P. R. China
&
Quanling SuoChemical Engineering College, Inner Mongolia University of Technology, Hohhot, P. R. China
Pages 1154-1159 | Received 29 Jul 2014, Accepted 10 Oct 2014, Published online: 25 Jul 2015
 
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GRAPHICAL ABSTRACT

Abstract

A new synthetic method for the synthesis of benzothiazoles via PCl3 and DBU promoted cleavage/acylation/cyclization tandem reaction of disulfides and aromatic carboxylic acids has been developed. PCl3 acted as both an acylating reagent and a disulfide cleaving reagent, which promoted disulfides of 2-aminobenzenethiol to react with aromatic carboxylic acid to produce benzothiazole derivatives.

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