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

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

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

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