Synthesis 2012(10): 1477-1480  
DOI: 10.1055/s-0031-1289713
PSP
© Georg Thieme Verlag Stuttgart ˙ New York

A Convenient Metal-Free Method for the Synthesis of Benzothiazolethiones from o-Haloanilines and Carbon Disulfide

Peng Zhaoa, Fei Wanga, Chanjuan Xi*a,b
a Key Laboratory of Bioorganic Phosphorus Chemistry & Chemical Biology (Ministry of Education), Department of Chemistry, Tsinghua University, Beijing 100084, China
e-Mail: cjxi@tsinghua.edu.cn;
b State Key Laboratory of Elemento-Organic Chemistry, Nankai University, Tianjin 300071, China
Further Information

Publication History

Received 30 December 2011
Publication Date:
16 February 2012 (online)

Abstract

A convenient method has been developed for the preparation of a variety of 1,3-benzothiazole-2(3H)-thiones. The reaction proceeds from an o-haloaniline derivative and carbon disulfide in the presence of 1,8-diazabicyclo[5.4.0]undec-7-ene at 80-140 ˚C to give the corresponding 1,3-benzothiazole-2(3H)-thione derivatives in good-to-excellent yields.

    References

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