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Synfacts 2011(10): 1138-1138  
DOI: 10.1055/s-0030-1261083
Polymer-Supported Synthesis
© Georg Thieme Verlag Stuttgart ˙ New York

Synthesis of 2-Aminobenzothiazoles with a Polymeric Phen-Cu(I) Complex

Contributor(s): Yasuhiro Uozumi, Haifeng Zhou
J. Yang, P. Li, L. Wang*
Huaibei Normal University and Shanghai Institute of Organic Chemistry, P. R. of China
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Publication History

Publication Date:
20 September 2011 (online)

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Significance

The Merrifield resin immobilized phenanthroline-Cu(I) complex 3 was prepared according to eq. 1. Complex 3 catalyzed the tandem addition-substitution reaction of 2-haloanilines 4 with isothiocyanates 5 to give the corresponding 2-amino-benzothiazoles 6 in 52-95% yield (21 examples).