Hydrosilane-promoted cyclization of 2-aminothiophenols by CO2 to benzothiazoles?

RSC Advances Pub Date: 2014-10-27 DOI: 10.1039/C4RA09372K

Abstract

A new route is presented to synthesize benzothiazoles via cyclization of 2-aminothiophenols by CO2 in the presence of diethylsilane catalyzed by 1,5-diazabicyclo[4.3.0]non-5-ene, and a series of benzothiazoles were obtained in good yields.

Graphical abstract: Hydrosilane-promoted cyclization of 2-aminothiophenols by CO2 to benzothiazoles
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