An efficient copper(II)-catalyzed synthesis of benzothiazoles through intramolecular coupling-cyclization of N-(2-chlorophenyl)benzothioamides
作者:E.A. Jaseer、D.J.C. Prasad、Arpan Dandapat、Govindasamy Sekar
DOI:10.1016/j.tetlet.2010.07.079
日期:2010.9
A wide range of 2-aryl or 2-alkyl-substituted benzothiazoles are synthesized through intramolecular C-(aryl)-S bond forming-cyclization using copper(II)-BINAM-catalyzed coupling of less reactive N-(2-chlorophenyl)benzo or alkylthioamide under mild reaction conditions (82 degrees C). (C) 2010 Elsevier Ltd. All rights reserved.