TfOH-promoted transformation from 2-alkynylphenyl isothiocyanates to quinoline-2-thiones or indoles
作者:Takashi Otani、Shinichi Kunimatsu、Taku Takahashi、Hiroshi Nihei、Takao Saito
DOI:10.1016/j.tetlet.2009.04.045
日期:2009.7
A variety of 4-arylquinoline-2-thiones and 3-arylthieno[2,3-b]indoles were synthesized in high yields via TfOH-promoted tandem Friedel-Crafts alkenylation-cyclization reactions of 2-alkynylphenyl isothiocyanates. (c) 2009 Elsevier Ltd. All rights reserved.