Three-component tandem reaction involving acid chlorides, terminal alkynes, and ethyl 2-amino-1H-indole-3-carboxylates: synthesis of highly diversified pyrimido[1,2-a]indoles via sequential Sonogashira and [3+3] cyclocondensation reactions
作者:Sahaj Gupta、Sudhir K. Sharma、Anil K. Mandadapu、Harsh M. Gauniyal、Bijoy Kundu
DOI:10.1016/j.tetlet.2011.06.021
日期:2011.8
A simple, highly efficient three-component reaction involving acid chlorides, terminal alkynes, and ethyl 2-amino-1H-indole-3-carboxylates, for the synthesis of highly diversified pyrimido[1,2-a]indoles has been described. The salient feature of the reaction involves sequential Sonogashira and [3+3] cyclocondensation reactions. (C) 2011 Elsevier Ltd. All rights reserved.