Synthesis of 2-oxo-2,3,5,6-tetrahydro-5-thioxoimidazo[1,2-c]quinazolines by one-pot cyclization of α-aminocarboxylic esters with 2-(isothiocyanato)benzonitrile (ITCB)
作者:Anja Bodtke、Helmut Reinke、Dirk Michalik、Peter Langer
DOI:10.1016/j.tet.2006.05.075
日期:2006.8
The cyclization of 2-(isothiocyanato)benzonitrile with alpha-aminocarboxylic esters and acids afforded a variety of 2-oxo-2,3,5,6-tetrahydro-5-thioxo-imidazo[1,2-c]quinazolines with very good regioselectivity. (c) 2006 Elsevier Ltd. All rights reserved.