imidazo[1,2-a]pyridines;
imidazo[2,1-b][1,3]thiazoles;
isocyanides;
three-component reactions;
catalyst-free synthesis in water;
D O I:
10.1016/j.tetlet.2007.08.049
中图分类号:
O62 [有机化学];
学科分类号:
070303 ;
081704 ;
摘要:
A catalyst-free and convenient protocol is described for the preparation of 3-aminoimidazo[1,2-a]pyridines and 5-aminoimidazo[2,1-b][1,3]thiazoles via three-component reactions between 2-aminopyridines or 2-aminothiazoles, aldehydes, and isocyanides in water in good to excellent yields. (c) 2007 Elsevier Ltd. All rights reserved.