Synthesis of benzoimidazoquinazolines by cobalt-catalyzed isocyanide insertion–cyclization
作者:Fereshteh Ahmadi、Ayoob Bazgir
DOI:10.1039/c6ra06828f
日期:——
An efficient and practical protocol for the synthesis of benzoimidazoquinazoline amines in moderate to good yields by the reaction of isocyanides and benzo[d]imidazol-anilines via a cobalt-catalyzed isocyanide insertion cyclization reaction...
An efficient metal-free synthesis of 2-amino-substituted-4(3 H )-quinazolinones
作者:Behrooz Mirza
DOI:10.1016/j.tetlet.2015.11.085
日期:2016.1
2-Amino-substituted-4(3H)-quinazolinones have been synthesized via an efficient metal-free reaction between 2-aminobenzamide derivatives and carbonimidic dibromides. The reaction proceeds in the presence of K2CO3 affording cyclized products in good to excellent yields. (C) 2015 Elsevier Ltd. All rights reserved.