The Reaction of 2-(Acylamino)benzonitriles with Primary Aromatic Amines: A Convenient Synthesis of 2-Substituted 4-(Arylamino)quinazolines
作者:Elina Marinho、M. Proença
DOI:10.1055/s-0034-1380322
日期:2015.6
4-(arylamino)quinazolines were prepared from 2-(acylamino)benzonitriles and primary arylamines by refluxing in either ethanol using trifluoroacetic acid as a catalyst or acetic acid. The 2-aminobenzonitrile was acylated by reaction with anhydrides, isocyanates, or ethyl chloroformate at room temperature. 2-Substituted 4-(arylamino)quinazolines were prepared from 2-(acylamino)benzonitriles and primary arylamines