Synthesis of 4-ethenyl quinazolines <i>via</i> rhodium(<scp>iii</scp>)-catalyzed [5 + 1] annulation reaction of <i>N</i>-arylamidines with cyclopropenones

Abstract

An unprecedented synthesis of 4-ethenyl quinazolines/2-benzoyl quinazolines <italic>via</italic> Rh(<sc>iii</sc>)-catalyzed C–H annulation reaction was reported.