One-pot synthesis of benzolactones and lactams via a cobalt-catalyzed regioselective 2+2+2 cocyclotrimerization of alkynyl alcohols and amines with propiolates

摘要

[[abstract]]An efficient method for the synthesis of benzolactones and benzolactams via a cobalt-catalyzed [ 2 + 2 + 2] cocyclotrimerization of alkynyl alcohols and alkynyl amines with propiolates is described.