Synthesis of substituted (α-methylene lactams by rhodium catalysed carbonylation of acetylenic amines
作者:Eva M. Campi、J.Michael Chong、W.Roy Jackson、Marcel Van Der Schoot
DOI:10.1016/s0040-4020(01)86969-6
日期:1994.2
Reactions of gamma- and beta-aminoalkynes, (2) and (5) with hydrogen and carbon monoxide in the presence of rhodium catalysts give substituted alpha-methylene-2-piperidinones (7) and 2-pyrrolidinones (11).