Nn. Romanova et al., THE APPLICATION OF MICROWAVE IRRADIATION TO THE MICHAEL SYNTHESIS OF ESTERS OF BETA-AMINO ACIDS, Mendeleev communications, (6), 1997, pp. 235-236
Microwave irradiation accelerates the Michael 1,4-addition of primary
and cyclic secondary amines to esters of alpha,beta-unsaturated alpha-
unsubstituted carboxylic acids.