Affiliation:
1. University of Sofia, Faculty of Chemistry, blvd. J. Bourchier, 1, 1126 Sofia, Bulgaria
Abstract
The 1,4-addition reaction of lithium derivatives of N,N-disubstituted phenylacetamides with 2-arylmethylene-1,4-butanolides gives the corresponding N,N-disubstituted 2-(1-aryl-2-carbamoyl-2-phenylethyl)-1,4-butanolides 3a–f as diastereoisomeric mixtures with 40–68% yields.