1,4-Addition of N,N-Disubstituted Phenylacetamides to 2-Arylmethylene-1,4-butanolides
作者:Tzvetanka P. Cholakova、Alexander A. Dobrev、Assen B. Kanchev、Petja P. Mikhailova
DOI:10.1039/a904005f
日期:——
The 1,4-addition reaction of lithium derivatives of N,N-disubstitutedphenylacetamides 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.
Substituted γ-Lactones. I. Preparation of α-Substituted γ-Butyrolactones by Condensation of γ-Butyrolactone with Aldehydes. Hydrogenation of the Condensation Products