Synthesis of new pyrrolidone derivatives

Reaction of N-chloromethylpyrrolidone with the sodio-derivatives of malonic and substituted malonic esters in dry ether has given the diethyl esters of the corresponding 2-oxopyrrolidinomethylmalonic acids.Translated from Khimiya Geterotsiklicheskikh Soedinenii, No. 9, pp. 1201–1202, September, 1970.