METHOD FOR PRODUCING PIVALOYLACETIC ACID ESTER

摘要

PURPOSE: To provide a method for producing a pivaloylacetic acid ester having high purity with good operability in high productivity at a low cost. CONSTITUTION: The objective pivaloylacetic acid ester is produced by reacting pivaloyl chloride with a 1-4C alkyl ester of acetoacetic acid in the presence of (a) at least one kind of nitrogen-containing basic compound selected from pyridine compound, N,N-dialkylaniline and imidazole compound and (b) 0.01-0.5 mol-equivalent (based on pivaloyl chloride) of a magnesium compound and decomposing the obtained pivaloylacetoacetic acid ester by alcoholysis or alkali hydrolysis.