METHOD FOR PREPARING alpha-METYLENE LACTONE

摘要

The present invention relates to a method for preparing alpha-metylene lactone comprising the steps of: (A) preparing an enolate intermediate by reacting lactone with alkyl formate under conditions in which an alcoxide base exists; and (B) reacting the enolate intermediate with paraformaldehyde. The method of the present invention can reduce processing time, can increase yield, and can minimize the contamination of a reactor.