PROCESS FOR THE PRODUCTION OF CYCLOPROPYLMETHYLKETONE

摘要

A process is described for the production of the known intermediate cyclopropylmethyl- ketone which delivers a high yield, few side products, high reaction efficiency and turnover, and is more viable practically and commercially. In the presence o f an excess of a Periodic Table Group I or Group II metal halide or quaternary phosphonium halide, .alpha.-acetyl-.gamma.-butyrolactone is led continuously into a reaction vessel at 170-200 .degree.C and cyclopropylmethylketone distilled off continuously. The halide is recovered and recycled in the process.