METHOD FOR PRODUCING ACRYLIC ACID CHLORIDE AND METHACRYLIC ACID CHLORIDE

摘要

PROBLEM TO BE SOLVED: To solve a problem in production of (meth)acrylic acid chloride using any reagent for production of an acid chloride, that a part of (meth)acrylic acid chloride polymerizes and causes reduction of the yield in distillation. SOLUTION: The method suppresses reduction of the yield caused by the polymerization and obtains (meth)acrylic acid chloride with high purity in high yield by carrying out the acid chloride formation in a mild condition using DMF as a catalyst in the reaction of the (meth)acrylic acid with phosgene. COPYRIGHT: (C)2004,JPO