METHOD FOR REMOVING BY-PRODUCT FROM N-VINYLAMIDE

摘要

PROBLEM TO BE SOLVED: To provide a simple method of removing a fluorescent by-product contained in the resulting product mixture from a product mixture as perfectly as possible in a well-known method for producing an N-vinylamide.SOLUTION: A crude N-vinylamide is extracted using an organic solvent in a method of separating a by-product from a product mixture (crude N-vinylamide) rich in an N-vinylamide.