N- N- CATALYST FOR DEHYDRATION OF PREPARING N-SUBSTITUTED MALEIMIDES METHOD OF PREPARING THE SAME AND PREPARING METHOD OF N-SUBSTITUTED MALEIMIDES

摘要

The present invention minimizes the generation of by-products and can be reused since the activity does not decrease even after being reused several times, so that the dehydration reaction catalyst for preparing N-substituted maleimide that can maintain the reaction activity for a long time, the preparation method thereof, and the N-substituted maleimide It relates to a method of manufacturing.