Process for the preparation of N-substituted maleimides
申请人:Tosoh Corporation
公开号:EP0393713A1
公开(公告)日:1990-10-24
N-substituted maleimide represented by formula (2):
is produced from N-substituted maleamic acid monoester represented by formula (1):
in the presence of an acid catalyst by elimination of an alcohol from the monoester. The above N-substituted maleamic acid monoester represented by formula (1) is produced by esterification of N-substituted maleamic acid represented by formula (3):
with an alcohol R² -OH in the presence of an acid catalyst.