发明名称 Process for the manufacture of substituted maleimides.
摘要 <p>In a process for the preparation of substituted maleimides the corresponding amines are reacted with maleic anhydride and the thermal imidization of the resulting substituted amic-acids is effected in a mixed apolar/polar aprotic solvent medium in the presence of an acid catalyst, a substantial portion of the apolar solvent is subsequently selectively removed from the reaction mixture and most of the final product is precipitated. <IMAGE></p>
申请公布号 EP0499959(A1) 申请公布日期 1992.08.26
申请号 EP19920102323 申请日期 1992.02.12
申请人 BROMINE COMPOUNDS LTD. 发明人 ADDA, MICHEL;EIDELMAN, CHAIM;SHORR, LEONARD
分类号 B01J27/02;B01J27/16;B01J31/02;C07B61/00;C07D207/44;C07D207/448;C07D207/452 主分类号 B01J27/02
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