发明名称 |
METHOD FOR PRODUCTION OF MALEIMIDES |
摘要 |
A method for the production of a maleimide by dehydration and ring-closure of maleinamic acid obtained by the reaction of maleic anhydride with an amine, which method is characterized by effecting ring-closure imidation of said maleinamic acid by heating said maleinamic acid in a water-insoluble or water-immiscible inert organic solvent in the presence of a catalyst comprising a mixture of the amine salt and the acid. |
申请公布号 |
CA1305965(C) |
申请公布日期 |
1992.08.04 |
申请号 |
CA19870547541 |
申请日期 |
1987.09.22 |
申请人 |
NIPPON SHOKUBAI KAGAKU KOGYO CO., LTD. |
发明人 |
KITA, YUICHI;NAKAGAWA, KOUICHI;SAKAMOTO, KENTARO;NAKAGAWA, YOICHI |
分类号 |
C07B61/00;C07D207/448;C07D207/452 |
主分类号 |
C07B61/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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