C - Chemistry – Metallurgy – 07 – D
Patent
C - Chemistry, Metallurgy
07
D
260/322.5
C07D 207/448 (2006.01) C07D 207/452 (2006.01)
Patent
CA 1305965
ABSTRACT OF THE DISCLOSURE 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.
547541
Kita Yuichi
Nakagawa Kouichi
Nakagawa Yoichi
Sakamoto Kentaro
Kita Yuichi
Nakagawa Kouichi
Nakagawa Yoichi
Nippon Shokubai Kagaku Kogyo Co. Ltd
Sakamoto Kentaro
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