我们的一生专利名称：PREPARATION OF N-SUBSTITUTED MALEIMIDE
发明人：OKADA TAKASHI,AKATSUKA
AKIHIRO,MATSUOKA KIYOSHIGE
申请号：JP20560688妈妈别走
网络不给力>学衡派
申请日：19880818
公开号：JPH0253772A营多捞面
公开日：
19900222月子鸽子汤的做法
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专利内容由知识产权出版社提供女士礼服
摘要：PURPOSE:To provide the subject compound uful as a heat resistance-improver for resins such as ABS, MMA and PVC resins and as an intermediate for drugs or agricultural chemicals by cyclization-imidating an N-substituted maleinamic acid in the prence of an acid catalyst and an alcohol at a relatively low temperature in a short time. CONSTITUTION:An N-substituted maleinamic acid (e.g., N-cyclohexylmaleinamic acid) of formula I (R is 3-20C cycloalkyl or 1-20C alkyl) is cyclization-imidated in the prence of an acid catalyst (e.g., sulfuric acid or acidic ion exchange resin) and an alcohol (e.g., n-butanol) to provide an N-substituted maleimide (e.g., N-cyclohexylmaleimide).
申请人：SHINKYOWA PETROCHEM CO LTD
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