我的一段英译汉译文，请各位讲评？ 最费解的是back-addition，俺的有机化学虽然忘得差不多僚，可是似乎没听说什么‘后加成反应’。这里是指什么呢？难道是指副反应？ catalytic process for the preparation of n-(alkylaminoalkyl)acrylamides is disclosed which comprises subjecting a corresponding .beta.-aminopropionamide to a temperature of about 100.degree.-250.degree. c. in presence of a catalyst comprising a magnesium, calcium or aluminum salt of a strong acid, and separating the n-(alkylaminoalkyl)acrylamide from the reaction product. the corresponding .beta.-aminopropionamide compounds can be prepared by mixing and reacting at least 2 moles of an alkylaminoalkyl amine with an acrylic acid or ester compound. the inventive process provides the production of the n-(alkylaminoalkyl)acrylamides in high yields with minimal back-addition or polymerization. 本发明公开了一种n-（氨烷基）丙烯酰胺的制备工艺——β-氨基丙酰胺盐酸盐于100~250摄氏度，在强酸催化剂（含镁盐、钙盐或铝盐）作用下发生催化反应，并将产物n-（氨烷基）丙烯酰胺分离出来。β-氨基丙酰胺盐酸盐可用至少2摩尔的氨烷基胺与丙烯酸（或酯）反应来制备。本工艺发明制备的n-（氨烷基）丙烯酰胺产率高， 副反应 或聚合反应少。查看更多
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