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我的一段英译汉译文,请各位讲评?

原文链接: http://patft.uspto.gov/netacgi/nph-Parser?Sect1=PTO1&Sect2=HITOFF&d=PALL&p=1&u=/netahtml/PTO/srchnum.htm&r=1&f=G&l=50&s1=4287363.PN.&OS=PN/4287363&RS=PN/4287363 以下是鄙人的肛腚力作(仍然是那份倒霉的专利文献),欢迎各位过路神仙拍砖。 A 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. 本发明公开了一种用于生产 N- (氨烷基)丙烯酰胺的催化反应过程,将β - 氨基丙酰胺盐酸盐置于 100 至 250 摄氏度且有催化剂(由一种强酸的镁盐、钙盐或铝盐作为催化剂)的环境中,并将 N- (氨烷基)丙烯酰胺从反应产物中分离出来。β - 氨基丙酰胺盐酸盐是用至少 2 摩尔的氨烷基胺以及丙烯酸(或酯)制备出来的。本发明所用方法的 N- (氨烷基)丙烯酰胺产出率高,而后加或聚合效应相对较小。
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an acrylic acid or ester compound 可能是“丙烯酸或丙烯酸酯混合物”
an acrylic acid or ester compound 指的是什么? 丙烯酸或丙烯脂? 此处的compound是啥?
a 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. 本文披露了一种制备n-(氨烷基)丙烯酰胺的催化反应工艺,包括在以镁、钙或铝的强酸盐为催化剂下,将相应的β-氨基丙酰胺盐置于100至250摄氏度的处理,及将n-(氨烷基)丙烯酰胺从反应产物中的分离。相应的β-氨基丙酰胺盐可由至少2摩尔的氨烷基胺以及丙烯酸/酯混合并制备。这一开创性的工艺可使n-(氨烷基)丙烯酰胺的生产获得高产出率,最小程度的后加成或聚合。 “back-addition ”还请大家商榷
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。
猜测: back addition: 生成的产物 n-氨烷基丙烯酰胺alpha和beta位是双键,可以发生加成反应;而addtion reaction 发生在desired reation 后, 所以就是 back-addition.
网上找到一份专利文献,大家可以探讨一下back-addition到底是什么?大概原文后边的polymerization 就是来解释back-addition的。 according to the invention, the prepolymer formed by the reaction of components (i), (ii) and (iii) is reacted with amino alcohols (iv) so that the nco groups remaining in the prepolymer are at least partly reacted with (iv). amino alcohols containing a primary or secondary amino group are particularly suitable for this reaction of the nco-terminated prepolymers, which is also known as " back-addition ". compounds containing a tertiary amino group are also suitable. low molecular weight amino alcohols are preferred, those containing from 2 to 40 carbon atoms and preferably from 2 to 12 carbon atoms being particularly suitable. ............... 文章来源[url=http://203.208.39.132/search?q=cache:jmtvzzegduoj: /patent/bonding ... ymerization&amp ;cd=36&hl=zh-cn&ct=clnk&gl=cn&st_usg=alhdy29f4oas_karde1tf-1g8oig0mbkmq]http://203.208.39.132/search?q=cache:jmtvzzegduoj: /patent/bonding ... ymerization&amp ;cd=36&hl=zh-cn&ct=clnk&gl=cn&st_usg=alhdy29f4oas_karde1tf-1g8oig0mbkmq[/url]
在这份文献中description of prior art的最后见到如下一段话,不知是否有助于理解 back addition: the high yields of relatively pure, stable product were also unexpected since primary amines normally add back faster than secondary amines to form the corresponding .beta.-aminopropionamide starting materials.
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