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首页> 外国专利> Method for separating N, N-dialquilbisaminoalquiléter mixtures comprising N, N-dialquilbisaminoalquiléter and at least one of N, N, N'-trialquilbisaminoalquiléter and N, N, N ', N'-tetraalquilbisaminoalquiléter

Method for separating N, N-dialquilbisaminoalquiléter mixtures comprising N, N-dialquilbisaminoalquiléter and at least one of N, N, N'-trialquilbisaminoalquiléter and N, N, N ', N'-tetraalquilbisaminoalquiléter

机译：分离包含N，N-二邻二联双氨基芳香醇和N，N，N'-三邻二联双氨基芳香醇和N，N，N'，N'-四albisbisaminoalquiléter中的至少一种的N，N-二重双对氨基芳香醇混合物的方法

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摘要

According to the present invention, a method for separating a primary amine being an N,N-dialkylbisaminoalkylether, from mixtures comprising said primary amine and at least one of a secondary amine being an N,N,N-trialkylbisaminoalkylether and a tertiary amine being an N,N,N,N-tetraalkylbisaminoalkylether, comprising the steps: () joining said mixture and at least one of a ketone and an aldehyde for reacting said primary amine with said at least one of a ketone and an aldehyde, thereby providing a primary amine based imine by a Schiff base reaction; () separating the primary amine based imine from said at least one of the secondary or tertiary amine; and () recovering the primary amine from its primary amine based imine by hydrolysis of the primary amine based imine.
机译：根据本发明，一种从包含所述伯胺和仲胺中的至少一个的混合物中分离伯胺为N，N-二烷基双氨基烷基醚的方法，所述仲胺为N，N，N-三烷基双氨基烷基醚，而叔胺为叔胺。 N，N，N，N-四烷基双氨基烷基醚，其包括以下步骤：（）连接所述混合物和酮和醛中的至少一种，以使所述伯胺与所述酮和醛中的至少一种反应，从而提供伯通过席夫碱反应的胺基亚胺; （）从所述至少一种仲胺或叔胺中分离出伯胺基亚胺; （b）通过基于伯胺的亚胺的水解从基于伯胺的亚胺中回收伯胺。

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