Selective Manufacture of N,N'-BIS(Cyanoethyl)-1,2-Ethylenediamine and N, N'-BIS(3-aminopropyl)-1,2-Ethylenediamine
申请人:Hayes Kathryn Sue
公开号:US20080194857A1
公开(公告)日:2008-08-14
A method for making N,N′-bis(3-aminopropyl)-1,2-ethylenediamine which comprises reacting acrylonitrile and ethylenediamine in about a 2:1 molar ratio to make a N,N′-bis(cyanoethyl)-1,2-ethylenediamine reaction product and hydrogenating the reaction product, the improvement for improving the selectivity of the reactions to N,N′-bis(2-cyanoethyl)-ethylenediamine and to N,N′-bis(3-aminopropyl)-1,2-ethylenediamine which comprises reacting acrylonitrile and ethylenediamine in the presence of 2-30 wt % water, based on total reactants.
一种制备N,N'-双(3-氨丙基)-1,2-乙二胺的方法,包括在大约2:1的摩尔比下反应丙烯腈和乙二胺,以制备N,N'-双(氰乙基)-1,2-乙二胺反应产物,并对反应产物进行氢化,改进提高反应选择性以制备N,N'-双(2-氰乙基)-乙二胺和N,N'-双(3-氨丙基)-1,2-乙二胺的方法,包括在总反应物质的基础上加入2-30重量%的水,使丙烯腈和乙二胺在水的存在下进行反应。