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1. 发明授权

US06222075B1 Process for the production of N, N, N′, N′,-tetra-(2-hydroxyethyl)ethylene diamine 失效
标题翻译：制备N，N，N'，N'， - 四 - （2-羟乙基）乙二胺的方法
公开(公告)号：US06222075B1
公开(公告)日：2001-04-24
申请号：US09331048
申请日：1999-07-08
申请人： Klaus Ihrig , Manfred Bergfeld , Christian Blaufelder
发明人： Klaus Ihrig , Manfred Bergfeld , Christian Blaufelder
IPC分类号： C07C21300
CPC分类号： C07C213/04 , C07C215/14
摘要： A process is described for the production of N,N,N′,N′-tetra-(2-hydroxyethyl)-ethylene diamine in a solvent, in which ethylene diamine is reacted selectively with ethylene oxide in the absence of water in one or more saturated C3-C9 alcohols at a temperature from 120 to 220° C. and at a pressure from 2 to 60 bar in a molar ratio of 1:4, with a high yield. The conversion is preferably carried out in isopropanol, isomeric C7-C9 alcohol mixtures, C8 alcohol mixtures or C9 alcohol mixtures at a temperature from 140 to 180° C.
摘要翻译：描述了在溶剂中制备N，N，N'，N'-四 - （2-羟乙基） - 亚乙基二胺的方法，其中在不存在水的情况下，乙二胺与环氧乙烷选择性地与环氧乙烷反应，更高饱和的C3-C9醇，温度为120-220℃，压力为2至60巴，摩尔比为1:4，产率高。转化率优选在异丙醇，异构体C7-C9醇混合物，C8醇混合物或C9醇混合物中在140-180℃的温度下进行。

2. 发明授权

US06624327B1 Process for preparing betaines 失效
标题翻译：制备甜菜碱的方法
公开(公告)号：US06624327B1
公开(公告)日：2003-09-23
申请号：US10048876
申请日：2002-05-02
申请人： Christian Blaufelder , Reinhard Broucek , Axel Carstens , Ludwig Eisenhuth
发明人： Christian Blaufelder , Reinhard Broucek , Axel Carstens , Ludwig Eisenhuth
IPC分类号： C07C22900
CPC分类号： C07C227/02 , C07C229/12
摘要： The invention relates to a process for preparing betaines of formula (I) wherein R1 represents a C1-C24 hydrocarbon group, and R2 and R3 independently represent a C1-C3 hydrocarbon group, comprising reacting an aqueous solution of an ethoxylated quaternay ammonium compound of formula (II) wherein R1, R2, and R3 have the same meaning as described above and X− represents a suitable anion, with oxygen or an oxygen-containing gas under alkaline conditions in the presence of a supported and promoted Pt catalyst at a temperature ranging from room temperature to 70° C. Preferably, use is made of a Pt/Bi/C catalyst. The invention process is particularly suitable for converting choline chloride into betaine, which is used as an animal feed
摘要翻译：本发明涉及一种制备式（I）的甜菜碱的方法，其中R 1表示C 1 -C 24烃基，R 2和R 3独立地代表C 1 -C 3烃基，其包括使水式（II）的乙氧基化季铵化合物的溶液，其中R 1，R 2和R 3具有与上述相同的含义，X 1代表适合的阴离子，与氧或氧在负载和促进的Pt催化剂存在下，在碱性条件下，在室温至70℃的温度范围内，优选使用Pt / Bi / C催化剂。本发明方法特别适用于将氯化胆碱转化为甜菜碱，其用作动物饲料

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