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公开(公告)号:US07674934B2
公开(公告)日:2010-03-09
申请号:US11659331
申请日:2005-08-04
IPC分类号: C07C231/12 , C07D233/58 , C07D207/12 , C07D211/02 , C07D201/02
CPC分类号: C07D207/20 , C07C231/08
摘要: A process for preparing N-alkenyl compounds by reacting the corresponding NH compounds with alkynes in the liquid phase in the presence of a catalyst, wherein the reaction is carried out in the presence of at least one stabilizer, and the use of stabilizers for increasing the selectivity in a process for preparing N-alkenyl compounds by reacting the corresponding NH compounds with alkynes in the liquid phase in the presence of a catalyst.
摘要翻译: 一种在催化剂存在下使相应的NH化合物与液相中的炔反应制备N-烯基化合物的方法,其中该反应在至少一种稳定剂存在下进行,并且使用稳定剂来增加 在催化剂存在下,使相应的NH化合物与液相中的炔反应制备N-烯基化合物的方法中的选择性。
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公开(公告)号:US20080312432A1
公开(公告)日:2008-12-18
申请号:US11659331
申请日:2005-08-04
IPC分类号: C07D223/10 , C07D207/267
CPC分类号: C07D207/20 , C07C231/08
摘要: A process for preparing N-alkenyl compounds by reacting the corresponding NH compounds with alkynes in the liquid phase in the presence of a catalyst, wherein the reaction is carried out in the presence of at least one stabilizer, and the use of stabilizers for increasing the selectivity in a process for preparing N-alkenyl compounds by reacting the corresponding NH compounds with alkynes in the liquid phase in the presence of a catalyst.
摘要翻译: 一种在催化剂存在下使相应的NH化合物与液相中的炔反应制备N-烯基化合物的方法,其中该反应在至少一种稳定剂存在下进行,并且使用稳定剂来增加 在催化剂存在下,使相应的NH化合物与液相中的炔反应制备N-烯基化合物的方法中的选择性。
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公开(公告)号:US08440852B2
公开(公告)日:2013-05-14
申请号:US12529047
申请日:2008-02-27
申请人: Kirsten Dahmen , Alfred Oftring , Randolf Hugo , Thilo Hahn , Katrin Baumann , Johann-Peter Melder
发明人: Kirsten Dahmen , Alfred Oftring , Randolf Hugo , Thilo Hahn , Katrin Baumann , Johann-Peter Melder
IPC分类号: C07C209/48 , C07C253/08 , C07C211/14 , C07C255/03 , C07C255/04
CPC分类号: C07C209/48 , C07C255/25 , C07C211/14
摘要: The invention relates to a process for preparing tetraethylenepentamine (TEPA) by hydrogenation of diethylenetriaminediacetonitrile (DETDN) over a catalyst. If appropriate, DETDN can also be present as a constituent of an amino nitrile mixture which additionally comprises diethylenetriaminemonoacetonitrile (DETMN).
摘要翻译: 本发明涉及通过在催化剂上氢化二亚乙基三胺二乙酸(DETDN)制备四亚乙基五胺(TEPA)的方法。 如果合适,DETDN也可以作为另外包含二亚乙基三氨基乙腈(DETMN)的氨基腈混合物的组分存在。
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公开(公告)号:US07960591B2
公开(公告)日:2011-06-14
申请号:US12529034
申请日:2008-02-27
申请人: Kirsten Dahmen , Alfred Oftring , Randolf Hugo , Katrin Baumann , Thilo Hahn , Johann-Peter Melder
发明人: Kirsten Dahmen , Alfred Oftring , Randolf Hugo , Katrin Baumann , Thilo Hahn , Johann-Peter Melder
IPC分类号: C07C209/48
CPC分类号: C07C209/48 , C07C211/14
摘要: The invention relates to a process for preparing triethylenetetramine (TETA), which comprises hydrogenating ethylenediaminediacetonitrile (EDDN) in the presence of a catalyst and a solvent.
摘要翻译: 本发明涉及一种制备三亚乙基四胺(TETA)的方法,其包括在催化剂和溶剂存在下氢化乙二胺二乙腈(EDDN)。
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公开(公告)号:US07960590B2
公开(公告)日:2011-06-14
申请号:US12529101
申请日:2008-02-28
申请人: Kirsten Dahmen , Alfred Oftring , Randolf Hugo , Thilo Hahn , Katrin Baumann , Johann-Peter Melder
发明人: Kirsten Dahmen , Alfred Oftring , Randolf Hugo , Thilo Hahn , Katrin Baumann , Johann-Peter Melder
IPC分类号: C07C209/48
CPC分类号: C07C209/48 , C07C211/10
摘要: The invention relates to a process for preparing an ethylene amine mixture, which comprises the following steps: a) crude AAN which is largely free of formaldehyde cyanohydrin (largely FACH-free) is heated at a temperature of from 50 to 150° C. to give an amino nitrile mixture comprising aminoacetonitrile (AAN) and from 5 to 70% by weight of iminodiacetonitrile (DAN), b) hydrogenation of the amino nitrile mixture obtained in step a) in the presence of a catalyst. Ethylenediamine (EDA) and/or diethylenetriamine (DETA) and also, if appropriate, further ethylene amines can be isolated from the ethylene amine mixtures obtained.
摘要翻译: 本发明涉及一种制备乙烯胺混合物的方法,其包括以下步骤:a)将大部分不含甲醛氰醇(基本上不含FACH的)的粗AAN在50至150℃的温度下加热至 得到包含氨基乙腈(AAN)和5-70重量%亚氨基二乙腈(DAN)的氨基腈混合物,b)在催化剂存在下氢化步骤a)中得到的氨基腈混合物。 乙二胺(EDA)和/或二亚乙基三胺(DETA)以及如果合适的话,还可以从获得的乙烯胺混合物中分离另外的亚乙基胺。
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公开(公告)号:US08153845B2
公开(公告)日:2012-04-10
申请号:US12529096
申请日:2008-02-28
申请人: Alfred Oftring , Kirsten Dahmen , Thilo Hahn , Randolf Hugo , Katrin Baumann , Johann-Peter Melder
发明人: Alfred Oftring , Kirsten Dahmen , Thilo Hahn , Randolf Hugo , Katrin Baumann , Johann-Peter Melder
IPC分类号: C07C209/48
CPC分类号: C07C253/30 , C07C209/48 , C07C211/10 , C07C255/26
摘要: The invention relates to a process for preparing an amino nitrile mixture comprising aminoacetonitrile (AAN) and from 5 to 70% by weight of iminodiacetonitrile (IDAN), which comprises heating crude AAN which is largely free of formaldehyde cyanohydrin (FACH-free) at a temperature of from 50 to 150° C.
摘要翻译: 本发明涉及一种制备氨基腈混合物的方法,其包含氨基乙腈(AAN)和5-70重量%的亚氨基二乙腈(IDAN),其包括在大部分不含甲醛氰醇(FACH-)的情况下加热粗AAN, 温度为50〜150℃
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公开(公告)号:US20100121064A1
公开(公告)日:2010-05-13
申请号:US12529072
申请日:2008-02-28
申请人: Kirsten Dahmen , Alfred Oftring , Katrin Baumann , Randolf Hugo , Thilo Hahn , Johann-Peter Melder
发明人: Kirsten Dahmen , Alfred Oftring , Katrin Baumann , Randolf Hugo , Thilo Hahn , Johann-Peter Melder
IPC分类号: C07C209/00 , C07D241/04
CPC分类号: C07D295/13
摘要: The invention relates to a process for preparing triethylenetetramine (TETA), which, comprises the following steps: a) reaction of ethylenediamine (EDA) with formaldehyde and hydrocyanic acid (HCN) in a molar ratio of EDA to formaldehyde to HCN of from 1:1.5:1.5 to 1:2:2 to give ethylenediaminediacetonitrile (EDDN), b) hydrogenation of the EDDN obtained in step a) in the presence of a catalyst and a solvent.
摘要翻译: 本发明涉及一种制备三亚乙基四胺(TETA)的方法,其包括以下步骤:a)乙二胺(EDA)与甲醛和氢氰酸(HCN)的摩尔比与EDA与甲醛的摩尔比为1: 1.5:1.5:1:2:2,得到乙二胺二乙腈(EDDN),b)在催化剂和溶剂的存在下,在步骤a)中获得的EDDN氢化。
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公开(公告)号:US20100029991A1
公开(公告)日:2010-02-04
申请号:US12529034
申请日:2008-02-27
申请人: Kirsten Dahmen , Alfred Oftring , Randolf Hugo , Katrin Baumann , Thilo Hahn , Johann-Peter Melder
发明人: Kirsten Dahmen , Alfred Oftring , Randolf Hugo , Katrin Baumann , Thilo Hahn , Johann-Peter Melder
IPC分类号: C07C209/48
CPC分类号: C07C209/48 , C07C211/14
摘要: The invention relates to a process for preparing triethylenetetramine (TETA), which comprises hydrogenating ethylenediaminediacetonitrile (EDDN) in the presence of a catalyst and a solvent.
摘要翻译: 本发明涉及一种制备三亚乙基四胺(TETA)的方法,其包括在催化剂和溶剂存在下氢化乙二胺二乙腈(EDDN)。
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公开(公告)号:US07915454B2
公开(公告)日:2011-03-29
申请号:US12529107
申请日:2008-02-28
申请人: Alfred Oftring , Kirsten Dahmen , Randolf Hugo , Thilo Hahn , Katrin Baumann , Johann-Peter Melder
发明人: Alfred Oftring , Kirsten Dahmen , Randolf Hugo , Thilo Hahn , Katrin Baumann , Johann-Peter Melder
IPC分类号: C07C209/48
CPC分类号: C07C209/48 , C07C211/10
摘要: The invention relates to a process for preparing ethylenediamine by hydrogenation of aminoacetonitrile over a catalyst, wherein the hydrogenation is carried out in a solution comprising aminoacetonitrile, water in a proportion of from 0 to 60% by weight and a solvent and the aminoacetonitrile comprised in the solution is fed into the reaction vessel at a rate which is not greater than the rate at which the aminoacetonitrile reacts with hydrogen in the hydrogenation.
摘要翻译: 本发明涉及一种通过氨基乙腈在催化剂上氢化制备乙二胺的方法,其中氢化是在包含氨基乙腈的溶液中,以0至60重量%的比例的水和溶剂和包含在其中的氨基乙腈 溶液以不大于氨基乙腈在氢化中与氢反应的速率进料到反应容器中。
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公开(公告)号:US20100099872A1
公开(公告)日:2010-04-22
申请号:US12529087
申请日:2008-02-27
申请人: Kirsten Dahmen , Alfred Oftring , Katrin Baumann , Randolf Hugo , Thilo Hahn , Johann-Peter Melder
发明人: Kirsten Dahmen , Alfred Oftring , Katrin Baumann , Randolf Hugo , Thilo Hahn , Johann-Peter Melder
IPC分类号: C07D241/04 , C07C209/00
CPC分类号: C07C209/48 , C07C211/10 , C07C211/13 , C07C211/14 , C07C253/30 , C07C255/25
摘要: The invention relates to a process for preparing an ethylene amine mixture, which comprises hydrogenating an amino nitrile mixture comprising at least two α-amino nitriles in an amount of at least 5% by weight in each case in the presence of a catalyst and, if appropriate, a solvent.
摘要翻译: 本发明涉及一种制备乙烯胺混合物的方法,该方法包括在催化剂存在下,将包含至少两种α-氨基腈的氨基腈混合物氢化为至少5重量%,如果 适当的溶剂。
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