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公开(公告)号:US06583281B2
公开(公告)日:2003-06-24
申请号:US09851346
申请日:2001-05-09
申请人: Arnd Böttcher , Rolf Pinkos , Rudolf Erich Lorenz , Hansjörg Nickel , Jihong He
发明人: Arnd Böttcher , Rolf Pinkos , Rudolf Erich Lorenz , Hansjörg Nickel , Jihong He
IPC分类号: C07D22310
CPC分类号: C07D279/20 , C07D201/18
摘要: The invention provides an N-alkenyllactam having at least a 6-membered lactam ring, stabilized by phenothiazine and/or derivatives thereof, and a process for the stabilization of N-alkenyllactams.
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公开(公告)号:US06673920B2
公开(公告)日:2004-01-06
申请号:US10168211
申请日:2002-06-19
申请人: Thomas Preiss , Arnd Böttcher , Rolf Pinkos , Rudolf Erich Lorenz
发明人: Thomas Preiss , Arnd Böttcher , Rolf Pinkos , Rudolf Erich Lorenz
IPC分类号: C07D22310
CPC分类号: C07D207/267 , C07C231/08 , C07D211/76 , C07D223/10
摘要: A process for preparing N-alkenyl-amides by reacting the corresponding NH-amides with acetylenes in the liquid phase in the presence of basic alkali metal compounds and of a cocatalyst comprises using as the cocatalyst diols of the general formula (I) where X is branched or unbranched alkylene selected from the group consisting of where R1 to R6 are independently hydrogen or C1- to C4-alkyl; or branched or unbranched cyclic alkylene of 3 to 14 carbon atoms including 3 to 12 ring carbon atoms, their monoalkenyl ethers, their dialkenyl ethers or mixtures thereof.
摘要翻译: 在碱性碱金属化合物和助催化剂存在下,通过使液相中相应的NH-酰胺与乙炔反应来制备N-烯基酰胺的方法包括使用通式(I)的助催化剂二醇,其中X支化 或非支链的亚烷基,其中R 1至R 6独立地为氢或C 1至C 4 - 烷基;包含3至12个环碳原子的3至14个碳原子的支链或非支链环状亚烷基,它们的单链烯基醚,它们的二链烯基醚或 其混合物。
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公开(公告)号:US06596862B2
公开(公告)日:2003-07-22
申请号:US10152637
申请日:2002-05-23
申请人: Arnd Böttcher , Rolf Pinkos , Rudolf Erich Lorenz , Heike Becker
发明人: Arnd Böttcher , Rolf Pinkos , Rudolf Erich Lorenz , Heike Becker
IPC分类号: C07D22310
CPC分类号: C07D223/10 , C07D201/16
摘要: A process for purifying N-vinyl-&egr;-caprolactam comprises converting the N-vinyl-&egr;-caprolactam which is to be purified and has a purity of at least 95% by weight into a melt, partially crystallizing the melt and separating the crystals from the mother liquor.
摘要翻译: 一种纯化N-乙烯基-ε-己内酰胺的方法包括将要纯化的纯度为至少95重量%的N-乙烯基-ε-己内酰胺转化成熔体,使熔体部分结晶并将晶体从 母酒。
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公开(公告)号:US06743912B2
公开(公告)日:2004-06-01
申请号:US10033914
申请日:2002-01-03
申请人: Arnd Böttcher , Rolf Pinkos , Rudolf Erich Lorenz
发明人: Arnd Böttcher , Rolf Pinkos , Rudolf Erich Lorenz
IPC分类号: C07D20118
CPC分类号: C07D223/10 , C07D201/18
摘要: A method of storing and transporting N-vinyl-&egr;-caprolactam is provided wherein the N-vinyl-&egr;-caprolactam is kept in the liquid phase.
摘要翻译: 提供N-乙烯基 - ε-己内酰胺的储存和运输方法,其中N-乙烯基 - ε-己内酰胺保持在液相中。
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公开(公告)号:US06624303B2
公开(公告)日:2003-09-23
申请号:US10168213
申请日:2002-06-19
申请人: Arnd Böttcher , Rolf Pinkos , Thomas Preiss , Rudolf Erich Lorenz
发明人: Arnd Böttcher , Rolf Pinkos , Thomas Preiss , Rudolf Erich Lorenz
IPC分类号: C07D22310
CPC分类号: C07D207/267 , C07D211/76 , C07D223/10
摘要: A process for preparing N-alkenyl-amides by reacting the corresponding NH-amides with acetylenes in the liquid phase in the presence of basic alkali metal compounds and of a cocatalyst comprises using as the cocatalyst compounds of the general formulae (Ia) and/or (Ib) R1O—(CH2CH2CH2CH2O)n—H (Ia): R1O—(CH2CH2CH2CH2O)n—R2, (Ib): where n is 1, 2 or 3 and R1 and R2 are independently C1- to C6-alkyl or C2- to C6-alkenyl, or together a butenyl unit.
摘要翻译: 在碱性碱金属化合物和助催化剂存在下,通过使相应的NH-酰胺与乙炔在液相中反应来制备N-烯基酰胺的方法包括使用通式(Ia)和/或 (Ib)其中n为1,2或3,R 1和R 2独立地为C 1 -C 6 - 烷基或C 2 -C 6 - 烯基,或一起为丁烯基单元。
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公开(公告)号:US06384216B1
公开(公告)日:2002-05-07
申请号:US09924475
申请日:2001-08-09
申请人: Rudolf Erich Lorenz , Arnd Böttcher , Rolf Pinkos
发明人: Rudolf Erich Lorenz , Arnd Böttcher , Rolf Pinkos
IPC分类号: C07C20984
CPC分类号: C07D231/12 , C07B63/00 , C07C41/42 , C07C209/84 , C07D223/10 , C07D233/56 , C07D249/08 , C07C211/21 , C07C43/16
摘要: A process for purifying alkenyl compounds having a divalent or trivalent heteroatom in the &agr;-position relative to the double bond by distillation comprises carrying out at least two distillations in which the purified alkenyl compounds are obtained from the gas phase by condensation, where the time between the first distillation after the synthesis of the alkenyl compounds and at least one further distillation is at least one day and the purified alkenyl compounds have an APHA color number of
摘要翻译: 通过蒸馏纯化在相对于双键的α位具有二价或三价杂原子的烯基化合物的方法包括进行至少两次蒸馏,其中通过冷凝从气相中获得纯化的链烯基化合物,其中, 在合成烯基化合物之后的第一次蒸馏和至少一次进一步的蒸馏是至少一天,并且纯化的烯基化合物的APHA颜色数目<30。
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7.
公开(公告)号:US07524996B2
公开(公告)日:2009-04-28
申请号:US12065815
申请日:2006-08-23
CPC分类号: C07C29/172 , C07C29/17 , C07C29/76 , C07C33/035 , C07C31/207 , C07C33/046
摘要: The present invention relates to a process for purifying 1,4-butynediol, which comprises processing 1,4-butynediol in a dynamic mixing apparatus in an inert gas atmosphere at from 25 to 150° C. at a shear rate in the radial gap between rotor and stator of the mixing apparatus of more than 100 000 sec−1, awaiting phase separation at temperatures of from 25 to 150° C. and separating off the bottom phase, and a process for the hydrogenation of 1,4-butynediol to 1,4-butenediol and 1,4-butanediol using the purified 1,4-butynediol.
摘要翻译: 本发明涉及纯化1,4-丁炔二醇的方法,该方法包括在惰性气体气氛中在25至150℃下以动态混合装置处理1,4-丁炔二醇,其剪切速率为 混合装置的转子和定子超过100 000秒-1,等待25至150℃的相分离和分离底相,以及将1,4-丁炔二醇氢化成1 ,4-丁烯二醇和1,4-丁二醇,使用纯化的1,4-丁炔二醇。
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公开(公告)号:US07538254B2
公开(公告)日:2009-05-26
申请号:US12065311
申请日:2006-08-23
CPC分类号: C07C29/76 , C07C29/17 , C07C29/172 , C07C33/046 , C07C33/035 , C07C31/207
摘要: The present invention relates to a process for purifying 1,4-butynediol, which comprises compressing 1,4-butynediol to from 50 to 1500 bar, depressurizing it, waiting for phase separation to occur after depressurization and separating off the bottom phase, and a process for the hydrogenation of 1,4-butynediol to 1,4-butenediol and 1,4-butanediol using the purified 1,4-butynediol.
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9.
公开(公告)号:US20080221371A1
公开(公告)日:2008-09-11
申请号:US12065311
申请日:2006-08-23
CPC分类号: C07C29/76 , C07C29/17 , C07C29/172 , C07C33/046 , C07C33/035 , C07C31/207
摘要: The present invention relates to a process for purifying 1,4-butynediol, which comprises compressing 1,4-butynediol to from 50 to 1500 bar, depressurizing it, waiting for phase separation to occur after depressurization and separating off the bottom phase, and a process for the hydrogenation of 1,4-butynediol to 1,4-butenediol and 1,4-butanediol using the purified 1,4-butynediol.
摘要翻译: 本发明涉及一种纯化1,4-丁炔二醇的方法,其包括将1,4-丁炔二醇压缩至50至1500巴,对其进行减压,等待在减压和分离底相后发生相分离,以及 使用纯化的1,4-丁炔二醇将1,4-丁炔二醇氢化成1,4-丁烯二醇和1,4-丁二醇的方法。
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10.
公开(公告)号:US20090137849A1
公开(公告)日:2009-05-28
申请号:US12360278
申请日:2009-01-27
IPC分类号: C07C29/17
CPC分类号: C07C29/172 , C07C29/17 , C07C29/76 , C07C33/035 , C07C31/207 , C07C33/046
摘要: The present invention relates to processes for making 1,4-butanediol, 1,4-butenediol, or a mixture thereof by processing 1,4-butynediol in a dynamic mixing apparatus in an inert gas atmosphere at from 25 to 150° C. at a shear rate in the radial gap between rotor and stator of the mixing apparatus of more than 100 000 sec−1; phase separating the processed 1,4-butynediol at a temperature of from 25 to 150° C.; removing a bottom phase to obtain purified 1,4-butynediol; and reacting the purified 1,4-butynediol with hydrogen in the presence of a catalyst.
摘要翻译: 本发明涉及通过在惰性气体气氛中在25至150℃下在动态混合装置中处理1,4-丁炔二醇来制备1,4-丁二醇,1,4-丁烯二醇或其混合物的方法。 混合装置的转子和定子之间的径向间隙的剪切速率大于100 000sec -1; 在25至150℃的温度下分离加工的1,4-丁炔二醇。 除去底相以获得纯化的1,4-丁炔二醇; 并在催化剂存在下使纯化的1,4-丁炔二醇与氢反应。
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