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公开(公告)号:US08318985B2
公开(公告)日:2012-11-27
申请号:US12744110
申请日:2008-11-13
申请人: Gunnar Heydrich , Gabriele Gralla , Matthias Rauls , Joachim Schmidt-Leithoff , Klaus Ebel , Wolfgang Krause , Steffen Oehlenschläger , Christoph Jäkal , Marko Friedrich , Eike Johannes Bergner , Nawid Kashani-Shirazi , Rocco Paciello
发明人: Gunnar Heydrich , Gabriele Gralla , Matthias Rauls , Joachim Schmidt-Leithoff , Klaus Ebel , Wolfgang Krause , Steffen Oehlenschläger , Christoph Jäkal , Marko Friedrich , Eike Johannes Bergner , Nawid Kashani-Shirazi , Rocco Paciello
IPC分类号: C07C29/17
CPC分类号: C07C29/56 , C07B2200/07 , C07C29/172 , C07C29/78 , C07C45/62 , C07C45/82 , C07C2601/14 , C07C2601/16 , C07C47/21 , C07C35/12 , C07C35/17
摘要: The present invention relates to a particularly economic overall method for producing menthol, specifically for producing optically active, essentially enantiomerically and diastereomerically pure L-menthol and racemic menthol, starting from the starting material citral which is available inexpensively on an industrial scale. The method comprises the following stepsa) catalytic hydrogenation of neral and/or geranial to give citronellal,b) cyclization of citronellal to isopulegol in the presence of an acidic catalyst,c) purification of isopulegol by crystallization andd) catalytic hydrogenation of isopulegol to give menthol.
摘要翻译: 本发明涉及一种特别经济的制备薄荷醇的总体方法,特别用于制备光学活性的,基本上是对映异构体和非对映异构体纯的L-薄荷醇和外消旋薄荷醇,其原料柠檬醛以工业规模廉价地得到。 该方法包括以下步骤:a)在酸性催化剂存在下,通过催化氢化醛和/或香叶醇以产生香茅醛,b)在酸性催化剂的存在下将香茅醛环化成异葎草醇,c)通过结晶纯化异丙醇钾,和d)将异丙醇的催化氢化至 给薄荷脑
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公开(公告)号:US20100249467A1
公开(公告)日:2010-09-30
申请号:US12744110
申请日:2008-11-13
申请人: Gunnar Heydrich , Gabriele Gralla , Matthias Rauls , Joachim Schmidt-Leithoff , Klaus Ebel , Wolfgang Krause , Steffen Oehlenschläger , Christoph Jäkel , Marko Friedrich , Eike Johannes Bergner , Nawid Kashani-Shirazi , Rocco Paciello
发明人: Gunnar Heydrich , Gabriele Gralla , Matthias Rauls , Joachim Schmidt-Leithoff , Klaus Ebel , Wolfgang Krause , Steffen Oehlenschläger , Christoph Jäkel , Marko Friedrich , Eike Johannes Bergner , Nawid Kashani-Shirazi , Rocco Paciello
IPC分类号: C07C35/12
CPC分类号: C07C29/56 , C07B2200/07 , C07C29/172 , C07C29/78 , C07C45/62 , C07C45/82 , C07C2601/14 , C07C2601/16 , C07C47/21 , C07C35/12 , C07C35/17
摘要: The present invention relates to a particularly economic overall method for producing menthol, specifically for producing optically active, essentially enantiomerically and diastereomerically pure L-menthol and racemic menthol, starting from the starting material citral which is available inexpensively on an industrial scale. The method comprises the following stepsa.1) catalytic hydrogenation of neral and/or geranial to give citronellal, b.1) cyclization of citronellal to isopulegol in the presence of an acidic catalyst, c.1) purification of isopulegol by crystallization and d.1) catalytic hydrogenation of isopulegol to give menthol.
摘要翻译: 本发明涉及一种特别经济的制备薄荷醇的总体方法,特别用于制备光学活性的,基本上是对映异构体和非对映异构体纯的L-薄荷醇和外消旋薄荷醇,其原料柠檬醛以工业规模廉价地得到。 该方法包括以下步骤a.1)在酸性催化剂的存在下,将柠檬醛和/或香叶醇进行催化氢化以产生香茅醛,b.1)将香茅醛环化成异胡仑醇,c.1)通过结晶和d进行异丙醇的纯化 .1)异丙醇的催化氢化得到薄荷醇。
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公开(公告)号:US20130046118A1
公开(公告)日:2013-02-21
申请号:US13658003
申请日:2012-10-23
申请人: Gunnar Heydrich , Gabriele Gralla , Matthias Rauls , Joachim Schmidt-Leithoff , Klaus Ebel , Wolfgang Krause , Steffen Oehlenschläger , Christoph Jäkel , Marko Friedrich , Eike Johannes Bergner , Nawid Kashani-Shirazi , Rocco Paciello
发明人: Gunnar Heydrich , Gabriele Gralla , Matthias Rauls , Joachim Schmidt-Leithoff , Klaus Ebel , Wolfgang Krause , Steffen Oehlenschläger , Christoph Jäkel , Marko Friedrich , Eike Johannes Bergner , Nawid Kashani-Shirazi , Rocco Paciello
IPC分类号: C07C29/17
CPC分类号: C07C29/56 , C07B2200/07 , C07C29/172 , C07C29/78 , C07C45/62 , C07C45/82 , C07C2601/14 , C07C2601/16 , C07C47/21 , C07C35/12 , C07C35/17
摘要: The present invention relates to a particularly economic overall method for producing menthol, specifically for producing optically active, essentially enantiomerically and diastereomerically pure L-menthol and racemic menthol, starting from the starting material citral which is available inexpensively on an industrial scale. The method comprises the following steps a.1) catalytic hydrogenation of neral and/or geranial to give citronellal, b.1) cyclization of citronellal to isopulegol in the presence of an acidic catalyst, c.1) purification of isopulegol by crystallization and d.1) catalytic hydrogenation of isopulegol to give menthol.
摘要翻译: 本发明涉及一种特别经济的制备薄荷醇的总体方法,特别用于制备光学活性的,基本上是对映异构体和非对映异构体纯的L-薄荷醇和外消旋薄荷醇,其原料柠檬醛以工业规模廉价地得到。 该方法包括以下步骤a.1)在酸性催化剂的存在下,将柠檬醛和/或香叶醇进行催化氢化以产生香茅醛,b.1)将香茅醛环化成异胡仑醇,c.1)通过结晶和d进行异丙醇的纯化 .1)异丙醇的催化氢化得到薄荷醇。
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4.
公开(公告)号:US20110137097A1
公开(公告)日:2011-06-09
申请号:US12961281
申请日:2010-12-06
申请人: STEFFEN TSCHIRSCHWITZ , Stephan Deuerlein , Jochen Bürkle , Markus Schmitt , Michael Schreiber , Steffen Oehlenschläger
发明人: STEFFEN TSCHIRSCHWITZ , Stephan Deuerlein , Jochen Bürkle , Markus Schmitt , Michael Schreiber , Steffen Oehlenschläger
IPC分类号: C07C5/29
CPC分类号: C07C5/29 , C07C2523/72 , C07C2527/126 , C07C2531/02 , C07C13/18
摘要: A process for isomerizing a saturated, branched and cyclic hydrocarbon, in which a tertiary carbon atom of the hydrocarbon is converted to a secondary carbon atom in the course of isomerization, by performing the isomerization in the presence of a superacidic ionic liquid comprising an organic cation and an inorganic anion, where the anion is a superacidic aluminum trichloride-Lewis base adduct, and of a copper(II) compound.
摘要翻译: 一种使异构化过程中烃的叔碳原子转化为仲碳原子的饱和,支链和环状烃的异构化方法,该方法是在含有有机阳离子的超酸离子液体存在下进行异构化 和无机阴离子,其中阴离子是超酸性三氯化铝 - 路易斯碱加合物和铜(II)化合物。
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公开(公告)号:US07939027B2
公开(公告)日:2011-05-10
申请号:US12683015
申请日:2010-01-06
申请人: Martin Ernst , Steffen Oehlenschläger , Frank Kuhnke , Karl-Heinz Roβ , Roland Deeg , Johann-Peter Melder
发明人: Martin Ernst , Steffen Oehlenschläger , Frank Kuhnke , Karl-Heinz Roβ , Roland Deeg , Johann-Peter Melder
IPC分类号: B01J10/00 , C07C209/00 , B01J35/02 , B01J19/00 , B01J8/00
CPC分类号: C07C209/48 , B01J2219/00006 , C07C253/30 , C07C211/11 , C07C255/24
摘要: The present invention relates to a process for the industrial preparation of a diamine starting from a corresponding alkenyl nitrile comprising at least one C—C double bond, which comprises the steps (a) reaction of the alkenyl nitrile with a corresponding monoamine in a first reactor so that the monoamine adds exothermically onto the at least one double bond to form an aminoalkyl nitrile, with the monoamine and water being charged initially and the alkenyl nitrile being fed in; (b) evaporation of unreacted alkenyl nitrile and monoamine to increase the concentration of the aminoalkyl nitrile product in the bottoms of the first reactor; (c) transfer of the aminoalkyl nitrile bottom product from step (b) to a second reactor; (d) batchwise catalytic hydrogenation of the aminoalkyl nitrile transferred in step (c) to the diamine in the second reactor, with each batch being obtained by initially charging a catalyst suitable for the hydrogenation of nitriles to amines and also water, the desired diamine and a base, introducing hydrogen into the second reactor and feeding in the aminoalkyl nitrile transferred in step (c); and (e) isolation of the diamine and, if appropriate, repetition of the steps (a) to (e). The invention further relates to an apparatus for preparing these diamines and the use of the apparatuses. A preferred diamine is 3-dimethylaminopropylamine (DMAPA).
摘要翻译: 本发明涉及从包含至少一个C-C双键的相应链烯基腈开始工业制备二胺的方法,其包括步骤(a)在第一反应器中烯基腈与相应的单胺反应 使得单胺在至少一个双键上放热添加以形成氨基烷基腈,最初加入单胺和水,并加入链烯基腈; (b)蒸发未反应的烯基腈和单胺以增加第一反应器底部氨基烷基腈产物的浓度; (c)将氨基烷基腈底部产物从步骤(b)转移至第二反应器; (d)将步骤(c)中转移的氨基烷基腈分批催化氢化为第二反应器中的二胺,每个批次通过首先将适合于将腈氢化成的催化剂加入到胺中而得到,并且还需要水,所需的二胺和 碱,将氢气引入第二反应器并进料步骤(c)中转移的氨基烷基腈; 和(e)分离二胺,如果合适,重复步骤(a)至(e)。 本发明还涉及一种用于制备这些二胺的装置和该装置的用途。 优选的二胺是3-二甲基氨基丙胺(DMAPA)。
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公开(公告)号:US20110087038A1
公开(公告)日:2011-04-14
申请号:US12674058
申请日:2008-08-01
申请人: Joaquim H Teles , Kai Gumlich , Jochen Schäfer , Steffen Oehlenschläger , Stephan Lamm , Roland Merten , Martin Schäfer , Rüdiger Grob , Uwe Emnet
发明人: Joaquim H Teles , Kai Gumlich , Jochen Schäfer , Steffen Oehlenschläger , Stephan Lamm , Roland Merten , Martin Schäfer , Rüdiger Grob , Uwe Emnet
IPC分类号: C07C51/235 , B01J19/00
CPC分类号: C07C51/235 , C07C53/124 , C07C53/128 , C07C53/122 , C07C53/126
摘要: The invention relates to a process for the oxidation of organic compounds by means of oxygen, in which, in a first step, the organic compound and at least part of the oxygen required for the oxidation are introduced into a first reaction zone which is operated isothermally and with backmixing and, in a second step, the reaction mixture from the first reaction zone is introduced into a second reaction zone which is operated adiabatically. The invention further relates to a reactor for carrying out the process, which comprises at least one isothermal reaction zone (3, 5) and an adiabatic reaction zone (7) which are arranged in a reactor shell (8), with each isothermal reaction zone (3, 5) being configured in the form of a jet loop reactor and the adiabatic reaction zone (7) being configured as a bubble column.
摘要翻译: 本发明涉及通过氧气氧化有机化合物的方法,其中在第一步骤中,将有机化合物和氧化所需的至少一部分氧气引入到等温运行的第一反应区中 并且通过回混,并且在第二步中将来自第一反应区的反应混合物引入绝热操作的第二反应区。 本发明还涉及一种用于进行该方法的反应器,该反应器包括布置在反应器壳体(8)中的至少一个等温反应区(3,5)和绝热反应区(7),每个等温反应区 (3,5)被配置为喷射回路反应器的形式,并且绝热反应区(7)被配置为气泡塔。
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公开(公告)号:US08575379B2
公开(公告)日:2013-11-05
申请号:US12674058
申请日:2008-08-01
申请人: Joaquim Henrique Teles , Kai Gumlich , Jochen Schäfer , Steffen Oehlenschläger , Stephan Lamm , Roland Merten , Martin Schäfer , Rüdiger Grob , Uwe Emnet
发明人: Joaquim Henrique Teles , Kai Gumlich , Jochen Schäfer , Steffen Oehlenschläger , Stephan Lamm , Roland Merten , Martin Schäfer , Rüdiger Grob , Uwe Emnet
CPC分类号: C07C51/235 , C07C53/124 , C07C53/128 , C07C53/122 , C07C53/126
摘要: The invention relates to a process for the oxidation of organic compounds by means of oxygen, in which, in a first step, the organic compound and at least part of the oxygen required for the oxidation are introduced into a first reaction zone which is operated isothermally and with backmixing and, in a second step, the reaction mixture from the first reaction zone is introduced into a second reaction zone which is operated adiabatically. The invention further relates to a reactor for carrying out the process, which comprises at least one isothermal reaction zone (3, 5) and an adiabatic reaction zone (7) which are arranged in a reactor shell (8), with each isothermal reaction zone (3, 5) being configured in the form of a jet loop reactor and the adiabatic reaction zone (7) being configured as a bubble column.
摘要翻译: 本发明涉及通过氧气氧化有机化合物的方法,其中在第一步骤中,将有机化合物和氧化所需的至少一部分氧气引入到等温运行的第一反应区中 并且通过回混,并且在第二步中将来自第一反应区的反应混合物引入绝热操作的第二反应区。 本发明还涉及一种用于进行该方法的反应器,该反应器包括布置在反应器壳体(8)中的至少一个等温反应区(3,5)和绝热反应区(7),每个等温反应区 (3,5)被配置为喷射回路反应器的形式,并且绝热反应区(7)被配置为气泡塔。
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8.
公开(公告)号:US08410327B2
公开(公告)日:2013-04-02
申请号:US12961281
申请日:2010-12-06
申请人: Steffen Tschirschwitz , Stephan Deuerlein , Jochen Bürkle , Markus Schmitt , Michael Schreiber , Steffen Oehlenschläger
发明人: Steffen Tschirschwitz , Stephan Deuerlein , Jochen Bürkle , Markus Schmitt , Michael Schreiber , Steffen Oehlenschläger
IPC分类号: C07C2/42
CPC分类号: C07C5/29 , C07C2523/72 , C07C2527/126 , C07C2531/02 , C07C13/18
摘要: A process for isomerizing a saturated, branched and cyclic hydrocarbon, in which a tertiary carbon atom of the hydrocarbon is converted to a secondary carbon atom in the course of isomerization, by performing the isomerization in the presence of a superacidic ionic liquid comprising an organic cation and an inorganic anion, where the anion is a superacidic aluminum trichloride-Lewis base adduct, and of a copper(II) compound.
摘要翻译: 一种使异构化过程中烃的叔碳原子转化为仲碳原子的饱和,支链和环状烃的异构化方法,该方法是在含有有机阳离子的超酸离子液体存在下进行异构化 和无机阴离子,其中阴离子是超酸性三氯化铝 - 路易斯碱加合物和铜(II)化合物。
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9.
公开(公告)号:US20110295039A1
公开(公告)日:2011-12-01
申请号:US13109399
申请日:2011-05-17
申请人: Andreas Raichle , Joana Coelho Tsou , Samuel Neto , Ulrich Penzel , Steffen Oehlenschläger , Michael Zöllinger , Holgar Braunsberg , Stefanie Haase , Johannes Büttner
发明人: Andreas Raichle , Joana Coelho Tsou , Samuel Neto , Ulrich Penzel , Steffen Oehlenschläger , Michael Zöllinger , Holgar Braunsberg , Stefanie Haase , Johannes Büttner
IPC分类号: C07C209/36
CPC分类号: C07C209/36 , C07C211/49
摘要: The invention relates to a process for the continuous preparation of toluenediamine by liquid-phase hydrogenation of dinitrotoluene by means of hydrogen in the presence of a suspended, nickel-comprising catalyst in a reactor with a product isolation unit downstream of the reactor to give a product output from the reactor comprising a liquid phase comprising toluenediamine and dinitrotoluene, in which the nickel-comprising catalyst is suspended, wherein the concentration of dinitrotoluene in the liquid phase of the product output from the reactor in the region between the reactor and the downstream product isolation unit is set to a value in the range from 1 to 200 ppm by weight, based on the total weight of the liquid phase of the product output from the reactor.
摘要翻译: 本发明涉及通过在反应器中的悬浮的含镍催化剂存在下,借助于氢气对二硝基甲苯进行液相氢化来连续制备甲苯二胺的方法,该反应器具有在反应器下游的产物隔离单元以产生产物 从包括甲苯二胺和二硝基甲苯的液相的反应器输出,其中悬浮有含镍催化剂,其中在反应器和下游产物隔离区域之间从反应器输出的产物的液相中二硝基甲苯的浓度 基于从反应器输出的产物的液相的总重量,单位设定在1至200重量ppm的范围内的值。
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公开(公告)号:US20110137077A1
公开(公告)日:2011-06-09
申请号:US12674466
申请日:2008-08-18
申请人: Joaquim H. Teles , Steffen Oehlenschläger , Kai Gumlich , Martin Schäfer , Stephan Lamm , Stefan Berg , Michael Nilles , Hans-Peter Schildberg , Tilo John , Peter Zehner
发明人: Joaquim H. Teles , Steffen Oehlenschläger , Kai Gumlich , Martin Schäfer , Stephan Lamm , Stefan Berg , Michael Nilles , Hans-Peter Schildberg , Tilo John , Peter Zehner
IPC分类号: C07C51/235 , B01J8/04
CPC分类号: C07C51/235 , Y02P20/582 , C07C53/126 , C07C53/122
摘要: The invention relates to a process for oxidizing at least one organic substance with oxygen, which comprises the following steps: (a) adding the at least one organic substance as a liquid and an oxygenous gas stream to a first reaction stage to form a reaction mixture, at least some of the oxygen reacting with the organic compound to form a reaction product, (b) adding the reaction mixture from the first reaction stage to an adiabatically operated reaction stage in which the unconverted organic substance reacts further at least partly to give the product. The invention further relates to an apparatus for performing the process.
摘要翻译: 本发明涉及用氧氧化至少一种有机物质的方法,其包括以下步骤:(a)将至少一种有机物质作为液体和含氧气流加入到第一反应阶段以形成反应混合物 ,至少一些氧与有机化合物反应以形成反应产物,(b)将反应混合物从第一反应阶段加入至绝热操作的反应阶段,其中未转化的有机物质至少部分地进一步反应,得到 产品。 本发明还涉及一种用于执行该过程的装置。
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