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公开(公告)号：US20090030235A1
公开(公告)日：2009-01-29
申请号：US12067372
申请日：2006-09-29
IPC分类号： C07C29/74 , C07C209/88
CPC分类号： C07C209/88 , C07B57/00 , C07B2200/07 , C07C29/88 , C07C213/10 , C07C2601/14 , C07C33/20 , C07C211/36 , C07C215/08
摘要： The present invention relates to a method for fractionating stereoisomeric compounds which have at least one alcohol and/or amino group.
摘要翻译： 本发明涉及分离具有至少一个醇和/或氨基的立体异构化合物的方法。
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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：US20080214877A1
公开(公告)日：2008-09-04
申请号：US12064731
申请日：2006-08-15
CPC分类号： C07C29/78 , B01D9/0013 , B01D9/0036 , B01D9/004 , C07B57/00 , C07B2200/07 , C07C29/172 , C07C2601/14 , C07C2601/16 , C07C35/17 , C07C35/12 , C07C35/08
摘要： The present invention relates to a process for preparing enriched isopulegol by crystallization from a melt comprising isopulegol. The invention relates specifically to a process for preparing enantiomerically enriched n-isopulegol proceeding from optically active isopulegol having a relatively low enantiomeric excess by crystallization from the melt. The invention further relates to a process for preparing menthol proceeding from enantiomerically and/or diastereomerically enriched n-isopulegol prepared by crystallization from the melt.
摘要翻译： 本发明涉及一种通过从包含异ule a醇的熔体中结晶而制备富集的异ule g醇的方法。 本发明具体涉及一种通过从熔体中结晶得到具有较低对映异构体过量的光学活性异胡酮醇制备对映异构体富集的异异径胶的方法。 本发明还涉及从通过从熔体结晶制备的对映异构体和/或非对映体富集的正异丙醇来制备薄荷醇的方法。
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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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公开(公告)号：US08414744B2
公开(公告)日：2013-04-09
申请号：US12677688
申请日：2008-07-23
IPC分类号： B01D3/14
CPC分类号： B01D3/141 , B01D3/14 , C07B2200/07 , C07C29/80 , C07C2601/14 , C07C35/12 , C07C35/17
摘要： The present invention relates to a continuous process for preparing racemic or optically active menthol in pure or enriched form by distillatively separating menthol from substance mixtures which comprise essentially menthol and diastereomers thereof. This distillatiive separation is performed in a dividing wall column with 50 to 300 theoretical plates and one or more side draw points at an absolute operating pressure of 5 to 500 mbar.
摘要翻译： 本发明涉及通过将薄荷醇与基本上含有薄荷醇和非对映异构体的物质混合物蒸馏分离来制备纯的或富集形式的外消旋或光学活性薄荷醇的连续方法。 该蒸馏分离在具有50至300个理论塔板和一个或多个侧向牵引点的分隔壁塔中进行，绝对操作压力为5至500毫巴。
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公开(公告)号：US20100193348A1
公开(公告)日：2010-08-05
申请号：US12666478
申请日：2008-06-09
IPC分类号： B01D3/14
摘要： The present invention relates to a continuous process for preparing neral (cis-citral) in pure or enriched form by distillatively separating neral from substance mixtures comprising essentially neral and geranial (trans-citral). This distillative separation is performed in a dividing wall column or in a connection of two distillation columns in the form of a thermal coupling.
摘要翻译： 本发明涉及通过从包含基本上和野生（反 - 柠檬醛）的物质混合物中蒸馏分离出来的来制备纯的或富集形式的盐酸（顺 - 柠檬醛）的连续方法。 这种蒸馏分离在分隔壁塔中或以热耦合形式的两个蒸馏塔的连接中进行。
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公开(公告)号：US08282793B2
公开(公告)日：2012-10-09
申请号：US12666478
申请日：2008-06-09
IPC分类号： B01D3/00
摘要： The present invention relates to a continuous process for preparing neral (cis-citral) in pure or enriched form by distillatively separating neral from substance mixtures comprising essentially neral and geranial (trans-citral). This distillative separation is performed in a dividing wall column or in a connection of two distillation columns in the form of a thermal coupling.
摘要翻译： 本发明涉及通过从包含基本上和野生（反 - 柠檬醛）的物质混合物中蒸馏分离出来的来制备纯的或富集形式的盐酸（顺 - 柠檬醛）的连续方法。 这种蒸馏分离在分隔壁塔中或以热耦合形式的两个蒸馏塔的连接中进行。
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9.发明授权公开(公告)号：US08119554B2
公开(公告)日：2012-02-21
申请号：US12681998
申请日：2008-09-26
申请人： Nawid Kashani-Shirazi , Veronika Wloka , Wolfgang Gerlinger , Andrea Schmidt , Kerstin Heinen , Wolfgang Kollenberg
发明人： Nawid Kashani-Shirazi , Veronika Wloka , Wolfgang Gerlinger , Andrea Schmidt , Kerstin Heinen , Wolfgang Kollenberg
IPC分类号： B01J31/00 , B01J21/00 , B28B1/00 , B28B3/00 , B28B5/00 , B29B17/00 , B29C63/00 , B29C65/00 , B29C69/00 , B29C71/00 , C04B33/32 , C04B33/36 , C04B35/64
CPC分类号： B01J8/067 , B01J19/2485 , B01J19/30 , B01J19/32 , B01J21/04 , B01J23/8973 , B01J35/026 , B01J35/04 , B01J37/0201 , B01J2219/30288 , B01J2219/30416 , B01J2219/30475 , B01J2219/3085 , B29C64/165 , B33Y70/00 , B33Y80/00 , C04B35/111 , C04B35/14 , C04B2235/6026 , C04B2235/606 , C04B2235/95 , Y10S502/524 , Y10S502/525
摘要： Shaped bodies having catalytic properties which can be obtained by a process comprising the steps: a) production of a shaped body by means of a powder-based rapid prototyping process, b) if appropriate, a heat treatment of the shaped body, c) if appropriate, application of at least one catalytically active component to the shaped body, d) if appropriate, a further heat treatment, where steps b), c) and/or d) can be carried out a number of times, are used as reactor internals in heterogeneously catalyzed chemical reactions.
摘要翻译： 具有催化性能的成形体可以通过包括以下步骤的方法获得：a）通过基于粉末的快速成型方法生产成形体，b）如果合适的话，对成形体进行热处理，c）如果 适当的，至少一种催化活性组分施加到成形体上，d）如果合适，进一步热处理，其中步骤b），c）和/或d）可以进行多次，用作反应器 内部异构催化化学反应。
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公开(公告)号：US20100160667A1
公开(公告)日：2010-06-24
申请号：US12376975
申请日：2007-08-07
CPC分类号： B01J31/10 , B01D3/009 , B01J31/08 , Y02P20/127
摘要： Processes comprising: (a) providing a shaped body having a surface and comprising a metal oxide, and impregnating the shaped body with a liquid comprising an unsaturated compound; (b) subjecting the impregnated shaped body to thermolysis under an inert gas atmosphere at a temperature of 250 to 400° C., such that at least 10% by weight of the unsaturated compound is thermalized to form a layer of a high molecular weight polyaromatic on at least a portion of the surface of the shaped body; and (c) reacting the shaped body with a reagent to functionalize the polyaromatic layer, wherein the shaped body has a smallest dimension in any spatial direction of at least 1 mm to provide a shaped catalyst body having ion- exchange properties; shaped catalyst bodies prepared thereby and uses therefor as catalysts.
摘要翻译： 方法包括：（a）提供具有表面并包含金属氧化物的成形体，并用包含不饱和化合物的液体浸渍成形体; （b）使浸渍的成形体在惰性气体气氛下在250-400℃的温度下进行热分解，使得至少10重量％的不饱和化合物被热化以形成高分子量多芳族化合物 在所述成形体的表面的至少一部分上; 和（c）使成形体与试剂官能化以使多芳族化合物官能化，其中成形体在任何空间方向上具有至少1mm的最小尺寸以提供具有离子交换性能的成形催化剂体; 由此制备的催化剂体作为催化剂。
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