公开(公告)号：US5648531A

公开(公告)日：1997-07-15

申请号：US406896

申请日：1995-03-22

申请人： Yoshiaki Morimoto ,  Hiroto Tanigawa ,  Kazuyuki Akita

发明人： Yoshiaki Morimoto ,  Hiroto Tanigawa ,  Kazuyuki Akita

IPC分类号： C07C51/12 ,  C07C51/44 ,  C07C51/56 ,  C07C51/573 ,  C07C51/54

CPC分类号： C07C51/56 ,  C07C51/12 ,  C07C51/44 ,  C07C51/573

摘要： A process for continuously producing acetic anhydride alone or acetic anhydride and acetic acid by reacting methyl acetate and/or dimethyl ether and, optionally, water and/or methanol, with carbon monoxide alone or carbon monoxide and hydrogen in the presence of a rhodium compound and methyl iodide as principal catalysts. Trace impurities causative of tar formation are distilled and separated in an evaporator and/or a subsequent refining step to remove the same. The removal of the trace impurities causative of tar formation serves to decrease the amount of tar formed as an impurity.

摘要翻译： PCT No.PCT / JP94 / 01354 Sec。 371日期：1995年3月22日 102（e）1995年3月22日PCT PCT 1994年8月16日PCT公布。 公开号WO95 / 05356 日期1995年2月23日一种通过使乙酸甲酯和/或二甲醚以及任选的水和/或甲醇与单独的一氧化碳或一氧化碳和氢气在任何情况下反应，连续生产乙酸酐或乙酸酐和乙酸的方法 的铑化合物和甲基碘作为主要催化剂。 在蒸发器和/或随后的精制步骤中蒸馏并分离引起焦油形成的微量杂质，以除去它们。 去除引起焦油形成的痕量杂质有助于减少作为杂质形成的焦油的量。

公开(公告)号：US5232884A

公开(公告)日：1993-08-03

申请号：US906473

申请日：1992-06-30

申请人： Hiroto Tanigawa

发明人： Hiroto Tanigawa

IPC分类号： B01J31/02 ,  B01J31/04 ,  B01J38/00 ,  C07B61/00 ,  C07C68/00 ,  C07C69/96

CPC分类号： C07C68/005 ,  Y02P20/584

摘要： A process for producing a carbonic acid ester which comprises reacting an alcohol with carbon monoxide and oxygen in the presence of a catalyst comprising a compound of divalent copper is disclosed, wherein the catalyst deactivated as a result of the carbonic acid ester-producing reaction is regenerated by subjecting a reaction mixture or a concentrate thereof containing the deactivated catalyst to water-replacement treatment, followed by heat treatment and weak-acid treatment.

公开(公告)号：US20080045729A1

公开(公告)日：2008-02-21

申请号：US11792782

申请日：2005-12-27

申请人： Hideyuki Takai ,  Hiroto Tanigawa ,  Katsuya Maruo

发明人： Hideyuki Takai ,  Hiroto Tanigawa ,  Katsuya Maruo

IPC分类号： C07D303/04 ,  C07D301/14

CPC分类号： C07D303/04

摘要： A high-purity cycloaliphatic diepoxy compound of General Formula (II) is an epoxidized product of a cycloaliphatic diolefinic compound of General Formula (I) having an isomer content as detected in gas chromatography (GC) of 15% or less: wherein X represents a bivalent group selected from the group consisting of, for example, O, S, —SO—, —SO2—, —CH2—, and —C(CH3)2—; and R1 to R18 may be the same as or different from each other and each represent hydrogen atom, a halogen atom, a hydrocarbon group which may contain oxygen atom or a halogen atom, or an alkoxy group which may be substituted. Such a high-purity cycloaliphatic diepoxy compound is prepared by producing the cycloaliphatic diolefinic compound through distillation, epoxidizing the compound with an aliphatic percarboxylic acid containing substantially no water, carrying out desolvation, and further purifying the epoxidized compound through distillation.

摘要翻译： 通式（II）的高纯度脂环族二环氧化合物是通式（I）的脂环族二烯烃化合物的环氧化产物，其具有在气相色谱（GC）中检测到的异构体含量为15％以下：其中X表示 选自例如O，S，-SO-，-SO 2 - ， - CH 2 - 和-C（CH 3） 2→3 R 1〜R 18可以相同或不同，表示氢原子，卤素原子，可含有氧原子的烃基或 卤素原子或可被取代的烷氧基。 这样的高纯度脂环族二环氧化合物是通过蒸馏生产环脂族二烯化合物，通过用基本上不含水的脂肪族过羧酸进行脱氧，进行去溶剂化，并通过蒸馏进一步纯化环氧化合物来制备的。

公开(公告)号：US06610638B1

公开(公告)日：2003-08-26

申请号：US09701663

申请日：2000-11-30

申请人： Hiroto Tanigawa ,  Hiroto Miyake ,  Hiroshi Koyama ,  Akihiko Fujita ,  Katsuya Maruo

发明人： Hiroto Tanigawa ,  Hiroto Miyake ,  Hiroshi Koyama ,  Akihiko Fujita ,  Katsuya Maruo

IPC分类号： C07C4500

CPC分类号： G03F7/422 ,  C07C43/13 ,  C07C45/71 ,  G03F7/0048 ,  G03F7/322 ,  G03F7/325 ,  C07C47/19

摘要： The present invention No. I is to obtain a high purity 3-alkoxy-1-propanol having the content of alcoholic impurities of not more than 0.3% by weight by allowing to react acrolein with a linear or branched alcohol having a carbon number of 1-4 using acrolein having the content of propionaldehyde of not more than 1% by weight as a raw material, a 3-alkoxy-1-propanol is produced by a hydrogenation reaction using hydrogen of a reaction mass under the presence of a catalyst, followed by recovering through a distillation of the 3-alkoxy-1-propanol having the content of alcoholic impurities of not more than 0.3% by weight from a crude solution in the hydrogenation reaction.

摘要翻译： 本发明No.1是通过使丙烯醛与碳数为1的直链或支链醇反应，得到醇含量不超过0.3重量％的高纯度3-烷氧基-1-丙醇 -4使用丙醛含量不超过1重量％的丙烯醛作为原料，通过在催化剂存在下使用反应物料的氢气进行氢化反应制备3-烷氧基-1-丙醇，随后 通过在氢化反应中从粗溶液中蒸馏出醇含量不超过0.3重量％的3-烷氧基-1-丙醇。

公开(公告)号：US06482995B1

公开(公告)日：2002-11-19

申请号：US10160356

申请日：2002-05-30

申请人： Hiroto Tanigawa ,  Koichi Okumura ,  Masaya Uenoya ,  Kango Fujitani ,  Yoshihiro Kihara

发明人： Hiroto Tanigawa ,  Koichi Okumura ,  Masaya Uenoya ,  Kango Fujitani ,  Yoshihiro Kihara

IPC分类号： C07C3518

CPC分类号： C07C29/141 ,  C07C33/22

摘要： An alicyclic unsaturated alcohol (for example, tetrahydrobenzyl alcohol) having the purity of 99% by weight or more, the water content of 0.1% by weight or less and the acid value of 0.1 mg KOH/g or less can be produced, with high selectivity, by hydrogenating using an unsaturated cyclic aldehyde having the acid value of 10 mg KOH/g or less as a raw material; terminating the hydrogenation in the conversion of 70 to 99.8%; and rectifying the reaction product containing the unreacted unsaturated cyclic aldehyde. The high purity alicyclic unsaturated alcohol is useful as raw material chemicals for synthesizing drugs, agricultural chemicals, perfumes, and dyes etc.

摘要翻译： 可以制造纯度为99重量％以上，水分为0.1重量％以下，酸值为0.1mgKOH / g以下的脂环族不饱和醇（例如四氢苄醇），高 选择性，通过使用酸值为10mg KOH / g以下的不饱和环醛作为原料进行氢化; 终止氢化转化率为70〜99.8％; 并对含有未反应的不饱和环醛的反应产物进行精馏。 高纯度脂环族不饱和醇可用作合成药物，农药，香水和染料等的原料化学品。

公开(公告)号：US06384247B2

公开(公告)日：2002-05-07

申请号：US09881063

申请日：2001-06-15

申请人： Hiroto Tanigawa ,  Kenji Oka

发明人： Hiroto Tanigawa ,  Kenji Oka

IPC分类号： C07D31744

CPC分类号： C07D317/64

摘要： Heliotropin is oxidized with a percarboxylic acid in the presence of formic acid and an optionally added organic solvent, to thereby produce sesamol at high efficiency while suppressing by-production of heliotropic acid.

摘要翻译： 在甲酸和任选添加的有机溶剂的存在下，用过羧酸氧化促黄细胞素，从而以抑制副产物酸性酸的方式高效生产芝麻酚。

公开(公告)号：US5516735A

公开(公告)日：1996-05-14

申请号：US327330

申请日：1994-10-21

申请人： Hiroto Tanigawa

发明人： Hiroto Tanigawa

IPC分类号： B01J27/32 ,  B01J27/13 ,  B01J31/40 ,  C07B61/00 ,  C07C51/12 ,  C07C51/56 ,  C07C51/573 ,  C07C53/12 ,  B01J20/34

CPC分类号： C07C51/56 ,  B01J31/0212 ,  B01J31/0231 ,  B01J31/04 ,  B01J31/1805 ,  B01J31/20 ,  B01J31/2234 ,  B01J31/2404 ,  B01J31/26 ,  B01J31/4046 ,  C07C51/12 ,  C07C51/573 ,  B01J2531/31 ,  B01J2531/822 ,  B01J27/08 ,  B01J31/146 ,  Y02P20/584

摘要： A concentrated catalyst solution provided in the carbonylation reaction in which methyl acetate or dimethyl ether is chemically bonded with carbon monoxide in the presence of a catalyst system comprising a rhodium compound and an alkali metal iodide to produce acetic anhydride is subjected to a carbonylation treatment with carbon monoxide or a mixture of carbon monoxide and hydrogen before it is applied to a process for separating the tar contained in the catalyst solution, thereby increasing the iodide ion content of the catalyst solution, thus enabling the rhodium compound to be stabilized.When the concentration of the iodide ion in the concentrated catalyst solution is increased by this method, there is no possibility of the balances between the rhodium concentration and, the alkali metal concentration and the iodine concentration of the carbonylation reaction system being disturbed even when the catalyst solution as reprocessed is returned to the carbonylation reaction system. Further, the increase in the iodide ion concentration of the concentrated catalyst solution enables the rhodium compound contained in the concentrated catalyst solution to be stabilized, which prevents the rhodium compound from settling from the catalyst solution even during the heat treatment conducted for the purpose of removing components each having a low-boiling point contained in the catalyst solution before the process for separating and removing tar from the concentrated catalyst solution, so that the loss of the very expensive rhodium compound can be minimized.

摘要翻译： 在羰基化反应中提供的浓缩催化剂溶液中，其中乙酸甲酯或二甲醚在包含铑化合物和碱金属碘化物的催化剂体系存在下与一氧化碳结合以制备乙酸酐进行羰基化处理 一氧化碳或一氧化碳和氢气的混合物，然后再用于分离催化剂溶液中所含的焦油的方法，从而增加催化剂溶液的碘离子含量，从而使铑化合物稳定。 当通过该方法增加浓缩催化剂溶液中的碘离子浓度时，即使催化剂中的铑浓度与羰基化反应体系的碱金属浓度和碘浓度之间也不会有平衡， 再次处理的溶液返回到羰基化反应体系。 此外，浓缩催化剂溶液的碘离子浓度的增加使得浓缩催化剂溶液中所含的铑化合物能够稳定，从而即使在为了除去目的进行的热处理中也可以使铑化合物从催化剂溶液中沉降 在浓缩催化剂溶液中分离除去焦油的方法之前，在催化剂溶液中含有低沸点的组分，从而可以使非常昂贵的铑化合物的损失最小化。

公开(公告)号：US07732627B2

公开(公告)日：2010-06-08

申请号：US11792782

申请日：2005-12-27

申请人： Hideyuki Takai ,  Hiroto Tanigawa ,  Katsuya Maruo

发明人： Hideyuki Takai ,  Hiroto Tanigawa ,  Katsuya Maruo

IPC分类号： C07D301/14

CPC分类号： C07D303/04

摘要： A high-purity cycloaliphatic diepoxy compound of General Formula (II) is an epoxidized product of a cycloaliphatic diolefinic compound of General Formula (I) having an isomer content as detected in gas chromatography (GC) of 15% or less: wherein X represents a bivalent group selected from the group consisting of, for example, O, S, —SO—, —SO2—, —CH2—, and —C(CH3)2—; and R1 to R18 may be the same as or different from each other and each represent hydrogen atom, a halogen atom, a hydrocarbon group which may contain oxygen atom or a halogen atom, or an alkoxy group which may be substituted. Such a high-purity cycloaliphatic diepoxy compound is prepared by producing the cycloaliphatic diolefinic compound through distillation, epoxidizing the compound with an aliphatic percarboxylic acid containing substantially no water, carrying out desolvation, and further purifying the epoxidized compound through distillation.

摘要翻译： 通式（II）的高纯度脂环族二环氧化合物是通式（I）的脂环族二烯烃化合物的环氧化产物，其具有在气相色谱（GC）中检测到的异构体含量为15％以下：其中X表示 选自例如O，S，-SO-，-SO 2 - ， - CH 2 - 和-C（CH 3）2 - 的二价基团; R 1〜R 18可以相同也可以不同，表示氢原子，卤原子，可以含有氧原子或卤素原子的烃基或可以被取代的烷氧基。 这样的高纯度脂环族二环氧化合物是通过蒸馏生产环脂族二烯化合物，通过用基本上不含水的脂肪族过羧酸进行脱氧，进行去溶剂化，并通过蒸馏进一步纯化环氧化合物来制备的。

公开(公告)号：US5385875A

公开(公告)日：1995-01-31

申请号：US184981

申请日：1994-01-24

申请人： Hiroto Tanigawa

发明人： Hiroto Tanigawa

IPC分类号： B01J27/32 ,  B01J27/13 ,  B01J31/40 ,  C07B61/00 ,  C07C51/12 ,  C07C51/56 ,  C07C51/573 ,  C07C53/12 ,  B01J38/68

CPC分类号： C07C51/56 ,  B01J31/0212 ,  B01J31/0231 ,  B01J31/04 ,  B01J31/1805 ,  B01J31/20 ,  B01J31/2234 ,  B01J31/2404 ,  B01J31/26 ,  B01J31/4046 ,  C07C51/12 ,  C07C51/573 ,  B01J2531/31 ,  B01J2531/822 ,  B01J27/08 ,  B01J31/146 ,  Y02P20/584

摘要： A concentrated catalyst solution used in a carbonylation reaction in which methyl acetate or dimethyl ether is chemically bonded with carbon monoxide in the presence of a catalyst system comprising a rhodium compound and an alkali metal iodide to produce acetic anhydride is subjected to a carbonylation treatment with carbon monoxide, or a mixture of carbon monoxide and hydrogen, before it is applied to a process for separating the tar contained in the catalyst solution, thereby increasing the iodide ion content of the catalyst solution and enabling the rhodium compound to be stabilized.The balances between the rhodium concentration, the alkali metal concentration and the iodine concentration of the carbonylation reaction system are not disturbed, even when the catalyst solution as reprocessed is returned to the carbonylation reaction system. Further, the increase in the iodide ion concentration of the concentrated catalyst solution enables the rhodium compound contained in the concentrated catalyst solution to be stabilized, and prevents the rhodium compound from settling from the catalyst solution, even during heat treatment conducted for the purpose of removing components having a low-boiling point contained in the catalyst solution before the process for separating and removing tar from the concentrated catalyst solution, so that the loss of the very expensive rhodium compound can be minimized.

摘要翻译： 在羰基化反应中使用的浓缩催化剂溶液，其中在包含铑化合物和碱金属碘化物的催化剂体系存在下，乙酸甲酯或二甲醚与一氧化碳化学键合以制备乙酸酐进行羰基化处理，用碳 一氧化碳或一氧化碳和氢气的混合物，然后再用于分离催化剂溶液中所含的焦油的方法，从而提高催化剂溶液的碘离子含量，并使铑化合物稳定。 即使当再加工的催化剂溶液返回羰基化反应体系时，铑浓度，碱金属浓度和羰基化反应体系的碘浓度之间的平衡也不会受到干扰。 此外，浓缩催化剂溶液的碘离子浓度的增加使得浓缩催化剂溶液中所含的铑化合物能够稳定，并且即使在为了除去目的进行热处理时也能够防止铑化合物从催化剂溶液中沉降 在浓缩催化剂溶液中分离除去焦油的方法之前，在催化剂溶液中含有低沸点的组分，从而可以使非常昂贵的铑化合物的损失最小化。