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12 条记录 (耗时 0.032 秒)

    Method for producing α-hydroxycarboxylate
    1.
    发明授权
    Method for producing α-hydroxycarboxylate 有权
    α-羟基羧酸盐的制备方法

    公开(公告)号：US07122698B2

    公开(公告)日：2006-10-17

    申请号：US10680919

    申请日：2003-10-08

    申请人： Hiroshi Yoshida ,  Hideaki Tsuneki ,  Toshio Hayashi ,  Hideyuki Baba ,  Takahiro Inagaki ,  Satoshi Nakagawa ,  Yukihiko Kakimoto ,  Ritsuo Kitada ,  Kohei Umehara

    发明人： Hiroshi Yoshida ,  Hideaki Tsuneki ,  Toshio Hayashi ,  Hideyuki Baba ,  Takahiro Inagaki ,  Satoshi Nakagawa ,  Yukihiko Kakimoto ,  Ritsuo Kitada ,  Kohei Umehara

    IPC分类号： C07C69/66

    CPC分类号： C07C67/40 ,  C07C69/675

    摘要： The present invention provides a process for more efficiently producing an α-hydroxycarboxylic acid ester wherein side reactions due to the α-hydroxycarboxylic acid ester are inhibited or prevented in comparison with prior art production processes.The invention provides a process for producing an α-hydroxycarboxylic acid ester comprising Steps 1 to 3:Step 1. reacting, in the presence of oxygen, (i) a 1,2-diol with a 1,2-diol or (ii) a 1,2-diol with an alcohol to obtain a reaction product containing an α-hydroxycarboxylic acid ester;Step 2. separating the α-hydroxycarboxylic acid ester from the reaction product obtained in Step 1 by distillation under reduced pressure; andStep 3. feeding Step 1 with a mixture obtained by partially or entirely removing water from the reaction product, wherein the mixture contains an unreacted 1,2-diol and/or alcohol.

    摘要翻译： 本发明提供了一种更有效地制备α-羟基羧酸酯的方法，其中与现有技术的制备方法相比，由于α-羟基羧酸酯的副反应被抑制或被阻止。 本发明提供了一种制备α-羟基羧酸酯的方法，其包括步骤1至3：步骤1，在氧的存在下，（i）1,2-二醇与1,2-二醇或（ii） 具有醇的1,2-二醇以获得含有α-羟基羧酸酯的反应产物; 步骤2.通过减压蒸馏从步骤1中获得的反应产物中分离α-羟基羧酸酯; 和步骤3.向通过部分或全部从反应产物中除去水而获得的混合物进料步骤1，其中混合物含有未反应的1,2-二醇和/或醇。

    Method for producing alpha - hydroxycarboxylate
    2.
    发明申请
    Method for producing alpha - hydroxycarboxylate 有权
    α-羟基羧酸盐的制备方法

    公开(公告)号：US20050090686A1

    公开(公告)日：2005-04-28

    申请号：US10680919

    申请日：2003-10-08

    申请人： Hiroshi Yoshida ,  Hideaki Tsuneki ,  Toshio Hayashi ,  Hideyuki Baba ,  Takahiro Inagaki ,  Satoshi Nakagawa ,  Yukihiko Kakimoto ,  Ritsuo Kitada ,  Kohei Umehara

    发明人： Hiroshi Yoshida ,  Hideaki Tsuneki ,  Toshio Hayashi ,  Hideyuki Baba ,  Takahiro Inagaki ,  Satoshi Nakagawa ,  Yukihiko Kakimoto ,  Ritsuo Kitada ,  Kohei Umehara

    IPC分类号： C07C67/40 ,  C07C69/66

    CPC分类号： C07C67/40 ,  C07C69/675

    摘要： The present invention provides a process for more efficiently producing an α-hydroxycarboxylic acid ester wherein side reactions due to the α-hydroxycarboxylic acid ester are inhibited or prevented in comparison with prior art production processes. The invention provides a process for producing an α-hydroxycarboxylic acid ester comprising Steps 1 to 3: Step 1. reacting, in the presence of oxygen, (i) a 1,2-diol with a 1,2-diol or (ii) a 1,2-diol with an alcohol to obtain a reaction product containing an α-hydroxycarboxylic acid ester; Step 2. separating the α-hydroxycarboxylic acid ester from the reaction product obtained in Step 1 by distillation under reduced pressure; and Step 3. feeding Step 1 with a mixture obtained by partially or entirely removing water from the reaction product, wherein the mixture contains an unreacted 1,2-diol and/or alcohol.

    摘要翻译： 本发明提供了一种更有效地制备α-羟基羧酸酯的方法，其中与现有技术的制备方法相比，由于α-羟基羧酸酯的副反应被抑制或被阻止。 本发明提供了一种制备α-羟基羧酸酯的方法，其包括步骤1至3：步骤1，在氧的存在下，（i）1,2-二醇与1,2-二醇或（ii） 具有醇的1,2-二醇以获得含有α-羟基羧酸酯的反应产物; 步骤2.通过减压蒸馏从步骤1中获得的反应产物中分离α-羟基羧酸酯; 和步骤3.向通过部分或全部从反应产物中除去水而获得的混合物进料步骤1，其中混合物含有未反应的1,2-二醇和/或醇。

    Catalyst for the preparation of carboxylic esters and method for producing carboxylic esters
    3.
    发明授权
    Catalyst for the preparation of carboxylic esters and method for producing carboxylic esters 失效
    用于制备羧酸酯的催化剂和制备羧酸酯的方法

    公开(公告)号：US07326806B2

    公开(公告)日：2008-02-05

    申请号：US10162040

    申请日：2002-06-03

    申请人： Toshio Hayashi ,  Takahiro Inagaki

    发明人： Toshio Hayashi ,  Takahiro Inagaki

    IPC分类号： C07C67/00

    CPC分类号： B01J27/057 ,  B01J23/52 ,  B01J23/66 ,  B01J23/89 ,  B01J35/0013 ,  B01J35/002 ,  B01J35/006 ,  C07C67/39 ,  C07C67/40 ,  C07D313/04 ,  C07D319/12 ,  C07C69/78 ,  C07C69/54 ,  C07C69/716 ,  C07C69/593 ,  C07C69/675

    摘要： It is an object of the present invention to provide a catalyst for manufacturing a carboxylic ester, which has superior catalytic activity. The present invention relates to a catalyst for preparing a carboxylic ester, used in a) a reaction for preparing a carboxylic ester by reacting oxygen, an aldehyde, and an alcohol, or b) a reaction for manufacturing a carboxylic ester by reacting oxygen and one or more types of alcohol, comprising a carrier and 1) ultrafine gold particles and/or 2) ultrafine metal particles containing gold and a second element other than gold, having an average particle diameter of not more than 6 nm, are supported on the carrier.

    摘要翻译： 本发明的目的是提供一种具有优异催化活性的羧酸酯的制造用催化剂。 本发明涉及一种用于制备羧酸酯的催化剂，用于a）通过使氧，醛和醇反应制备羧酸酯的反应，或b）通过使氧和一氧化碳反应制备羧酸酯的反应 或更多类型的醇，其包含载体和1）超细金颗粒和/或2）具有平均粒径不大于6nm的金和金以外的第二元素的超细金属颗粒负载在载体上 。

    Catalyst for use in production of epoxide, method for producing the catalyst, and method for producing epoxide
    4.
    发明授权
    Catalyst for use in production of epoxide, method for producing the catalyst, and method for producing epoxide 失效
    用于生产环氧化物的催化剂，生产催化剂的方法，以及环氧化物的制备方法

    公开(公告)号：US06500967B2

    公开(公告)日：2002-12-31

    申请号：US09788573

    申请日：2001-02-21

    申请人： Toshio Hayashi ,  Masahiro Wada ,  Takahiro Inagaki

    发明人： Toshio Hayashi ,  Masahiro Wada ,  Takahiro Inagaki

    IPC分类号： C07D30110

    CPC分类号： C07D301/10 ,  B01J23/52

    摘要： To provide an epoxide-production-use catalyst that is suitably used for producing an epoxide by partial oxidation of an unsaturated hydrocarbon, a catalyst in accordance with the present invention is obtained by fixing gold fine particles to a carrier containing an oxide containing at least one of titanium and zirconium, and has an acid quantity of not more than 0.1 mmol/g determined by the NH3-TPD method. Such a catalyst for epoxide producing use can be produced by, for instance, fixing gold fine particles to a carrier having an acid quantity of not more than 0.15 mmol/g. The catalyst for epoxide producing use arranged as above is preferably used as a catalyst in partial oxidation of an unsaturated hydrocarbon to produce a corresponding epoxide.

    摘要翻译： 为了提供适合用于通过不饱和烃的部分氧化制备环氧化物的环氧化物生产用催化剂，根据本发明的催化剂是通过将金微粒固定到含有至少一种 的钛和锆，并且通过NH 3 -TPD法测定的酸量不超过0.1mmol / g。 这种用于环氧化物的催化剂可以通过例如将金微粒固定到酸量不大于0.15mmol / g的载体来制备。 如上所述排出的环氧化物生产用催化剂优选用作不饱和烃的部分氧化中的催化剂，以产生相应的环氧化物。

    MONOSACCHARIDE PREPARATION METHOD
    9.
    发明申请
    MONOSACCHARIDE PREPARATION METHOD 审中-公开

    公开(公告)号：US20110207922A1

    公开(公告)日：2011-08-25

    申请号：US13121076

    申请日：2009-09-28

    申请人： Takafumi Kubo ,  Takahiro Inagaki ,  Izuho Okada

    发明人： Takafumi Kubo ,  Takahiro Inagaki ,  Izuho Okada

    IPC分类号： C07H1/00 ,  C01G41/00

    CPC分类号： C13K1/02 ,  B01J31/10 ,  B01J31/4007 ,  C13K1/04

    摘要： An object of the present invention is to provide means for preparing a monosaccharide by efficiently hydrolyzing a polysaccharide. In particular, in a method that uses a homogeneous acid catalyst to obtain a monosaccharide from a polysaccharide, a low energy, low cost catalytic separation method is provided, and in addition, a method for obtaining high reaction selectivity is provided. In addition, provided is a homogeneous acid catalyst separation method that separates a homogeneous acid catalyst from a homogeneous acid catalyst-containing solution with high efficiency and realizes a high homogeneous acid catalyst recovery ratio at low energy costs, and that is applicable to a variety of reaction systems.The present invention is a method for preparing a monosaccharide by hydrolyzing a polysaccharide using a homogeneous acid catalyst, wherein the method comprises a hydrolysis step of hydrolyzing a polysaccharide using a homogeneous acid catalyst with a molecular weight of 200 or greater to generate a monosaccharide, and a separation step of the homogeneous acid catalyst after hydrolysis, and the separation step includes at least one step selected from the group consisting of the following (A) to (C): (A) a step of separating the homogeneous acid catalyst by performing homogeneous acid catalyst membrane separation treatment using a molecular sieve membrane, on a homogeneous acid catalyst-containing solution after the hydrolysis step; (B) a step of separating the homogeneous acid catalyst by performing organic compound thermal decomposition treatment on a hydrolysis reaction residue separated by solid-liquid separation after the hydrolysis step; and (C) a step of separating the homogeneous acid catalyst by performing homogeneous acid catalyst elution treatment using an alkaline solution or an organic solvent-containing solution, on the hydrolysis reaction residue separated by solid-liquid separation after the hydrolysis step.