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13 条记录 (耗时 0.013 秒)

    Selected cyclohexane -1,3-and -1,4-dicarboxylic acid esters
    1.
    发明授权
    Selected cyclohexane -1,3-and -1,4-dicarboxylic acid esters 有权
    选择的环己烷-1,3和-1,4-二羧酸酯

    公开(公告)号：US07208545B1

    公开(公告)日：2007-04-24

    申请号：US09959380

    申请日：2000-06-09

    申请人： Melanie Brunner ,  Lucien Thil ,  Boris Breitscheidel

    发明人： Melanie Brunner ,  Lucien Thil ,  Boris Breitscheidel

    IPC分类号： C08K5/12 ,  C07C69/74

    CPC分类号： C08K5/12 ,  B01J23/40 ,  B01J23/462 ,  B01J35/10 ,  C07C67/303 ,  C07C69/75

    摘要： Selected cyclohexane-1,3- and -1,4-dicarboxylic acid esters are described, as is their use as plasticizers in plastics and their preparation by hydrogenation of the corresponding isophthalic or terephthalic esters by bringing one or more of these isophthalic or terephthalic esters into contact with a hydrogen-containing gas in the presence of a catalyst which comprises, as active metal, at least one metal of the 8th transition group of the Periodic Table on its own or together with at least one metal of the 1st or 7th transition group of the Periodic Table, applied to a support, which comprises using a support having micropores.

    摘要翻译： 描述了选择的环己烷-1,3-和-1,4-二羧酸酯，它们在塑料中作为增塑剂的用途，以及通过使这些间苯二甲酸或对苯二甲酸酯中的一种或多种与对苯二甲酸或对苯二酸酯氢化制备 在催化剂存在下与含氢气体接触，该催化剂包含作为活性金属的元素周期表第8族过渡基团中的至少一种金属或与第一或第七转变体中的至少一种金属 包括使用具有微孔的载体的元素周期表。

    Method for preparing a catalyst and catalysts prepared accordingly
    3.
    发明授权
    Method for preparing a catalyst and catalysts prepared accordingly 失效
    制备相应的催化剂和催化剂的方法

    公开(公告)号：US06350714B1

    公开(公告)日：2002-02-26

    申请号：US09555603

    申请日：2000-05-31

    申请人： Arnd Böttcher ,  Jochem Henkelmann ,  Thomas Preiss ,  Melanie Brunner

    发明人： Arnd Böttcher ,  Jochem Henkelmann ,  Thomas Preiss ,  Melanie Brunner

    IPC分类号： B01J3100

    CPC分类号： B01J31/1616 ,  B01J31/2286 ,  B01J2231/346 ,  B01J2531/10 ,  B01J2531/16 ,  B01J2531/20 ,  C07C29/42 ,  C07C209/60 ,  C07C213/00 ,  C07C211/23 ,  C07C215/24 ,  C07C33/042 ,  C07C33/046

    摘要： The present invention relates to a process for preparing a catalyst by activating a catalytic composition which comprises a) at least one metal of group IB or IIB or a compound thereof, b) where appropriate a carrier which comprises treating the composition with an alkyne of the general formula I R1—C≡C—R2  (I) in which R1 is alkyl, cycloalkyl, aryl, hydroxyalkyl, haloalkyl, alkoxy or alkoxyalkyl, R2 is a hydrogen atom, alkyl, cycloalkyl or aryl, and a carbonyl compound of the general formula II in which R3 and R4 are, independently of one another, a hydrogen atom, alkyl, haloalkyl, cycloalkyl or aryl, to catalysts obtainable by this process, and to alkynylations and aminoalkylations employing these catalysts.

    摘要翻译： 本发明涉及通过活化催化组合物来制备催化剂的方法，所述催化组合物包含：a）至少一种IB或IIB族金属或其化合物，b）适当的载体包括用通式 其中R 1是烷基，环烷基，芳基，羟烷基，卤代烷基，烷氧基或烷氧基烷基，R 2是氢原子，烷基，环烷基或芳基，和通式IIin的羰基化合物，其中R 3和R 4彼此独立地是氢 原子，烷基，卤代烷基，环烷基或芳基，可通过该方法获得的催化剂，以及使用这些催化剂的炔基化和氨基烷基化。

    Process for the preparation of &agr;-diketones from ketols or ketals from ketols
    4.
    发明授权
    Process for the preparation of &agr;-diketones from ketols or ketals from ketols 失效
    从酮基酮或酮缩酮制备α-二酮的方法

    公开(公告)号：US06316676B1

    公开(公告)日：2001-11-13

    申请号：US09794075

    申请日：2001-02-28

    申请人： Werner Aquila ,  Jörg Botzem ,  Melanie Brunner ,  Hartwig Fuchs ,  Wolfgang Krause ,  Klaus Pandl ,  Ulrich Schäfer-Lüderssen

    发明人： Werner Aquila ,  Jörg Botzem ,  Melanie Brunner ,  Hartwig Fuchs ,  Wolfgang Krause ,  Klaus Pandl ,  Ulrich Schäfer-Lüderssen

    IPC分类号： C07C4529

    CPC分类号： C07C45/39 ,  C07C45/515 ,  C07C49/12 ,  C07C49/175 ,  C07C49/517

    摘要： The process for the preparation of carbonyl compounds of the formula I where R1 and R2 are a hydrocarbon radical, or R1 and R2 together are an unsubstituted or substituted alkylene group, and X is ═O or two alkoxy groups, comprises oxidizing alcohols of the formula II  where R1 to R2 and X are as defined above, with oxygen in the gaseous phase a) at temperatures of from 270 to 600° C. on silver coated catalysts which comprise an abrasion-resistant coating of metallic silver on a core of inert support material, or b) at temperatures of from 450 to 750° C. on silver crystals and/or copper crystals having a particle size of from 0.1 to 2.5 mm for a residence time of at most 0.1 second. Also claimed is an advantageous overall process for the preparation of &agr;-diketones, preferably diacetal, from the corresponding ketone, in particular methyl ethyl ketone, via the carbonyl compounds of the formula I where X is two alkoxy groups.

    摘要翻译： 制备式I其中R 1和R 2的羰基化合物的方法是烃基，或者R 1和R 2一起是未取代或取代的亚烷基，并且X是= O或两个烷氧基，包括将式II的氧化醇，其中R 1 在含有惰性载体材料芯上的金属银的耐磨涂层的银涂覆的催化剂上，在温度为270-600℃的温度下，R2和X如上定义，在气相中为氧） 在450至750℃的温度下，在银晶体和/或具有0.1至2.5mm的粒度的铜晶体上，停留时间至多为0.1秒。还要求保护的是制备α 二酮，优选二缩醛，通过其中X是两个烷氧基的式I的羰基化合物从相应的酮，特别是甲基乙基酮中获得。

    Method for producing butyrolactones
    6.
    发明授权
    Method for producing butyrolactones 失效
    丁内酯的制备方法

    公开(公告)号：US06346629B1

    公开(公告)日：2002-02-12

    申请号：US09700426

    申请日：2000-11-15

    申请人： Melanie Brunner ,  Ralf-Thomas Rahn ,  Udo Rheude ,  Jochem Henkelmann

    发明人： Melanie Brunner ,  Ralf-Thomas Rahn ,  Udo Rheude ,  Jochem Henkelmann

    IPC分类号： C07D30702

    CPC分类号： C07D315/00

    摘要： Process for producing butyrolactones of the general formula I where R1 and R2 are each hydrogen, alkyl, hydroxyalkyl, substituted or unsubstituted aryl or substituted or unsubstituted trialkylsilyl, by reacting alkynes of the general formula II where R1 and R2 are each as defined above, with carbon monoxide and water in the presence of a rhodium catalyst under pressures from 20 to 300 bar and hydrogenating the unhydrogenated 2(5H)-furanone intermediates comprises a) reacting the carbonylation reaction mixture with hydrogen at from 150 to 250° C. and from 100 to 300 bar, b) removing the precipitated catalyst and returning it into the carbonylation reaction, and c) subjecting the catalyst-free reaction mixture to a distillation to recover the butyrolactone.

    摘要翻译： 制备通式I的丁内酯的方法，其中R 1和R 2各自为氢，烷基，羟基烷基，取代或未取代的芳基或取代或未取代的三烷基甲硅烷基，其中通式II的炔烃其中R 1和R 2各自如上所定义，与一氧化碳 和铑催化剂存在下的水，在20-300巴的压力下氢化未氢化的2（5H） - 呋喃酮中间体包括：a）使羰基化反应混合物与氢在150-250℃和100-300巴条件下反应 ，b）除去沉淀的催化剂并将其返回到羰基化反应中，和c）使无催化剂反应混合物进行蒸馏以回收丁内酯。

    Preparation of sugar alcohols
    7.
    发明授权
    Preparation of sugar alcohols 失效
    制备糖醇

    公开(公告)号：US06177598B1

    公开(公告)日：2001-01-23

    申请号：US09283866

    申请日：1999-04-01

    申请人： Melanie Brunner ,  Boris Breitscheidel ,  Jochem Henkelmann ,  Arnd Böttcher

    发明人： Melanie Brunner ,  Boris Breitscheidel ,  Jochem Henkelmann ,  Arnd Böttcher

    IPC分类号： C07C29141

    CPC分类号： C07C29/132 ,  C07C31/26

    摘要： A process for the hydrogenation of a sugar or a mixture of two or more thereof comprises the following step: Bringing the sugar or the mixture of two or more thereof into contact with hydrogen in the presence of specific catalysts to give a sugar alcohol or a mixture of two or more thereof, wherein the catalyst comprises at least one metal of transition group VIII of the Periodic Table, either alone or together with at least one metal of transition group I or VII of the Periodic Table.

    摘要翻译： 糖或其两种或多种的混合物的氢化方法包括以下步骤：在特定催化剂存在下，使糖或其两种或多种的混合物与氢接触以得到糖醇或混合物 其中所述催化剂包含元素周期表中至少一种第Ⅷ族过渡金属，单独或与元素周期表中至少一种过渡族I或Ⅶ族金属一起。

    Method for hydrogenating benzene polycarboxylic acids or derivatives thereof by using a catalyst containing macropores
    8.
    发明授权
    Method for hydrogenating benzene polycarboxylic acids or derivatives thereof by using a catalyst containing macropores 有权

    公开(公告)号：US06284917B1

    公开(公告)日：2001-09-04

    申请号：US09581843

    申请日：2000-06-19

    申请人： Melanie Brunner ,  Arnd Böttcher ,  Boris Breitscheidel ,  Klaus Halbritter ,  Jochem Henkelmann ,  Lucien Thil ,  Rolf Pinkos

    发明人： Melanie Brunner ,  Arnd Böttcher ,  Boris Breitscheidel ,  Klaus Halbritter ,  Jochem Henkelmann ,  Lucien Thil ,  Rolf Pinkos

    IPC分类号： C07C6974

    CPC分类号： C08K5/12 ,  C07C51/36 ,  C07C67/303 ,  C07C69/75 ,  C07C2601/14 ,  C07C61/09

    摘要： A process for hydrogenating a benzenepolycarboxylic acid or a derivative thereof or a mixture of two or more thereof by bringing the benzenepolycarboxylic acid or the derivative thereof or the mixture of two or more thereof into contact with a hydrogen-containing gas is carried out in the presence of a catalyst which comprises as active metal at least one metal of transition group VIII of the Periodic Table alone or together with at least one metal of transition group I or VII of the periodic table applied to a support which contains macropores with the proviso that if dimethyl terephthalate is hydrogenated, the hydrogenation using a catalyst which comprises as active metal ruthenium either alone or together with at least one metal of transition group I, VII or VIII of the Periodic Table applied to a support, where the support has a mean pore diameter of at least 50 nm and a BET surface area of at most 30 m2/g and the amount of the active metal is from 0.01 to 30% by weight, based on the total weight of the catalyst, and the ratio of the surface areas of the active metal and the catalyst support is less than 0.05, and/or a catalyst which comprises as active metal ruthenium either alone or together with at least one metal of transition group I, VII or VIII of the Periodic Table in an amount of from 0.01 to 30% by weight, based on the total weight of the catalyst, applied to a support, where from 10 to 50% of the pore volume of the support is formed by macropores having a pore diameter in the range from 50 nm to 10,000 nm and from 50 to 90% of the pore volume of the support is formed by mesopores having a pore diameter in the range from 2 to 50 nm, where the sum of the pore volumes adds up to 100%, is excluded, and novel hydrogenation products, obtainable by hydrogenating benzenepolycarboxylic acid (derivatives) as well as their use as plasticizers in plastics.

    Hydrogenation of alkinols using a catalyst containing macropores
    9.
    发明授权
    Hydrogenation of alkinols using a catalyst containing macropores 失效
    使用含有大孔的催化剂氢化烷醇

    公开(公告)号：US6130360A

    公开(公告)日：2000-10-10

    申请号：US207622

    申请日：1998-12-09

    申请人： Arnd Bottcher ,  Melanie Brunner ,  Jochem Henkelmann ,  Heinz Rutter

    发明人： Arnd Bottcher ,  Melanie Brunner ,  Jochem Henkelmann ,  Heinz Rutter

    IPC分类号： C07C29/17 ,  C07C27/00

    CPC分类号： C07C29/172

    摘要： An alkinol or mixture of two or more thereof is hydrogenated by bringing the alkinol or the mixture of two or more thereof into contact with a hydrogen-containing gas in the presence of a catalyst comprising as active metal at least one metal of transition group VIII of the Periodic Table, either alone or together with at least one metal of transition group I or VII of the Periodic Table, applied to a support, wherein the support contains macropores.

    摘要翻译： 通过使烯醇或其两种或多种的混合物在含有活性金属的催化剂存在下与含氢气体接触来氢化烯醇或其混合物，所述催化剂包含至少一种第 单体或与周期表中的至少一种过渡组I或VII的金属一起施加到载体上，其中载体含有大孔。