Method for producing monoisocyanates and oligoisocyanates
    52.
    发明授权
    Method for producing monoisocyanates and oligoisocyanates 失效
    单异氰酸酯和低聚异氰酸酯的制备方法

    公开(公告)号:US06683204B1

    公开(公告)日:2004-01-27

    申请号:US10070393

    申请日:2002-03-04

    IPC分类号: C07C26310

    摘要: The present invention relates to a process for the preparation of aliphatic, cycloaliphatic, araliphatic and aromatic mono- and oligoisocyanates by phosgenation of the corresponding primary amines at atmospheric pressure, which comprises a) introducing a catalytic amount of a monoisocyanate (isocyanate a) into an inert solvent together with phosgene; b) adding the primary amine, and c) reacting the resulting reaction mixture with phosgene.

    摘要翻译: 本发明涉及通过在大气压下相应的伯胺的光气化制备脂族,脂环族,芳脂族和芳族单 - 和低聚异氰酸酯的方法,其包括a)将催化量的单异氰酸酯(异氰酸酯a)引入惰性 溶剂与光气一起加入; b)加入伯胺,和c)使得到的反应混合物与光气反应。

    Reaction of organic compounds over macroporous supported catalysts comprising boron oxide
    53.
    发明授权
    Reaction of organic compounds over macroporous supported catalysts comprising boron oxide 失效
    有机化合物与包含氧化硼的大孔载体催化剂反应

    公开(公告)号:US06432861B1

    公开(公告)日:2002-08-13

    申请号:US09349082

    申请日:1999-07-08

    IPC分类号: C08F804

    CPC分类号: C08F8/04 B01J21/02

    摘要: In a process for reacting an organic compound 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, in an amount of from 0.01 to 30% by weight, based on the total weight of the catalyst, applied to a support containing macropores, the support comprises, as a support component, boron(III) oxide in an amount of from 10 to 100% by weight, based on the total weight of the support.

    摘要翻译: 在一种催化剂存在下使有机化合物反应的方法,该催化剂包含作为活性金属的至少一种元素周期表第VIII族金属,单独或与至少一种第 周期表,以基于催化剂总重量的0.01至30重量%的量施用于含有大孔的载体,载体包含作为载体组分的氧化硼(III),其量为 10至100重量%,基于载体的总重量。

    Preparation of substituted indoles
    55.
    发明授权
    Preparation of substituted indoles 失效
    取代吲哚的制备

    公开(公告)号:US06384235B2

    公开(公告)日:2002-05-07

    申请号:US09782310

    申请日:2001-02-14

    IPC分类号: C07D20910

    摘要: The present application describes a process for preparing compounds of the indole type of the formula in which A is a hydrocarbon radical which, together with the carbons to which it is attached, forms a substituted or unsubstituted mono- or polycyclic aromatic system which may contain one or more heteroatoms from the group consisting of N, O and S, and R1, R2 independently of one another are H, a saturated, linear or branched aliphatic C1-C20-hydrocarbon radical, an unsaturated, linear or branched aliphatic C2-C20-hydrocarbon radical, a saturated or unsaturated, unsubstituted or alkyl-substituted cycloaliphatic C3-C20-hydrocarbon radical or an aromatic C5-C20-hydrocarbon radical, where these radicals may contain in their molecular skeleton one or more heteroatoms from the group consisting of the halogens, N, P, O, S, Si, Sn and B and may be substituted or unsubstituted, by cyclization of alkynylaminoaromatics of the formula in which R1 and R2 are as defined in formula (I) and R1, R2 or A may be attached to an organic or inorganic carrier, which comprises carrying out the reaction in a polar aprotic ion-solvating solvent in the presence of a suitable compound of Na, K, Rb or Cs. Using this process, it is possible to prepare substituted indoles in a simple manner and in high yields.

    摘要翻译: 本申请描述了一种制备吲哚型甲醛化合物的方法,其中A是烃基,其与其连接的碳一起形成取代或未取代的单环或多环芳族体系,其可以含有一个或多个 H,饱和的,直链或支链的脂肪族C 1 -C 20 - 烃基,不饱和的,直链或支链的脂族C 2 -C 20烃基团,其中N,O和S组成的组中更多的杂原子和R 1,R 2彼此独立地是H, ,饱和或不饱和的未取代或烷基取代的脂环族C 3 -C 20烃基或芳族C 5 -C 20烃基,其中这些基团在其分子骨架中可以含有一个或多个来自卤素,N ,P,O,S,Si,Sn和B,并且可以被取代或未取代,通过式(I)中R1和R2的炔基氨基芳族化合物的环化,R1,R2或A 可以连接到有机或无机载体上,其包括在适当的Na,K,Rb或C化合物的存在下,在极性非质子离子溶剂化溶剂中进行反应。使用该方法,可以制备取代的 吲哚以简单的方式和高产量。

    Method for producing carbonyl diimidazoles
    56.
    发明授权
    Method for producing carbonyl diimidazoles 失效
    制备羰基二咪唑的方法

    公开(公告)号:US06353115B1

    公开(公告)日:2002-03-05

    申请号:US09720913

    申请日:2001-01-02

    IPC分类号: C07D40312

    摘要: In a process for preparing carbonyldiimidazole of the general formulae Ia, Ib, Ic or mixtures thereof where R1 is hydrogen or a C1-4-alkyl radical and R2 is hydrogen or a methyl radical, by reacting at least one imidazole of the general formulae IIa and IIb in which R1 and R2 have the abovementioned meaning, with phosgene in an inert solvent, stoichiometric amounts, based on the imidazoles, of an organic nitrogen base which has a lower pKb than imidazole are added to the reaction mixture.

    摘要翻译: 在制备通式Ia,Ib,Ic或其混合物的羰基二咪唑的方法中,其中R 1是氢或C 1-4 - 烷基,R 2是氢或甲基,通过使至少一种通式IIa的咪唑和 其中R1和R2具有上述含义,光气在惰性溶剂中,基于咪唑的化学计量量的具有比咪唑低的pKb的有机氮碱加入到反应混合物中。

    Method for the production of 1-substituted 5-hydroxypyrazoles
    57.
    发明授权
    Method for the production of 1-substituted 5-hydroxypyrazoles 失效
    1-取代的5-羟基吡唑的制备方法

    公开(公告)号:US06329530B1

    公开(公告)日:2001-12-11

    申请号:US09830948

    申请日:2001-05-03

    IPC分类号: C07D23120

    CPC分类号: C07D231/20

    摘要: The invention relates to a method for the production of 1-substituted 5-hydroxypyrazoles of formula (I) wherein R1 is C1-C6-alkyl, C2-C6-alkenyl, C2-C6-alkinyl, C3-C6-cycloalkyl or C1-C4-alkoxy, whereby these groups can be substituted by halogen, C1-C4-alkoxy, phenoxy, C1-C6-alkoxycarbonyl, C1-C6-alkylthiocarbonyl or a cyclic ring system with 3-14 ring atoms, by reacting a) an alkylvinylether of general formula (III) wherein R2 is C1-C6-alkyl or C3-C6-cycloalkyl, with phosgene (IVa), “diphosgene” (IVb) or “triphosgene” (IVc) to form acid chlorides of formula (V), b) transforming said acid chlorides by eliminating hydrogen chloride into the corresponding 3-alkoxyacrylic acid chloride of formula (VI) and c) reacting said acid chloride with hydrazines of formula (VII) wherein R1 has the above cited meaning, to form 5-hydroxypyrazoles of formula (I).

    摘要翻译: 本发明涉及制备式(I)的1-取代的5-羟基吡唑的方法,其中R1是C1-C6-烷基,C2-C6-烯基,C2-C6-炔基,C3-C6-环烷基或C1- C4烷氧基,其中这些基团可以被卤素,C 1 -C 4 - 烷氧基,苯氧基,C 1 -C 6 - 烷氧基羰基,C 1 -C 6烷硫基羰基或具有3-14个环原子的环状体系取代,通过使a)烷基乙烯基醚 (IVa),“二光气”(IVb)或“三光气”(IVc))中形成式(V)的酰氯的通式(III)的化合物,其中R2为C1-C6-烷基或C3-C6- b)通过将氯化氢除去相应的式(VI)的3-烷氧基丙烯酰氯,并且c)使所述酰氯与式(Ⅶ)的肼反应,其中R 1具有上述含义,形成5-羟基吡唑 的式(I)化合物。

    Method for hydrogenating benzene polycarboxylic acids or derivatives thereof by using a catalyst containing macropores

    公开(公告)号:US06284917B1

    公开(公告)日:2001-09-04

    申请号:US09581843

    申请日:2000-06-19

    IPC分类号: C07C6974

    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
    60.
    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

    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。