Continuous method for the production of sugar alcohols
    1.
    发明申请
    Continuous method for the production of sugar alcohols 审中-公开
    连续生产糖醇的方法

    公开(公告)号:US20060009661A1

    公开(公告)日:2006-01-12

    申请号:US10538265

    申请日:2003-12-03

    IPC分类号: C07C29/14

    摘要: A continuous process for preparing sugar alcohols by catalytic hydrogenation of an aqueous solution of a saccharide, which forms the corresponding sugar alcohol on hydrogenation, in the presence of a ruthenium catalyst which is obtainable by: i) single or multiple treatment of an amorphous silicon-dioxide-based support material with a halogen-free aqueous solution of a low-molecular-weight ruthenium compound and subsequent drying of the treated support material at below 200° C., ii) reducing the solid obtained in i) with hydrogen at from 100 to 350° C., step ii) being carried out immediately after step i), which comprises, before the hydrogenation, bringing the aqueous saccharide solution to be hydrogenated into contact with the support material.

    摘要翻译: 一种在钌催化剂存在下通过氢化形成相应的糖醇的糖水溶液的催化氢化制备糖醇的连续方法,其可以通过以下步骤获得:i)单次或多次处理非晶硅 - 二氧化物基载体材料与低分子量钌化合物的无卤素水溶液,随后将处理的载体材料在低于200℃下进行干燥,ii)在100℃下用氢气还原所得固体, 至350℃,步骤ii)在步骤i)之后立即进行,其包括在氢化之前将待氢化的糖水溶液与载体材料接触。

    Preparation of alkenylphosphonic acid derivatives
    2.
    发明授权
    Preparation of alkenylphosphonic acid derivatives 有权
    烯基膦酸衍生物的制备

    公开(公告)号:US06534669B2

    公开(公告)日:2003-03-18

    申请号:US09985114

    申请日:2001-11-01

    IPC分类号: C07F906

    CPC分类号: C07F9/4015

    摘要: Alkenylphosphonic acid derivatives are prepared by reacting phosphonic acid derivatives with alkynes in the presence of a metal complex catalyst system comprising (a) nickel and (b) a phosphine having at least two trivalent phosphorus atoms.

    摘要翻译: 烯基膦酸衍生物通过在包含(a)镍和(b)具有至少两个三价磷原子的膦的金属络合物催化剂体系的存在下使膦酸衍生物与炔反应来制备。

    Method for the production of acetylene alcohols
    3.
    发明申请
    Method for the production of acetylene alcohols 审中-公开
    生产乙炔醇的方法

    公开(公告)号:US20050272963A1

    公开(公告)日:2005-12-08

    申请号:US10523925

    申请日:2003-07-23

    摘要: The present invention relates to a process for preparing acetylene alcohols of the general formula I where R1 and R2 may be the same or different and are each independently hydrogen, a saturated or a mono- or polyunsaturated C1-C30-alkyl, aryl, cycloalkylalkyl or cycloalkyl radical, each of which may optionally be substituted, or a group of the general formula (II) where R3 and R4 may be the same or different and are each independently hydrogen or a saturated or a mono- or polyunsaturated C1-C30-alkyl, aryl, cycloalky alkyl or cycloalkyl radical, each of which may optionally be substituted, and the dashed line may represent an additional double bond, by monoethynylating a ketone of the general formula R1—CO—R2 by (a) reacting lithium with a C1-C10-alkyl halide (b) feeding in acetylene gas (c) adding the ketone.

    摘要翻译: 本发明涉及一种制备通式I的乙炔醇的方法,其中R 1和R 2可以相同或不同,各自独立地为氢,饱和的 或单或多不饱和C 1 -C 30 - 烷基,芳基,环烷基烷基或环烷基,其各自可以任选被取代,或一个通式 (II)其中R 3和R 4可以相同或不同,各自独立地为氢或饱和或单不饱和或不饱和的C 1〜 其中每一个可以被任选地被取代,并且虚线可以代表另外的双键,通过使通式(I)的酮单乙炔基化, 通过(a)使锂与C 1 -C 10 - 烷基 - 取代的C 1 -C 10 - 烷基 卤化物(b)在乙炔气中进料(c)加入酮。

    Preparation of an alkenylphosphonic acid derivative
    4.
    发明申请
    Preparation of an alkenylphosphonic acid derivative 审中-公开
    烯基膦酸衍生物的制备

    公开(公告)号:US20050113602A1

    公开(公告)日:2005-05-26

    申请号:US10977449

    申请日:2004-11-01

    IPC分类号: C07B61/00 C07F9/40 C07F9/22

    CPC分类号: C07F9/4015

    摘要: Process for preparing an alkenylphosphonic acid derivative by reacting a phosphonic acid derivative with an alkyne in the presence of a catalyst complex system, wherein the catalyst complex system comprises (a) nickel and (b) a phosphine having at least two trivalent phosphorus atoms and/or (c) a phosphine having one trivalent phosphorus atom and the alkyne is added only after the phosphonic acid derivative has been brought into contact with the catalyst complex system for at least one minute.

    摘要翻译: 在催化剂络合物体系存在下使膦酸衍生物与炔烃反应制备烯基膦酸衍生物的方法,其中催化剂络合物体系包含(a)镍和(b)具有至少两个三价磷原子的膦和/ 或者(c)仅在使膦酸衍生物与催化剂络合物体系接触至少1分钟后才加入具有一个三价磷原子的膦和炔烃。

    Preparation of an alkenylphosphonic acid derivative
    6.
    发明授权
    Preparation of an alkenylphosphonic acid derivative 失效
    烯基膦酸衍生物的制备

    公开(公告)号:US07399876B2

    公开(公告)日:2008-07-15

    申请号:US10977436

    申请日:2004-11-01

    IPC分类号: C07F9/02

    CPC分类号: C07F9/4015

    摘要: Process for preparing an alkenylphosphonic acid derivative by reacting a phosphonic acid derivative with an alkyne in the presence of a catalyst complex system, wherein the catalyst complex system comprises (a) nickel, (b) a phosphine having at least two trivalent phosphorus atoms and in addition (c) a phosphine having one trivalent phosphorus atom.

    摘要翻译: 在催化剂络合物体系存在下使膦酸衍生物与炔烃反应制备链烯基膦酸衍生物的方法,其中所述催化剂络合物体系包含(a)镍,(b)具有至少两个三价磷原子的膦和 加入(c)具有一个三价磷原子的膦。

    Preparation of substituted indoles
    7.
    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 the distillative separation of a mixture containing vinyl ether and alchol
    10.
    发明授权
    Method for the distillative separation of a mixture containing vinyl ether and alchol 失效
    含有乙烯基醚和醇的混合物的蒸馏分离方法

    公开(公告)号:US07670464B2

    公开(公告)日:2010-03-02

    申请号:US10560135

    申请日:2004-06-08

    摘要: Process for distillatively separating a mixture containing a vinyl ether of the general formula (I) R1—O—CH═CH2  (I) and alcohol of the general formula (II) R2—OH  (II) in which R1 and R2 are each independently a saturated or unsaturated, aliphatic or cycloaliphatic radical having from 2 to 10 carbon atoms, and in which the alcohol (II) has a boiling point which is at least 1° C. higher, measured at or extrapolated to 0.1 MPa abs, than the vinyl ether (I), by a) passing the mixture into a first distillation column and withdrawing, as a top product, an azeotrope containing vinyl ether (I) and alcohol (II) and, as a bottom product, a stream enriched with the alcohol (II); b) passing the azeotrope containing vinyl ether (I) and alcohol (II) from the first distillation column into a second distillation column which is operated at a pressure which is from 0.01 to 3 MPa higher compared to the first distillation column, and withdrawing, as a bottom product or gaseous sidestream in the stripping section, the vinyl ether (I) and, as a top product, an azeotrope containing vinyl ether (I) and alcohol (II); and c) recycling the azeotrope containing vinyl ether (I) and alcohol (II) from the second distillation column into the first distillation column.

    摘要翻译: 蒸馏分离含有通式(I)的R 1 -O-CH = CH 2(I)的乙烯基醚和通式(II)的醇R 2 -OH(II)的混合物的混合物,其中R 1和R 2各自独立地 具有2至10个碳原子的饱和或不饱和的脂肪族或脂环族基团,其中醇(II)的沸点至少为1℃,高于或者外推至0.1MPa abs,比 乙烯基醚(I),通过a)将混合物通入第一蒸馏塔并作为顶部产物取出含乙烯基醚(I)和醇(II)的共沸物,并且作为底部产物,富含 酒精(II); b)将含有乙烯基醚(I)和乙醇(II)的共沸物从第一蒸馏塔送入第二蒸馏塔,其与第一蒸馏塔相比压力高出0.01至3MPa, 作为汽提部分中的底部产物或气体侧流,乙烯基醚(I)和作为顶部产物的含乙烯基醚(I)和醇(II)的共沸物; 和c)将来自第二蒸馏塔的含乙烯基醚(I)和乙醇(II)的共沸物再循环到第一蒸馏塔中。