METHOD FOR PURIFYING CYCLIC KETONES
    45.
    发明申请
    METHOD FOR PURIFYING CYCLIC KETONES 有权
    纯化循环克隆的方法

    公开(公告)号:US20090326277A1

    公开(公告)日:2009-12-31

    申请号:US12306807

    申请日:2007-06-27

    IPC分类号: C07C45/00

    摘要: The present invention relates to a process for purifying a composition (I) comprising at least one cyclic ketone having from 7 to 16 carbon atoms, which comprises thermal treatment of the composition (I) with at least one acid and further purification by means of a process selected from the group consisting of distillation, extraction and crystallization, Furthermore, the present invention relates to a process for preparing cyclododecanone, which comprises such a purification, and the use of at least one acid for purifying a composition (I) comprising at least one cyclic ketone having from 7 to 16 carbon atoms by thermal treatment of the composition (I) with the acid.

    摘要翻译: 本发明涉及一种纯化包含至少一种具有7至16个碳原子的环酮的组合物(I)的方法,其包括用至少一种酸对组合物(I)进行热处理,并进一步通过 选自蒸馏,萃取和结晶的方法。此外,本发明涉及一种制备环十二烷酮的方法,其包括这种纯化,以及使用至少一种酸来纯化至少包含(I)的组合物 一种具有7-16个碳原子的环酮,通过组合物(I)与酸的热处理。

    METHOD FOR PURIFYING CYCLIC KETONES
    46.
    发明申请
    METHOD FOR PURIFYING CYCLIC KETONES 有权
    纯化循环克隆的方法

    公开(公告)号:US20090318733A1

    公开(公告)日:2009-12-24

    申请号:US12306815

    申请日:2007-06-27

    IPC分类号: C07C45/78

    摘要: The present invention relates to a process for purifying a composition (I) comprising at least one cyclic ketone having from 7 to 16 carbon atoms, which comprises thermal treatment of the composition (I) with a catalyst comprising at least one transition metal and further purification by means of a process selected from the group consisting of distillation, extraction and crystallization. Furthermore, the present invention relates to a process for preparing cyclododecanone, which comprises such a purification, and the use of at least one catalyst comprising at least one transition metal for purifying a composition (I) comprising at least one cyclic ketone having from 7 to 16 carbon atoms by thermal treatment of the composition (I) with a catalyst comprising at least one transition metal.

    摘要翻译: 本发明涉及一种纯化包含至少一种具有7至16个碳原子的环酮的组合物(I)的方法,其包括用包含至少一种过渡金属的催化剂热处理组合物(I)并进一步纯化 通过选自蒸馏,萃取和结晶的方法。 此外,本发明涉及一种制备环十二烷酮的方法,其包括这种纯化,以及至少一种包含至少一种过渡金属的催化剂用于纯化组合物(I)的用途,所述组合物(I)包含至少一种具有7〜 16个碳原子通过用包含至少一种过渡金属的催化剂热处理组合物(I)。

    Method for producing alkyl-aromatic compounds by direct alkylation of aromatic hydrocarbons with alkanes
    47.
    发明申请
    Method for producing alkyl-aromatic compounds by direct alkylation of aromatic hydrocarbons with alkanes 审中-公开
    通过芳族烃与烷烃直接烷基化生产烷基芳族化合物的方法

    公开(公告)号:US20090134066A1

    公开(公告)日:2009-05-28

    申请号:US11659422

    申请日:2005-08-04

    IPC分类号: C10G35/06 C07C2/58

    摘要: The present invention relates to a process for preparing alkylaromatics by reacting aromatic compounds with C1-C14-alkanes in the presence of a heterogeneous catalyst, which comprises using as the catalyst a crystalline, micro- and/or mesoporous solid comprising silicon and at least one father element selected from the group consisting of the transition metals and the main group elements gallium and tin, and activating said catalysts by a reducing pretreatment. Furthermore, the present invention relates to a process for preparing alkylarylsulfonates by sulfonating and neutralizing the alkyl aromatic compounds.

    摘要翻译: 本发明涉及在非均相催化剂存在下使芳族化合物与C 1 -C 14烷烃反应制备烷基芳族化合物的方法,该方法包括使用包含硅和至少一种以上的硅的结晶,微孔和/或介孔固体作为催化剂 父元素选自过渡金属和主要元素镓和锡,并通过还原预处理活化所述催化剂。 此外,本发明涉及通过磺化和中和烷基芳族化合物来制备烷基芳基磺酸盐的方法。

    Method for production of 1,6-hexanediol with a purity in excess of 99.5%
    50.
    发明授权
    Method for production of 1,6-hexanediol with a purity in excess of 99.5% 失效
    制备纯度超过99.5%的1,6-己二醇的方法

    公开(公告)号:US07449609B2

    公开(公告)日:2008-11-11

    申请号:US10569980

    申请日:2005-07-07

    IPC分类号: C07C29/149

    摘要: The present invention provides a process for preparing 1,6-hexanediol by hydrogenating dialkyl adipates, alkyl 6-hydroxycaproates, 1,4-cyclohexanedione and 4-hydroxycyclohexan-1-one as ester mixtures comprising impurities, by a) freeing resulting the esterification mixture of excess alcohol and low boilers in a first distillation stage (alcohol removal), b) carrying out a separation of the bottom product in a second distillation stage into an ester fraction substantially free of 1,4-cyclohexanediols and a fraction comprising at least the majority of the 1,4-cyclohexanediols, c) catalytically hydrogenating the ester fraction substantially free of 1,4-cyclohexanediols (ester hydrogenation) and d) in a purifying distillation stage, obtaining 1,6-hexanediol from the hydrogenation effluent in a manner known per se, which comprises selectively hydrogenating the ester mixture before stage a) and/or before stage b) (purifying hydrogenation).

    摘要翻译: 本发明提供了一种通过以下方式制备1,6-己二醇的方法:通过以下方法将氢化己二酸二烷基酯,6-羟基己酸烷基酯,1,4-环己二酮和4-羟基环己烷-1-酮作为包含杂质的酯混合物, 在第一蒸馏阶段(醇去除)中的过量醇和低锅炉的b),b)在第二蒸馏阶段中将底部产物分离成基本上不含1,4-环己烷二醇的酯馏分和至少包含 大部分1,4-环己烷二醇,c)催化氢化基本上不含1,4-环己二醇的酯馏分(酯氢化)和d)在纯化蒸馏阶段,以一种方式从氢化流出物中获得1,6-己二醇 本身已知,其包括在阶段a)和/或阶段b)之前选择性地氢化酯混合物(纯化氢化)。