METHOD FOR PRODUCING 1,6-HEXANEDIOL
    43.
    发明申请
    METHOD FOR PRODUCING 1,6-HEXANEDIOL 有权
    1,6-己二醇的制备方法

    公开(公告)号:US20120022298A1

    公开(公告)日:2012-01-26

    申请号:US13257496

    申请日:2010-03-29

    IPC分类号: C07C29/14

    摘要: The invention relates to a process for preparing 1,6-hexanediol, preferably with at least 99.5% purity, which are especially virtually free of 1,4-cyclohexanediols, from a carboxylic acid mixture which is obtained as a by-product of the catalytic oxidation of cyclohexane to cyclohexanone/cyclohexanol with oxygen or oxygen-comprising gases and by water extraction of the reaction mixture, by hydrogenating the carboxylic acid mixture, esterifying and hydrogenating a substream to hexanediol.

    摘要翻译: 本发明涉及一种制备1,6-己二醇的方法,该方法优选具有至少99.5%的纯度,特别是基本上不含1,4-环己二醇的羧酸混合物,其作为催化剂的副产物获得 通过氧化或含氧气体将环己烷氧化成环己酮/环己醇,并通过水解提取反应混合物,通过氢化羧酸混合物,将子流酯化并氢化成己二醇。

    PROCESS FOR PREPARING PURE CYCLODODECANONE
    46.
    发明申请
    PROCESS FOR PREPARING PURE CYCLODODECANONE 有权
    制备纯环己酮的方法

    公开(公告)号:US20100191018A1

    公开(公告)日:2010-07-29

    申请号:US12694815

    申请日:2010-01-27

    IPC分类号: C07C45/27

    摘要: The present invention relates to a process for preparing at least one cyclic compound with Z cycles and 7 to 16 carbon atoms with a keto group, at least comprising the stages: (a1) oxidation of a composition (A), at least comprising one cyclic olefin with Z cycles and 7 to 16 carbon atoms and at least two C—C double bonds, by means of dinitrogen monoxide to give a composition (A1), (a2) separating off the at least one cyclic olefin with Z cycles and 7 to 16 carbon atoms with at least two C—C double bonds from the composition (A1) in order to obtain a composition (A2), and (b) distillative treatment of the composition (A2) from step (a2) in order to obtain a composition (B), comprising the at least one cyclic compound with Z cycles and 7 to 16 carbon atoms with a keto group and less than 1.0% by weight of the at least one compound with Z−1 cycles and 7 to 16 carbon atoms with at least one aldehyde group, where Z can be 1, 2, 3 or 4.

    摘要翻译: 本发明涉及一种制备具有Z环和至少具有7至16个碳原子的酮基的至少一种环状化合物的方法,至少包括以下步骤:(a1)组合物(A)的氧化,至少包含一个环状 烯烃,Z循环和7至16个碳原子和至少两个C-C双键,借助于一氧化二氮,得到组合物(A1),(a2)以Z循环分离至少一种环状烯烃, 16个碳原子与来自组合物(A1)的至少两个C-C双键,以获得组合物(A2),和(b)从步骤(a2)中的组合物(A2)的蒸馏处理,以获得 组合物(B),其包含至少一种Z循环的环状化合物和具有酮基的7至16个碳原子和小于1.0重量%的至少一种具有Z-1循环和7至16个碳原子的化合物, 至少一个醛基,其中Z可以是1,2,3或4个。

    METHOD FOR PURIFYING CYCLIC KETONES
    49.
    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 THE PRODUCTION OF CYCLIC KETONES
    50.
    发明申请
    METHOD FOR THE PRODUCTION OF CYCLIC KETONES 失效
    生产环状酮的方法

    公开(公告)号:US20090326276A1

    公开(公告)日:2009-12-31

    申请号:US12306827

    申请日:2007-06-27

    IPC分类号: C07C45/27

    摘要: The present invention relates to a process for preparing a cyclic ketone having from 7 to 16 carbon atoms, which comprises at least the steps(a) oxidation of a composition (I) comprising at least one cyclic alkene which has from 7 to 16 carbon atoms and at least one C—C double bond by means of dinitrogen monoxide to give a composition (A),(b) treatment of the composition (A) with at least one base to give a composition (B),(c) hydrogenation of the composition (B) in the presence of at least one catalyst to give a composition (C),(d) purification of the composition (C), comprising at least the steps(di) thermal treatment of the composition (C) with at least one acid or at least one catalyst comprising at least one transition metal,(dii) further purification by a method selected from the group consisting of distillation, extraction and crystallization.

    摘要翻译: 本发明涉及一种制备具有7至16个碳原子的环酮的方法,其至少包括步骤(a)氧化包含至少一个具有7至16个碳原子的环烯烃的组合物(I) 和至少一个CC双键,得到组合物(A),(b)用至少一种碱处理组合物(A),得到组合物(B),(c)组合物的氢化 (B)在至少一种催化剂的存在下,得到组合物(C),(d)组合物(C)的纯化,至少包括步骤(ii)组合物(C)的热处理至少一种 酸或至少一种包含至少一种过渡金属的催化剂,(dii)通过选自蒸馏,萃取和结晶的方法进一步纯化。