Method for producing propylene oxide
    101.
    发明授权
    Method for producing propylene oxide 有权
    生产环氧丙烷的方法

    公开(公告)号:US08211822B2

    公开(公告)日:2012-07-03

    申请号:US12556961

    申请日:2009-09-10

    IPC分类号: B01J21/06 B01J21/08

    CPC分类号: C07D301/12 Y02P20/52

    摘要: Process for preparing propylene oxide, which comprises at least the steps (i) and (ii): (i) providing a catalyst comprising at least one porous oxidic material; (ii) reacting propene with a hydroperoxide in at least one nitrile as solvent or in a solvent mixture comprising at least one nitrile in the presence of the catalyst of (i), wherein the at least one porous oxidic material is a zeolite which is assigned X-ray-crystallographically to the MWW type.

    摘要翻译: 制备环氧丙烷的方法,其至少包括步骤(i)和(ii):(i)提供包含至少一种多孔氧化物质的催化剂; (ii)使丙烯与至少一种腈作为溶剂中的氢过氧化物反应或在包含至少一种腈的溶剂混合物中,在(i)的催化剂存在下反应,其中所述至少一种多孔氧化物质是被分配的沸石 X射线晶体学到MWW型。

    PROCESS FOR PREPARING KETONES BY REACTING 1,1-DISUBSTITUTED OLEFINS WITH N2O
    102.
    发明申请
    PROCESS FOR PREPARING KETONES BY REACTING 1,1-DISUBSTITUTED OLEFINS WITH N2O 失效
    通过用N2O反应1分解的烯烃制备酮的方法

    公开(公告)号:US20110269996A1

    公开(公告)日:2011-11-03

    申请号:US13142968

    申请日:2009-12-14

    IPC分类号: C07B41/04

    CPC分类号: C07C45/28 C07C49/04

    摘要: The present invention relates to a process for preparing a ketone, comprising the reaction of a composition (I) at least comprising a 1,1-disubstituted olefin, with a composition comprising dinitrogen monoxide, wherein the reaction is effected in the presence of a solvent which comprises at least one proton-donating functional group.

    摘要翻译: 本发明涉及一种制备酮的方法,其包括至少包含1,1-二取代烯烃的组合物(I)与包含一氧化二氮的组合物的反应,其中反应在溶剂存在下进行 其包含至少一个质子供体官能团。

    PROCESS FOR PREPARING PURE CYCLODODECANONE
    104.
    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。

    PROCESS FOR ISOLATING N2O
    107.
    发明申请
    PROCESS FOR ISOLATING N2O 有权
    分离N2O的方法

    公开(公告)号:US20100018389A1

    公开(公告)日:2010-01-28

    申请号:US12518659

    申请日:2007-12-07

    IPC分类号: B01D53/14

    摘要: The present invention relates to a process for purifying a gas mixture G-0 comprising dinitrogen monoxide, at least comprising the contacting of the gas mixture G-0 with a solvent mixture (I) at least comprising 50% by weight of water based on the overall solvent mixture (1), the pH of the solvent mixture (I) being in the range from 3.5 to 8.0, the desorption of a gas mixture G-1 from a composition (A), the contacting of the gas mixture G-1 with a solvent mixture (11) at least comprising 50% by weight of water based on the overall solvent mixture (11), the pH of the solvent mixture (11) being in the range from 2.0 to 8.0, and the desorption of a gas mixture G-2 from a composition (B), the pH being based in each case on a measurement with a glass electrode, and to the use of gas mixtures obtainable by a process according to the invention as oxidizing agents for olefins.

    摘要翻译: 本发明涉及一种纯化包含一氧化二氮的气体混合物G-0的方法,该方法至少包括气体混合物G-0与至少包含50重量%水的溶剂混合物(I)的接触,基于 总溶剂混合物(1)中,溶剂混合物(I)的pH在3.5至8.0的范围内,气体混合物G-1从组合物(A)中的解吸,气体混合物G-1 与溶剂混合物(11)的溶剂混合物(11)至少包含基于总溶剂混合物(11)的50重量%的水,溶剂混合物(11)的pH在2.0至8.0的范围内,并且气体的解吸 来自组合物(B)的混合物G-2,在每种情况下,使用玻璃电极进行测量,并且使用可通过根据本发明的方法获得的气体混合物作为烯烃的氧化剂。

    METHOD FOR THE PRODUCTION OF CYCLIC KETONES
    109.
    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。