PROCESS FOR THE PREPARATION OF (E, E)-FARNESYL ACETONE
    2.
    发明公开
    PROCESS FOR THE PREPARATION OF (E, E)-FARNESYL ACETONE 有权
    制备(E,E) - 芳基乙酮的方法

    公开(公告)号:EP2188240A1

    公开(公告)日:2010-05-26

    申请号:EP08775274.7

    申请日:2008-07-22

    IPC分类号: C07C45/51 C07C49/203

    CPC分类号: C07C45/513 C07C49/203

    摘要: A process for the preparation of E-farnesyl acetone characterized by reaction of nerolidol with isopropenylmethyl ether in the presence of an acidic catalyst at elevated temperature and isolation by fractionated distillation.

    摘要翻译: 一种制备E-法尼基丙酮的方法,其特征在于在酸性催化剂存在下在高温下通过橙花叔醇与异丙烯基甲基醚反应并通过分馏来分离。

    MANUFACTURE OF GAMMA-DELTA-UNSATURATED KETONES
    10.
    发明公开
    MANUFACTURE OF GAMMA-DELTA-UNSATURATED KETONES 有权
    PRODUCTION伽玛DELTA不饱和酮

    公开(公告)号:EP2346805A2

    公开(公告)日:2011-07-27

    申请号:EP09783453.5

    申请日:2009-09-28

    IPC分类号: C07C45/51 C07C49/203

    CPC分类号: C07C45/511 C07C49/203

    摘要: A process for the manufacture of gamma-delta-unsaturated ketones of formula (R
    1 )(R
    2 )C = CH - CH
    2 - CH
    2 - CO - R
    3 (I), wherein R
    1 is methyl or ethyl; R
    2 is a saturated or unsaturated linear or cyclic hydrocarbon residue and R
    3 is methyl or ethyl, by reacting a tertiary vinyl carbinol of formula (R
    1 )(R
    2 )C(OH) - CH = CH
    2 (II) with an isopropenyl methyl or ethyl ether of formula H
    3 C-C(OR
    3 ) = CH
    2 (III) in the presence of an ammonium salt as catalyst.