PROCESS FOR THE PREPARATION OF FUMAGILLIN
    5.
    发明申请
    PROCESS FOR THE PREPARATION OF FUMAGILLIN 审中-公开
    制备FUMAGILLIN的方法

    公开(公告)号:WO00076994A3

    公开(公告)日:2001-02-08

    申请号:PCT/HU2000/000054

    申请日:2000-06-06

    IPC分类号: C07D303/22 C07D407/00

    CPC分类号: C07D303/22

    摘要: The invention relates to a process for the preparation of Fumagillin by liberation from its salt characterized by reacting Fumagillin dicyclohexylamine salt with an organic acid in alcoholic medium. According to the process Fumagillin can be produced in high yield and pure condition and with higher stability than products obtained by other preparation methods.

    摘要翻译: 本发明涉及一种通过从其盐中释放制备富马霉素的方法,其特征在于使富马霉素二环己胺盐与醇介质中的有机酸反应。 根据该方法,与其他制备方法得到的产品相比,富马林可以以高产率和纯度的条件生产,具有更高的稳定性。

    PROCESS FOR THE PREPARATION OF ALDITOL ACETALS
    8.
    发明申请
    PROCESS FOR THE PREPARATION OF ALDITOL ACETALS 审中-公开
    制备ALDITOL ACET的方法

    公开(公告)号:WO2012095858A1

    公开(公告)日:2012-07-19

    申请号:PCT/IN2011/000123

    申请日:2011-02-28

    CPC分类号: C07D493/04

    摘要: The present invention is directed to a process for the preparation of l,3:2,4-bis (4- methylbenzylidene) sorbitol (MDBS) and 1,3:2,4-bis (4-dimethylbenzylidene) sorbitol (DMDBS) by dehydrocondensating an aldehyde and an alditol using a hydrophobic ionic liquid as an acid catalyst. The ionic liquid used in the accordance with the process of the present invention is a phosphonium ion based ionic liquid.

    摘要翻译: 本发明涉及通过以下方法制备1,3:2,4-双(4-甲基亚苄基)山梨糖醇(MDBS)和1,3:2,4-双(4-二甲基亚苄基)山梨糖醇(DMDBS)的方法 使用疏水性离子液体作为酸催化剂使醛和糖醇脱水缩合。 根据本发明方法使用的离子液体是基于鏻离子的离子液体。