Regiospecific synthesis of rapamycin 42-ester derivatives
    4.
    发明申请
    Regiospecific synthesis of rapamycin 42-ester derivatives 失效
    雷帕霉素42-酯衍生物的区域特异性合成

    公开(公告)号:US20050234234A1

    公开(公告)日:2005-10-20

    申请号:US11103799

    申请日:2005-04-12

    CPC分类号: C07D498/18 C12P17/188

    摘要: A method for the regiospecific synthesis of rapamycin 42-ester derivatives is described. The method involves lipase-catalyzed acetylation of 42-hydroxy of rapamycin with an acyl donor such as a vinyl ester, an isopropenyl ester or an anhydride in a suitable organic solvent.

    摘要翻译: 描述了雷帕霉素42-酯衍生物的区域特异性合成的方法。 该方法包括在合适的有机溶剂中用酰基供体如乙烯基酯,异丙烯基酯或酸酐对雷帕霉素的42-羟基进行脂肪酶催化的乙酰化。

    Processes for preparing water-soluble polyethylene glycol conjugates of macrolide immunosuppressants
    5.
    发明授权
    Processes for preparing water-soluble polyethylene glycol conjugates of macrolide immunosuppressants 失效
    制备大环内酯类免疫抑制剂水溶性聚乙二醇共轭物的方法

    公开(公告)号:US07605257B2

    公开(公告)日:2009-10-20

    申请号:US11713973

    申请日:2007-03-05

    IPC分类号: C07D498/18

    CPC分类号: C07D498/18 A61K47/60

    摘要: Processes are described for preparing 42-pegylated rapamycins including reacting a rapamycin with an acylating agent in the presence of a lipase to form an acylated rapamycin and reacting the acylated rapamycin with a methoxy poly(ethylene glycol) derivative in the presence of a base. Also described are processes for preparing 32-pegylated tacrolimus and/or ascomycin using these steps.

    摘要翻译: 描述了制备42-聚乙二醇化雷帕霉素的方法,包括在脂肪酶存在下使雷帕霉素与酰化剂反应形成酰化雷帕霉素,并在酰基存在下使酰化雷帕霉素与甲氧基聚(乙二醇)衍生物反应。 还描述了使用这些步骤制备32-聚乙二醇化他克莫司和/或小霉素的方法。

    Processes for preparing water-soluble polyethylene glycol conjugates of macrolide immunosuppressants
    7.
    发明申请
    Processes for preparing water-soluble polyethylene glycol conjugates of macrolide immunosuppressants 失效
    制备大环内酯类免疫抑制剂水溶性聚乙二醇共轭物的方法

    公开(公告)号:US20070212371A1

    公开(公告)日:2007-09-13

    申请号:US11713973

    申请日:2007-03-05

    IPC分类号: A61K31/395 C07D273/01

    CPC分类号: C07D498/18 A61K47/60

    摘要: Processes are described for preparing 42-pegylated rapamycins including reacting a rapamycin with an acylating agent in the presence of a lipase to form an acylated rapamycin and reacting the acylated rapamycin with a methoxy poly(ethylene glycol) derivative in the presence of a base. Also described are processes for preparing 32-pegylated tacrolimus and/or ascomycin using these steps.

    摘要翻译: 描述了制备42-聚乙二醇化雷帕霉素的方法,包括在脂肪酶存在下使雷帕霉素与酰化剂反应以形成酰化雷帕霉素,并在碱的存在下使酰化雷帕霉素与甲氧基聚(乙二醇)衍生物反应。 还描述了使用这些步骤制备32-聚乙二醇化他克莫司和/或子囊霉素的方法。