24-homo vitamin D derivatives, process for their production and
pharmaceutical preparations obtained therefrom
    4.
    发明授权
    24-homo vitamin D derivatives, process for their production and pharmaceutical preparations obtained therefrom 失效
    24-homo维生素D衍生物,其制备方法和由其获得的药物制剂

    公开(公告)号:US5665716A

    公开(公告)日:1997-09-09

    申请号:US592017

    申请日:1990-10-02

    CPC分类号: C07C401/00

    摘要: New 24-homo vitamin D derivatives of formula I ##STR1## are described, in which R.sup.1 means a hydrogen atom, a hydroxy, an alkanoyloxy group with 1 to 8 carbon atoms or an aralkanoyloxy group with up to 8 carbon atoms,R.sup.2 and R.sup.3, independently of one another, mean a linear or branched alkyl group with 1 to 4 carbon atoms, a trifluoromethyl group or together mean a saturated carbocyclic ring with 3 to 9 carbon atoms formed with carbon atom 25,R.sup.4 and R.sup.5, independently of one another, mean a hydrogen atom, an alkanoyl group with 1 to 8 carbon atoms or an aralkanoyl group with up to 8 carbon atoms, andA and B each mean a hydrogen or together a second bond, andn stands for 1, 2, 3,4 or 5.

    摘要翻译: 描述了式I(I)1的新的24-高维生素D衍生物,其中R 1表示氢原子,羟基,具有1至8个碳原子的烷酰氧基或具有至多8个碳原子的芳烷酰氧基 R2和R3彼此独立地表示具有1至4个碳原子的直链或支链烷基,三氟甲基或一起表示与碳原子25,R4和R5形成的具有3至9个碳原子的饱和碳环, 彼此独立地表示氢原子,具有1至8个碳原子的烷酰基或具有至多8个碳原子的芳烷酰基,A和B各自表示氢或一起形成第二键,n表示1, 2,3,4或5。