.delta..sup.1,4 -pregnadiene-3,20-diones
    1.
    发明授权
    .delta..sup.1,4 -pregnadiene-3,20-diones 失效
    δ1,4-孕二烯-3,20-二酮

    公开(公告)号:US5434258A

    公开(公告)日:1995-07-18

    申请号:US190881

    申请日:1994-02-02

    CPC分类号: C07J71/0031 C07J5/0092

    摘要: A compound of the formula ##STR1## wherein R is selected from the group consisting of hydrogen, acyl of an organic carboxylic acid of 1 to 8 carbon atoms, allyloxycarbonyl, alkoxycarbonyl and aralkoxycarbonyl of up to 8 carbon atoms and alkylsulfonyl and arylsulfonyl of up to 8 carbon atoms and their use to prepare substituted 16,17-methylenedioxy-steroids and novel intermediates.

    摘要翻译: 式Ⅰ化合物,其中R选自氢,碳原子数1〜8的有机羧酸的酰基,高达8个碳原子的烷氧羰基和芳烷氧基羰基,烷基磺酰基和芳基磺酰基 至8个碳原子,并用于制备取代的16,17-亚甲二氧基类固醇和新型中间体。

    Process for preparing .DELTA..sup.1,4 -pregnadiene-3,20-diones
    2.
    发明授权
    Process for preparing .DELTA..sup.1,4 -pregnadiene-3,20-diones 失效
    制备DELTA 1,4-孕二烯-3,20-二酮的方法

    公开(公告)号:US5310896A

    公开(公告)日:1994-05-10

    申请号:US974484

    申请日:1992-11-12

    CPC分类号: C07J71/0031 C07J5/0092

    摘要: A compound of the formula ##STR1## wherein R is selected from the group consisting of hydrogen, acyl of an organic carboxylic acid of 1 to 8 carbon atoms, allyloxycarbonyl, alkoxycarbonyl and aralkoxycarbonyl of up to 8 carbon atoms and alkylsulfonyl and arylsulfonyl of up to 8 carbon atoms and their use to prepare substituted 16,17-methylenedioxysteroids and novel intermediates.

    摘要翻译: 式Ⅰ化合物,其中R选自氢,碳原子数1〜8的有机羧酸的酰基,高达8个碳原子的烷氧羰基和芳烷氧基羰基,烷基磺酰基和芳基磺酰基 至8个碳原子及其用于制备取代的16,17-亚甲基二氧化物类固醇和新型中间体。

    Lambda-1,4-pregnadiene-3,20-diones
    3.
    发明授权
    Lambda-1,4-pregnadiene-3,20-diones 失效
    λ-1,4-孕二烯-3,20-二酮

    公开(公告)号:US5451690A

    公开(公告)日:1995-09-19

    申请号:US372647

    申请日:1995-01-13

    CPC分类号: C07J71/0031 C07J5/0092

    摘要: A compound of the formula ##STR1## wherein R is selected from the group consisting of hydrogen, acyl of an organic carboxylic acid of 1 to 8 carbon atoms, allyloxycarbonyl, alkoxycarbonyl and aralkoxycarbonyl of up to 8 carbon atoms and alkylsulfonyl and arylsulfonyl of up to 8 carbon atoms and their use to prepare substituted 16,17-methylenedioxy-steroids and novel intermediates.

    摘要翻译: 式Ⅰ化合物,其中R选自氢,碳原子数1〜8的有机羧酸的酰基,高达8个碳原子的烷氧羰基和芳烷氧基羰基,烷基磺酰基和芳基磺酰基 至8个碳原子,并用于制备取代的16,17-亚甲二氧基类固醇和新型中间体。