Process for preparing .DELTA..sup.1,4 -pregnadiene-3,20-diones
    5.
    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
    6.
    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。

    Phenylimidazolidine preparation process
    7.
    发明授权
    Phenylimidazolidine preparation process 失效
    苯基咪唑烷制备方法

    公开(公告)号:US6107488A

    公开(公告)日:2000-08-22

    申请号:US68846

    申请日:1998-06-10

    摘要: A subject of the invention is a preparation process for the products of formula (I): ##STR1## in which R.sub.1 and R.sub.2 represent in particular hydrogen, cyano, halogen or amino,R.sub.3 represents in particular hydrogen or hydroxyl alkyl,R.sub.4 and R.sub.5 represent in particular optionally substituted alkyl,X and y represent oxygen or sulphur, characterized in that a product of formula (A): ##STR2## is prepared in which W represents a halogen atom or a hydantoin derivative,which is subjected to various reactions in order to obtain the products of formula (I), all their isomers and their salts.

    摘要翻译: PCT No.PCT / FR96 / 01794 Sec。 371日期:1998年5月15日 102(e)日期1998年5月15日PCT 1996年11月14日PCT PCT。 公开号WO97 / 18197 日期1997年5月22日本发明的主题是式(I)的产物的制备方法:其中R 1和R 2特别表示氢,氰基,卤素或氨基,R 3特别表示氢或羟烷基,R 4和R 5 特别是任选取代的烷基,X和Y表示氧或硫,其特征在于制备式(A)的产物,其中W表示卤素原子或乙内酰脲衍生物,其进行各种反应以获得 式(I)的产物,其所有异构体及其盐。

    .delta..sup.1,4 -pregnadiene-3,20-diones
    8.
    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。