Certain 3-ketosteroids used to inhibit steroid 5.alpha.-reductase
    10.
    发明授权
    Certain 3-ketosteroids used to inhibit steroid 5.alpha.-reductase 失效
    某些3-酮类固醇用于抑制类固醇5α-还原酶

    公开(公告)号:US5869475A

    公开(公告)日:1999-02-09

    申请号:US970843

    申请日:1997-11-14

    IPC分类号: A61K31/56 A61P37/04 C07J41/00

    摘要: The invention discloses 3-ketosteroids of the following formula used to inhibit steroid 5.alpha.-reductase: ##STR1## wherein R is OH, C.sub.1 -C.sub.6 alkanoyl, C.sub.1 -C.sub.6 alkanoyloxy, C.sub.1 -C.sub.4 alkanol, COCH.sub.2 OH, CO.sub.2 H, CONR.sub.7 R.sub.8, cyclopropoxy, acetylthioalkane, cyclopylamino, 2-2-dimethyldioxolan-4-yl, 1,2-dihydroxyethyl and C.sub.1-4 alkanethiol;R.sub.1 is hydrogen, hydroxy or C.sub.1-6 alkyl;R.sub.1 and R.sub.2 together may indicate .dbd.O, that is an oxygen double bonded to the 17 carbon;R.sub.2, R.sub.3 and R.sub.4 are each independently hydrogen or C.sub.1-6 alkyl;R.sub.5 and R.sub.6 are each independently hydrogen or OH;R.sub.5 and R.sub.6 together may indicate .dbd.O, that is an oxygen double bonded to the 11 carbon;R.sub.7 is hydrogen or C.sub.1-8 alkyl;R.sub.8 is C.sub.1-8 alkyl; andwith the proviso that, when R is OH, then R.sub.1 is hydrogen; and with the proviso that, when R.sub.5 is OH, then R.sub.6 is hydrogen.

    摘要翻译: 本发明公开了用于抑制类固醇5α-还原酶的下式的3-酮甾烷:其中R是OH,C 1 -C 6烷酰基,C 1 -C 6烷酰氧基,C 1 -C 4链烷醇,COCH 2 OH,CO 2 H,CONR 7 R 8,环丙氧基, 乙酰硫基烷烃,环氨基,2-2-二甲基二氧戊环-4-基,1,2-二羟乙基和C 1-4链烷硫醇; R1是氢,羟基或C1-6烷基; R1和R2一起可以表示= O,即与17碳双键结合的氧; R2,R3和R4各自独立地为氢或C1-6烷基; R5和R6各自独立地为氢或OH; R5和R6一起可以表示= O,即与11碳双键结合的氧; R7是氢或C1-8烷基; R8是C1-8烷基; 并且条件是当R是OH时,则R1是氢; 并且条件是当R5是OH时,则R6是氢。