18-lower alkyl 20-keto-pregnanes
    51.
    发明授权
    18-lower alkyl 20-keto-pregnanes 失效
    18-LARK ALLY 20-KETO-PREGNANES

    公开(公告)号:US3696129A

    公开(公告)日:1972-10-03

    申请号:US3696129D

    申请日:1970-10-09

    申请人: SYNTEX CORP

    发明人: EDWARDS JOHN A

    IPC分类号: C07J1/00 C07J75/00 C07C169/34

    CPC分类号: C07J1/00 C07J75/00

    摘要: 18-Lower alkyl androstenes are prepared by a sequence of steps from 3 Beta , 20 Beta -dihydroxypregn-5-en-18-oic acid 18,20lactone 3-acetate. The method proceeds through novel 18-lower alkyl pregnane intermediate compounds. These compounds are useful as intermediates and also possess antiestrogen activity. The 18lower androstene products possess various useful steroidal activities.

    摘要翻译: 18-低级烷基雄甾烯由3β,20β-二羟基孕-5-烯-18-酸18,20-内酯3-乙酸酯的步骤顺序制备。 该方法通过新的18-低级烷基孕烷中间体化合物进行。 这些化合物可用作中间体并且还具有抗雌激素活性。 18-降胆固醇产品具有各种有用的甾体活性。