申请人:Schering Corporation
公开号:US04185101A1
公开(公告)日:1980-01-22
1,3,5(10),6,8-19-Nor-pregnapentaene-20-ones exhibit anti-mitotic activity with minimal or no hormonal activity. They are particularly useful in the treatment and control of psoriasis when applied topically, preferred anti-psoriatic compounds being 1,3,5(10),6,8-19-nor-pregnapentaene-3,17.alpha.,21-triol-20-one 21-acetate and the 16.alpha.-methyl and 16.beta.-methyl analogs thereof. The 1,3,5(10),6,8-19-nor-pregnapentaene-20-ones are also useful as intermediates in the preparation of the corresponding 14-dehydro compounds which also exhibit anti-mitotic activity as described and claimed in copending application Ser. No. 819,182 filed July 26, 1977 of Richard W. Draper and Charles J. Casmer of common assignee as this application, and now abandoned.
1,3,5(10),6,8-19-去孕五烯-20-酮具有最小或没有激素活性的抗有丝分裂活性。当局部应用时,它们特别有用于牛皮癣的治疗和控制,首选的抗牛皮癣化合物是1,3,5(10),6,8-19-去孕五烯-3,17α,21-三醇-20-酮21-乙酸酯和其16α-甲基和16β-甲基类似物。1,3,5(10),6,8-19-去孕五烯-20-酮也可用作制备相应的14-去氢化合物的中间体,这些化合物如同本申请的共同申请人Richard W. Draper和Charles J. Casmer于1977年7月26日提交的申请号为819,182的申请中所述和声明,并已被弃用。