申请人:Pfizer Inc.
公开号:US05696146A1
公开(公告)日:1997-12-09
Compounds of formula (I) ##STR1## and the pharmaceutically acceptable base salts thereof, wherein R is --CO.sub.2 H or tetrazol-5 yl; R.sup.1 is C.sub.3 -C.sub.8 alkyl optionally substituted by fluoro; and R.sup.2 is C.sub.2 -C.sub.4 alkyl, together with compositions containing, uses of, process for the preparation of, and intermediates used in the preparation of, such compounds. The compounds have steroid 5.alpha.-reductase inhibitory activity and are useful for treating a disease such as benign prostatic hypertrophy.
公式(I)的化合物及其药用可接受的盐,其中R为--CO.sub.2 H或四唑-5基;R.sup.1为C.sub.3-C.sub.8烷基,可选择地被氟取代;R.sup.2为C.sub.2-C.sub.4烷基,以及含有这些化合物的组合物,用途,制备过程及制备过程中使用的中间体。这些化合物具有类固醇5α-还原酶抑制活性,并可用于治疗良性前列腺肥大等疾病。