申请人:Fujisawa Pharmaceutical Co., Ltd.
公开号:US05312829A1
公开(公告)日:1994-05-17
A compound of the formula: ##STR1## wherein R.sup.1 is carboxy or pharmaceutically acceptable salts and esters thereof; R.sup.2 is hydrogen, lower alkyl or halogen; R.sup.3 is phenyl, naphthyl, phenyl or naphthyl each substituted by from one to three C.sub.1-6 alkyl groups, mono-, di- or triphenyl (C.sub.1-6)alkyl; or substituted mono-, di- or triphenyl (C.sub.1-6) alkyl; A is lower alkylene which may be substituted by oxo or lower alkenylene, Q is carbonyl or lower alkylene, X is ##STR2## in which R.sup.4 is hydrogen or C.sub.1-6 alkyl, and R.sup.5 is hydrogen, C.sub.1-6 alkyl or Y--Z--R.sup.3, Y is a bond or lower alkylene, Z is lower alkylene ##STR3## in which R.sup.6 is hydrogen, (C.sub.1 -C.sub.6) alkyl, mono-, di- or triphenyl(C.sub.1-10) alkyl, C.sub.1-6 alkyl or lower alkoxycarbonyl substituted mono-, di- or triphenyl(C.sub.1-6)alkyl or pharmaceutically acceptable carboxylic acid acyl, and pharmaceutically acceptable salts thereof. The compound is useful as a testosterone 5.alpha.-reductase inhibitor.
式为:##STR1##其中,R.sup.1为羧基或药学上可接受的盐和酯;R.sup.2为氢、低碳基或卤素;R.sup.3为苯基、萘基、苯基或萘基,每个基上被1至3个C.sub.1-6碳基取代,单、二或三苯基(C.sub.1-6)碳基或取代的单、二或三苯基(C.sub.1-6)碳基;A为低碳基,可以被氧代或低烯基取代;Q为羰基或低碳基;X为##STR2##其中,R.sup.4为氢或C.sub.1-6碳基,R.sup.5为氢、C.sub.1-6碳基或Y--Z--R.sup.3,Y为键或低碳基,Z为低碳基##STR3##其中,R.sup.6为氢、(C.sub.1-C.sub.6)碳基、单、二或三苯基(C.sub.1-10)碳基、C.sub.1-6碳基或取代的单、二或三苯基(C.sub.1-6)碳基或药学上可接受的羧酸酰基,以及其药学上可接受的盐。该化合物可用作睾酮5α-还原酶抑制剂。