申请人:Pharmacia & Upjohn, S.p.A.
公开号:US06114345A1
公开(公告)日:2000-09-05
Compounds of formula (I), wherein: the symbol ---- represents a single or a double bond; R is a hydrogen atom or a C.sub.1 -C.sub.4 alkyl group; R.sub.f and R'.sub.f, each independently, are C.sub.1 -C.sub.4 alkyl groups substituted by one or more fluorine atoms; and R.sub.1 and R.sub.2, each independently, are selected from: a hydrogen atom; a phenyl group; a C.sub.1 -C.sub.4 alkyl group unsubstituted or substituted by one or more fluorine atoms; a halogen atom; a cyano (CN) group; a group OR.sub.4, wherein R.sub.4 is a hydrogen atom or a C.sub.1 -C.sub.4 alkyl group; a group SR.sub.5, wherein R.sub.5 is a hydrogen atom or a C.sub.1 -C.sub.4 alkyl group; and a group COR.sub.6, wherein R.sub.6 is a group OR.sub.4 in which R.sub.4 is as defined above or a C.sub.1 -C.sub.4 alkyl group unsubstituted or substituted by one or more fluorine atoms. They are useful as testosterone 5a-reductase inhibitors.
式(I)的化合物,其中:符号----表示单键或双键;R是氢原子或C.sub.1-C.sub.4烷基基团;R.sub.f和R'.sub.f各自独立地是C.sub.1-C.sub.4烷基基团,被一个或多个氟原子取代;R.sub.1和R.sub.2各自独立地选择自:氢原子;苯基;未取代或被一个或多个氟原子取代的C.sub.1-C.sub.4烷基基团;卤素原子;氰基(CN)基团;OR.sub.4基团,其中R.sub.4是氢原子或C.sub.1-C.sub.4烷基基团;SR.sub.5基团,其中R.sub.5是氢原子或C.sub.1-C.sub.4烷基基团;以及COR.sub.6基团,其中R.sub.6是OR.sub.4基团,其中R.sub.4如上所定义,或未取代或被一个或多个氟原子取代的C.sub.1-C.sub.4烷基基团。它们可用作睾酮5α-还原酶抑制剂。