申请人:Pfizer Inc
公开号:US06048864A1
公开(公告)日:2000-04-11
Compounds of formula I, ##STR1## wherein R.sup.1 represents C.sub.1-4 alkoxy optionally substituted by one or more fluorine atoms; R.sup.2 and R.sup.3 independently represent H or C.sub.1-6 alkoxy (which is optionally substituted); R.sup.4 represents a 4-, 5-, 6- or 7-membered heterocyclic ring, the ring being optionally fused to a benzene ring or a 5- or 6-membered heterocyclic, the ring system as a whole being optionally substituted; X represents CH or N; and L is absent, or represents a cyclic group of formula Ia, ##STR2## or represents a chain of formula Ib, ##STR3## and pharmaceutically acceptable salts thereof, are useful in therapy, in particular in the treatment of benign prostatic hyperplasia.
式I的化合物,其中R.sup.1代表C.sub.1-4烷氧基,可选地取代一个或多个氟原子;R.sup.2和R.sup.3独立地代表H或C.sub.1-6烷氧基(可选地取代);R.sup.4代表4、5、6或7成员杂环,该环可选地与苯环或5-或6成员杂环融合,整个环系统可选地取代;X代表CH或N;L不存在,或代表式Ia的环状基团,或代表式Ib的链状基团,以及其药学上可接受的盐,在治疗中很有用,特别是在治疗良性前列腺增生方面。