申请人:Eisai Co., Ltd.
公开号:US06498159B1
公开(公告)日:2002-12-24
The present invention provides a phthalazine compound as a therapeutic agent for erectile dysfunction represented by the following formula, a pharmacologically acceptable salt thereof or a hydrate thereof:
wherein R1 and R2 are the same as or different from each other and represent a halogen atom, a C1 to C4 alkyl group which may be substituted with a halogen atom, a C1 to C4 alkoxy group which may be substituted with a halogen atom or a cyano group; X represents a cyano group, a nitro group, a halogen atom, a hydroxyimino group which may be substituted or a heteroaryl group which may be substituted; Y represents a heteroaryl group, an aryl group which may be substituted, an alkynyl group which may substituted, an alkenyl group, an alkyl group, an optionally substituted saturated or unsaturated 4- to 8-membered amine ring, and the cyclic amine compound is a monocyclic compound, bicyclic compound or a spiro compound; l is an integer of 1 to 3; provided that the case where l is 1 or 2, X is a cyano group, a nitro group or a chlorine atom, R1 is a chlorine atom, R2 is a methoxy group and Y is a 5- or 6-membered amine ring substituted with a hydroxyl group is excluded.
本发明提供了一种邻苯二氮杂环化合物,作为下式所代表的勃起功能障碍的治疗剂,其药理学上可接受的盐或水合物:
其中R1和R2相同或不同,分别代表卤素原子、可能被卤素原子取代的C1到C4烷基、可能被卤素原子取代的C1到C4烷氧基或氰基;X代表氰基、硝基、卤素原子、可能被取代的羟基亚胺基团或可能被取代的杂芳基团;Y代表杂芳基团、可能被取代的芳基团、可能被取代的炔基团、烯基团、烷基团、可选择地取代的饱和或不饱和的4-至8-成员氨基环,且环状胺化合物是单环化合物、双环化合物或螺环化合物;l为1到3的整数;但在l为1或2的情况下,X为氰基、硝基或氯原子,R1为氯原子,R2为甲氧基团,Y为取代羟基的5-或6-成员氨基环的情况除外。