申请人:Eisai Co., Ltd.
公开号:US20030105074A1
公开(公告)日:2003-06-05
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:
1
wherein R
1
and R
2
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, R
1
is a chlorine atom, R
2
is a methoxy group and Y is a 5- or 6-memberred amine ring substituted with a hydroxyl group is excluded.
本发明提供了一种治疗勃起功能障碍的邻苯二氮杂环化合物,其化学式如下,其药理学上可接受的盐或水合物:1其中,R1和R2相同或不同,表示卤素原子、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表示氰基、硝基、卤素原子、可能被取代的羟肟基或可能被取代的杂环基;Y表示杂环基、可能被取代的芳基、可能被取代的炔基、烯基、烷基、可选取代的饱和或不饱和4-至8环胺环,所述的环胺化合物是单环化合物、双环化合物或螺环化合物;l是1到3的整数;但当l为1或2时,X为氰基、硝基或氯原子,R1为氯原子,R2为甲氧基,Y为取代有羟基的5-或6环胺环时,不在此范围内。