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,其药学上可接受的盐或
水合物:其中,R1和R2相同或不同,表示卤素原子,C1到C4烷基,其可以被卤素原子取代,C1到C4烷氧基,其可以被卤素原子取代或
氰基;X表示
氰基,硝基,卤素原子,氢氧
亚胺基,其可以被取代或取代的杂环基;Y表示杂环基,芳基,其可以被取代的炔基,烯基,烷基,可选取代的饱和或不饱和4-至8元环胺环,且环胺化合物是单环化合物,
双环化合物或
螺环化合物;l为1至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为取代了羟基的5或6元环胺环时,不在本发明的范围内。