申请人:ONO PHARMACEUTICAL CO., LTD.
公开号:EP1591441A1
公开(公告)日:2005-11-02
The present invention relates to a carboxylic acid compound of formula (I):
wherein R1 is H, alkyl; m is 2, 3; n is 0-2; R2 is phenyl, naphthyl, benzofuran, benzothiophene; Q is -CH2-O-Cycl, -CH2-Cyc2, -L-Cyc3; R3a and R3b each independently is hydrogen, alkyl or taken together form tetrahydro-2H-pyran; a pharmaceutically acceptable salt thereof, a method for producing a process of the preparation thereof and a pharmaceutical agent comprising the same as an active ingredient. The compound of formula (I) have an antagonizing activity against PGE2 receptor, specifically EP3 receptor which is subtype thereof, and are useful for the prevention and/or treatment of itching, pain, urinary disturbance or stress disease.
本发明涉及一种式(I)的羧酸化合物:
其中 R1 是 H、烷基;m 是 2、3;n 是 0-2;R2 是苯基、萘基、苯并呋喃、苯并噻吩;Q 是 -CH2-O-Cycl、-CH2-Cyc2、-L-Cyc3;R3a 和 R3b 各自独立地是氢、烷基或合在一起形成四氢-2H-吡喃;其药学上可接受的盐、其制备工艺的生产方法和包含其作为有效成分的药物制剂。式(I)化合物对 PGE2 受体,特别是其亚型 EP3 受体具有拮抗活性,可用于预防和/或治疗瘙痒、疼痛、排尿障碍或应激性疾病。