A carboxylic acid derivative of formula (I)
wherein R1 is COOH, COOR6 etc.; A is alkylene etc.; R2 is alkyl, alkenyl, alkynyl etc.; B is carbocyclic ring or heterocyclic ring; R4 is alkyl, cycloalkyl etc.; R5 is carbocyclic ring or heterocyclic ring;
or non-toxic salts thereof, a process for the preparation thereof and a pharmaceutical agent comprising the same as active ingredient.
The compound of the formula (I) can bind to Prostaglandin E2 receptors, especially, EP3 receptor and/or EP4 receptor and show the antagonizing activity, and useful for the prevention and/or treatment of disease, for example, pain, allergy, Alzheimer' s disease, cancer.
式(I)的
羧酸衍
生物
其中 R1 是 COOH、COOR6 等;A 是亚烷基等;R2 是烷基、烯基、炔基等;B 是碳环或杂环;R4 是烷基、环烷基等;R5 是碳环或杂环;
或其无毒盐、其制备方法以及以其为活性成分的药物制剂。
式(I)化合物可与
前列腺素 E2 受体,特别是 EP3 受体和/或 EP4 受体结合并显示出拮抗活性,可用于预防和/或治疗疾病,例如疼痛、过敏、老年痴呆症、癌症。