4,5-dihydro-[1H]-benz[g]indazole-3-carboxylic acid derivatives
申请人:Teikoku Hormone Mfg. Co., Ltd.
公开号:US06291485B1
公开(公告)日:2001-09-18
4,5-Dihydro-[1H]-benz[g]indazole-3-carboxylic acid derivatives represented by the following formula, or their salts, have excellent antagonism to endothelin receptors and are useful as preventives or remedies for diseases such as hypertension, angina pectoris, myocardial infarction, brain infarction, cerebrovascular contraction, renal insufficiency, hepatic dysfunction, arteriosclerosis and post-PTCA restenosis.
wherein Ar represents an optionally substituted aryl group, and R1 represents a hydrogen atom, an optionally substituted lower alkyl group, an optionally substituted aryl group, an optionally substituted cycloalkyl group or an optionally substituted heterocyclic group.
以下公式所代表的4,5-二氢-[1H]-苯[g]吲唑-3-羧酸衍生物,或其盐,对内皮素受体具有出色的拮抗作用,并可用作预防或治疗高血压、心绞痛、心肌梗死、脑梗死、脑血管收缩、肾功能不全、肝功能障碍、动脉硬化和PTCA术后再狭窄等疾病的药物。其中Ar代表可选择取代的芳基,R1代表氢原子、可选择取代的较低烷基、可选择取代的芳基、可选择取代的环烷基或可选择取代的杂环基。