申请人:Kaken Pharmaceutical Co., Ltd.
公开号:EP0529365A1
公开(公告)日:1993-03-03
A piperidine derivative having the formula (I):
wherein R¹ and R², which may be the same or different from each other, are (i) a not-substituted phenyl group or a phenyl group substituted by a halogen atom, trifluoromethyl group, a C₁₋₅ alkyl group or a C₁₋₅ alkoxyl group, (ii) a C₃₋₇ cycloalkyl group, (iii) pyridyl group or (iv) thienyl group, R³ is (i) hydrogen atom, (ii) a halogen atom, (iii) a C₁₋₄ alkyl group or (iv) a C₁₋₄ alkoxyl group, R⁴ is (i) hydrogen atom or (ii) a C₁₋₄ alkyl group. R⁵ is (i) a not-substituted C₁₋₅ alkyl group or a C₁₋₅ alkyl group substituted by a halogen atom, (ii) phenyl group or (iii) thienyl group and Z is (i) a C₁₋₆ alkylene group, (ii) a C₂₋₆ alkenylene group or (iii) a C₃₋₆ alkynylene group or a pharmacologically acceptable salt thereof. According to the present invention, an anti-allergic agent and a therapeutic agent for ischemic heart disease without toxicity can be provided.
具有式 (I) 的哌啶衍生物:
其中 R¹ 和 R² 可以相同或互不相同,它们是 (i) 未被取代的苯基或被卤素原子、三氟甲基、C₁₋₅ 烷基或 C₁₋₅ 烷氧基取代的苯基、(ii) C₃₋₇环烷基, (iii) 吡啶基或 (iv) 噻吩基, R³ 是 (i) 氢原子, (ii) 卤素原子、(iii) C₁₋₄ 烷基或 (iv) C₁₋₄ 烷氧基,R⁴ 是 (i) 氢原子或 (ii) C₁₋₄ 烷基。R⁵ 是 (i) 未取代的 C₁₋₅ 烷基或被卤原子取代的 C₁₋₅ 烷基、(ii) 苯基或 (iii) 噻吩基,而 Z 是 (i) C₁₋₆ 亚烷基、(ii) C₂₋₆烯基或 (iii) C₃₋₆炔基或其药理学上可接受的盐。根据本发明,可以提供一种抗过敏剂和一种无毒性的缺血性心脏病治疗剂。