申请人:Sankyo Company, Limited
公开号:US05294623A1
公开(公告)日:1994-03-15
Compounds of formula (I): ##STR1## in which: R.sup.1 and R.sup.2 are independently alkyl, alkoxy, trifluoromethyl, nitro or halogen; A is an aliphatic hydrocarbon group having from 2 to 8 carbon atoms whose chain contains at least 2 carbon atoms in a linear chain between the piperidine group and --COOH, said group optionally being unsaturated; and m and n are independently 0, 1, 2 or 3; and pharmaceutically acceptable salts and esters thereof have been found to have valuable anti-histamine properties without the usual side effects of anti-histamines. Methods of preparing the compounds are also provided.
化合物的式子(I):##STR1## 其中:R.sup.1和R.sup.2分别是烷基,烷氧基,三氟甲基,硝基或卤素;A是具有2到8个碳原子的脂肪烃基,其链在哌啶基和--COOH之间至少包含2个碳原子的线性链,该基团可以是不饱和的;m和n独立地为0,1,2或3;其制备的药学上可接受的盐和酯具有有价值的抗组胺性能,而没有抗组胺剂的常见副作用。还提供了制备这些化合物的方法。