申请人:Richter Gedeon Vlcyeszeti Gyar Rt.
公开号:US05118693A1
公开(公告)日:1992-06-02
The invention relates to novel, therapeutically active 4,4-disubstituted piperidine derivatives of the formula (I), ##STR1## wherein R.sup.1 means hydrogen or --CONHR group, wherein R stands for hydrogen, C.sub.1-12 alkyl, C.sub.3-6 cycloalkyl, carbocyclic C.sub.6-10 aryl or carbocyclic C.sub.6-10 aryl-C.sub.1-4 alkyl group, the latter two being optionally substituted on their aromatic moiety by one or more, same or different halogen(s) or one of more C.sub.1-4 alkyl or C.sub.1-4 alkoxy group(s); R.sup.2 stands for an ethynyl or acetyl group; R.sup.3 and R.sup.4, which are the same or different, represent hydrogen, one or more halogen(s), C.sub.1-4 alkyl, C.sub.1-4 alkoxy, trihalomethyl group or hydroxyl group optionally esterified by a C.sub.1-4 alkanoic acid; and n is 1 or 2, as well as their pharmaceutically acceptable acid addition and quaternary ammonium salts.
本发明涉及一种新型的治疗活性4,4-二取代哌啶衍生物,其化学式为(I):##STR1## 其中R.sup.1表示氢或--CONHR基团,其中R代表氢,C.sub.1-12烷基,C.sub.3-6环烷基,碳环C.sub.6-10芳基或碳环C.sub.6-10芳基-C.sub.1-4烷基基团,后两者在其芳香基上选择性地被一个或多个相同或不同的卤素或一个或多个C.sub.1-4烷基或C.sub.1-4烷氧基取代;R.sup.2代表一个乙炔基或乙酰基基团;R.sup.3和R.sup.4,它们相同或不同,表示氢,一个或多个卤素,C.sub.1-4烷基,C.sub.1-4烷氧基,三卤甲基基团或羟基基团,可选地酯化为C.sub.1-4脂肪酸;n为1或2,以及它们的药学上可接受的酸加合物和季铵盐。