申请人:Anaquest, Inc.
公开号:US05100903A1
公开(公告)日:1992-03-31
This invention pertains to novel N-aryl-N-[N-substituted 3-alkoxy-4-piperidinyl]amides useful as analgesics, and methods of administering analgesia, which comprises the systemic administration to mammals of such compounds, and pharmaceutical compositions containing such compounds, wherein the novel compounds have the general formula: ##STR1## including optically active isomeric forms, cis/trans isomeric forms and the pharmaceutically acceptable acid addition salts thereof, wherein: R is an aryl group selected from the group consisting of phenyl and substituted phenyl, wherein the substituents on the phenyl group are independently selected from the group consisting of halogen, lower-alkyl, lower-alkoxy, and combinations thereof; R.sub.1 is an alkyl group selected from the group consisting of lower-alkyl, lower-alkenyl, and lower-alkoxy lower-alkyl, each alkyl group having from 1 to 6 carbon atoms; R.sub.2 is a member selected from the group consisting of phenyl lower-alkyl, thienyl lower-alkyl, pyrazolyl lower-alkyl, tetrazolyl lower-alkyl, 4,5-dihydro-5-oxo-1H-tetrazolyl lower-alkyl, 1,3-dihydro-1,3-dioxo-2H-isoindolyl lower-alkyl, and 2,3-dihydro-2-oxo-1H-benzimidazolyl lower-alkyl; and R.sub.3 is a member selected from the group consisting of hydrogen, lower-alkyl and lower-alkyl aryl.
本发明涉及一种新型N-芳基-N-[N-取代的3-烷氧基-4-哌啶基]酰胺,作为镇痛剂使用,以及镇痛剂的给药方法,包括将这些化合物系统地给哺乳动物进行静脉注射,以及含有这些化合物的制药组合物。其中,这些新型化合物具有以下通式:##STR1##包括对映异构体形式、顺反异构体形式和药学上可接受的酸加成盐。其中:R是选自苯基和取代苯基的芳基基团,其中苯基上的取代基独立地选自卤素、低碳基、低氧基和其组合;R.sub.1是选自低碳基、低烯基和低氧基低碳基的烷基基团,每个烷基基团具有1至6个碳原子;R.sub.2是选自苯基低碳基、噻吩基低碳基、吡唑基低碳基、四唑基低碳基、4,5-二氢-5-氧代-1H-四唑基低碳基、1,3-二氢-1,3-二酮-2H-异吲哚基低碳基和2,3-二氢-2-氧代-1H-苯并咪唑基低碳基的成员;R.sub.3是选自氢、低碳基和低碳基芳基的成员。