N-aryl-N-[4-(heterocyclicalkyl) piperidinyl]amides and pharmaceutical compositions and methods employing such compounds
申请人:BOC, INC.
公开号:EP0396282A2
公开(公告)日:1990-11-07
Novel substituted N-aryl-N-[4-(1-heterocyclicalkyl)piperidinyl]amides useful as analgesics, of the formula:
including optically active isomeric forms, and the pharmaceutically acceptable acid addition salts thereof, wherein;
R is selected from the group consisting of phenyl and substituted phenyl, wherein said substituents are members independently selected from halogen, lower-alkoxy, and combinations thereof;
R₁ is a lower-alkyl group, lower-alkenyl group, or a lower-alkoxy lower alkyl having from 2 to 6 carbon atoms;
R₂ is a heterocyclic lower-alkyl ring system selected from the group consisting of pyrrolyl lower-alkyl, pyrazolyl lower-alkyl, imidazolyl lower-alkyl, imidazolinyl lower-alkyl, imidazolyl lower-thioalkyl, triazolyl lower-alkyl, triazolyl lower-thioalkyl, tetrazolyl lower-alkyl, tetrazolyl lower-thioalkyl, thienyl lower-oxyalkyl, thienyl lower- hydroxyalkyl, thien-3-yl lower-alkyl, furanyl lower-hydroxyalkyl, thiazolyl lower-alkyl, oxazolyl lower-alkyl, thiadiazolyl lower-alkyl, oxadiazolyl lower-alkyl, piperidinyl loweralkyl, pyrimidinyl lower- alkyl, pyridazinyl lower-alkyl, triazinyl lower-alkyl, indolyl lower-alkyl, isoindolyl lower-alkyl, benzimidazolyl lower-alkyl, benzopyrazolyl lower-alkyl, benzoxazolyl lower-alkyl, benzopyranyl lower-alkyl, benzodioxanyl lower-alkyl, benzothiazinyl lower-alkyl, quinazolinyl lower-alkyl, purinyl lower-alkyl, phthalimidyl lower-alkyl, naphthalenecarboxamidyl lower-alkyl, and naphthalenesulfamidyl lower-alkyl; and
R₃ is a member selected from the group consisting of hydrogen, lower-alkoxy carbonyl and lower-alkoxy methyl.
R₄ is a hydrogen atom or a methyl group;
可用作镇痛剂的新型取代 N-芳基-N-[4-(1-杂环烷基)哌啶基]酰胺,其式如下
包括光学活性异构体形式及其药学上可接受的酸加成盐,其中;
R 选自苯基和取代苯基组成的组,其中所述取代基独立地选自卤素、低级烷氧基及其组合;
R₁ 是具有 2 至 6 个碳原子的低级烷基、低级烯基或低级烷氧基;
R₂ 是杂环低级烷基环系,选自由吡咯低级烷基、吡唑低级烷基、咪唑低级烷基、咪唑啉低级烷基、咪唑低级硫代烷基、三唑低级烷基组成的组、三唑基低硫代烷基、四唑基低烷基、四唑基低硫代烷基、噻吩基低氧代烷基、噻吩基低羟代烷基、噻吩-3-基低烷基、呋喃基低羟代烷基、噻唑基低烷基、噁唑基低烷基、噻二唑基低烷基、噁二唑低级烷基、哌啶低级烷基、嘧啶低级烷基、哒嗪低级烷基、三嗪低级烷基、吲哚低级烷基、异吲哚低级烷基、苯并咪唑低级烷基、苯并吡唑低级烷基、苯并恶唑低级烷基、低级烷基苯并吡喃基、低级烷基苯并二恶烷基、低级烷基苯并噻嗪基、低级烷基喹唑啉基、低级烷基嘌呤基、低级烷基邻苯二甲酰亚胺基、低级烷基萘甲酰胺基和低级烷基萘磺酰胺基;和
R₃ 选自氢、低级烷氧基羰基和低级烷氧基甲基组成的组。
R₄ 是氢原子或甲基;