Novel 1-substituted-4-benzylpiperidines having .alpha.-substituents on the 4-benzyl moiety useful as antiinflammatory agents, sedatives, and tranquilizers are represented by the formula ##SPC1## Wherein R represents acetyl, aryloxyloweralkyl, aroylloweralkylcarbamoyl, N-lower-alkylcarbamoyl, N,N-dilower-alkylcarbamoyl, N-arylcarbamoyl, N-(.omega.-nitrogen containing heterocycle)lower-alkylcarbamoyl, N-(.omega.-aminolower-alkyl)carbamoyl, 2-hydroxy-3-(o-methoxyphenoxy)propyloxycarbamoyl, 2-carbamoylethyl, or 4-(p-fluorobenzoyl)piperidinoethyl; R.sup.1 represents hydrogen or hydroxy; R.sup.2 represents phenyl, p-fluorophenyl, m-trifluoromethylphenyl or cyclohexyl; Y represents hydrogen or fluorine with the proviso that when Y is hydrogen and R.sup.2 is phenyl, R is other than aroylloweralkyl. The pharmaceutically acceptable acid addition salts of the basic compounds of Formula I are included as part of the invention.
1-取代-
4-苄基哌啶类化合物,其4-苄基部分上具有α-取代基,可用作抗炎药、镇静剂和
安定剂,其
化学式如下所示:其中R代表乙酰基、芳氧基较低烷基、芳酰较低烷基甲酰基、N-较低烷基甲酰基、N,N-二较低烷基甲酰基、N-芳基甲酰基、N-(ω-含氮杂环)较低烷基甲酰基、N-(ω-
氨基较低烷基)甲酰基、2-羟基-3-(邻
甲氧基苯氧基)丙氧基甲酰基、2-
氨基乙酰基或4-(对-
氟苯甲酰基)
哌啶基乙基;R.sup.1代表氢或羟基;R.sup.2代表苯基、对-
氟苯基、间-三
氟甲基苯基或环己基;Y代表氢或
氟,但当Y为氢且R.sup.2为苯基时,R不是芳酰较低烷基。本发明还包括
化学式I的碱性化合物的药学上可接受的酸盐。