1,2,4,5-Tetra-alkyl-4-arylpiperidines, their production and pharmaceutical preparations containing same
申请人:ELI LILLY AND COMPANY
公开号:EP0013078A2
公开(公告)日:1980-07-09
Compounds of formula
wherein
R' is hydrogen, hydroxy or methoxy,
R2, R3 and R4 independently are C1-C5 alkyl;
R. is C1-C10 alkyl, benzyl or CH2R6, in which R6 is C2-7 alkenyl or C3-C6 cycloalkyl; the pharmaceutically acceptable acid addition and quaternary piperidinium salts thereof, are potent analgesics. Pharmaceutical formulations containing such compounds, a method for effecting anaigesia, intermediates and a process for preparing such compounds, are provided.