发明授权
US06150355A Phenylpiperidine derivative 失效
苯基哌啶衍生物

Phenylpiperidine derivative
摘要:
A phenylpiperidine derivative or pharmaceutical acceptable salt thereof represented by formula (I): ##STR1## wherein X represents CH or N; Y--Z represents CH.sub.2 --O, CH.sub.2 --S, CH.sub.2 --CH.sub.2, CH.dbd.CH or CONR.sup.5 (wherein R.sup.5 represents hydrogen or lower alkyl); R.sup.1 represents hydrogen, lower alkyl, halogen, lower alkoxy or trifluoromethyl; and R.sup.2, R.sup.3 and R.sup.4 are the same or different and each represents hydrogen, lower alkyl or QR.sup.6 (wherein Q represents a single bond or lower alkylene, and R.sup.6 represents hydroxy, lower alkoxyalkoxy, lower alkoxy, lower alkylthio, nitro, halogen, lower alkanoyloxy, lower alkoxycarbonyl, lower alkanoyl or carboxyl).The present invention provides novel phenylpiperidine derivatives useful as analgesics.
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