Patent ID: 6903120

Claim:
A 4-(phenyl-N-alkyl)-piperidine compound of Formula 1: wherein: R 1 is selected from the group consisting of OSO 2 CF 3 , OSO 2 CH 3 , SOR 3 , SO 2 R 3 , COCH 3 , and COCH 2 CH 3 , wherein R 3 is as defined below; R 2 is selected from the group consisting of C 2 -C 4 branched or unbranched alkyls, terminal allyl, CH 2 CH 2 OCH 3 , CH 2 CH 2 CH 2 F, CH 2 CF 3 , 3,3,3-trifluoropropyl, and 4,4,4-trifluorobutyl, R 3 is selected from the group consisting of C 1 -C 3 alkyls, CF 3 , and N(CH 3 ) 2 ; or a pharmaceutically acceptable salt thereof, wherein the compound does not have a high binding affinity to sigma receptors.