| abstract |
The present invention is the following general formula (1)n n n n n n n n [Wherein, R 1 and R 2 are the same as or different from each other, and represent a hydrogen atom, a lower alkyl group, etc., and R 3 represents a hydrogen atom or a group-(CR 4 R 5 ) n -Y, wherein R 4 and R 5 are A hydrogen atom or a lower alkyl group, Y represents a group -COOR 6 , -CONR 7 R 8 , -OR 9 or -OCOR 10 (wherein R 6 , R 9 and R 10 are each a hydrogen atom, a lower alkyl group, or the like); R 7 and R 8 are the same as or different from each other, and represent a hydrogen atom, a lower alkyl group, or the like), and n represents a number of 1 to 6). A phenylpiperidine derivative or salt thereof is disclosed.n n n This compound exhibits good peripheral analgesic action. |