| abstract |
The present invention relates to a phenacylamine derivative of the formula (I) or a salt thereof: n nwherein A is alkyl, cycloalkyl, phenyl which may be substituted by Y, pyridyl which may be substituted by Y, or pyrazolyl which may be substituted by Y, R 1 and R 2 are each alkyl, or R 1 and R 2 may together form a 3- to 6-membered saturated carbocycle, R 3 is hydrogen, alkyl, alkoxyalkyl, alkylthioalkyl or COR 4 , X is halogen, alkyl, haloalkyl, alkenyl, haloalkenyl, alkynyl, haloalkynyl, alkoxy, haloalkoxy, alkenyloxy, haloalkenyloxy, alkynyloxy, haloalkynyloxy, alkylthio, haloalkylthio, alkenylthio, haloalkenylthio, alkynylthio, haloalkynylthio, alkylsulfinyl, haloalkylsulfinyl, alkylsulfonyl, haloalkylsulfonyl, dialkylaminosulfonyl, nitro, cyano, phenyl which may be substituted by Y, phenoxy which may be substituted by Y, benzyloxy which may be substituted by Y, or pyridyloxy which may be substituted by Y, and n is an integer of from 0 to 5. |