Patent ID: 7482462

Claim:
A compound of formula wherein R 1 is phenyl or naphthyl, which is unsubstituted or substituted with 1 to 5 substituents selected from the group consisting of halogen, nitro, di(C 1-4 )alkylamino, cyano, (C 1-6 )alkyl, (C 1-4 )haloalkyl, unsubstituted phenylcarbonylamino(C 1-4 )alkyl, (C 1-4 )alkoxy, (C 1-4 )haloalkoxy, aminocarbonyl, di(C 1-4 )alkylaminocarbonyl, (C 1-4 )alkylcarbonyl, (C 1-4 )alkoxycarbonyl, unsubstituted phenyl, carboxyl, and phenyl-substituted phenylcarbonylamino(C 1-4 )alkyl or substituted phenyl, wherein the phenyl-substitutents are selected from the group consisting of halogen, nitro, di(C 1-4 )alkylamino, cyano, (C 1-6 )alkyl, (C 1-4 )haloalkyl, (C 1-4 )alkoxy, (C 1-4 )haloalkoxy, aminocarbonyl, di(C 1-4 )alkylaminocarbonyl, (C 1-4 )alkylcarbonyl, (C 1-4 alkoxycarbonyl and carboxyl; R 2 is a group of formula X is selected from (C 1-8 )alkoxycarbonyl and phenyl, which phenyl group is substituted with 0 to 5 substituents selected from the group consisting of halogen, nitro, di(C 1-4 )alkylamino, cyano, (C 1-6 )alkyl, (C 1-4 )haloalkyl, (C 1-4 )alkoxy, (C 1-4 )haloalkoxy, aminocarbonyl, di(C 1-4 )alkylaminocarbonyl, (C 1-4 )alkylcarbonyl, (C 1-4 )alkoxycarbonyl and carboxyl; and m and n are 0.