Patent ID: 7494996

Claim:
The compound of the formula: wherein R 1 is (C 1 -C 10 )alkyl, halo(C 1 -C 4 )alkyl, (C 2 -C 6 )alkenyl, (C 2 -C 6 )alkynyl, cyclo(C 3 -C 6 )alkyl(C 1 -C 2 )alkyl, tri(C 1 -C 4 )-alkylsilyl (C 1 -C 2 )alkyl where the three alkyl groups may be the same or different, R 3 is phenyl, naphthyl, or phenyl or naphthyl substituted with from one to three substituents independently selected from the group consisting of halo, (C 1 -C 4 )alkyl, halo(C 1 -C 2 )alkyl and halo(C 1 -C 2 )alkoxy, R 4 is a hydrogen atom, (C 1 -C 4 )alkylsulfonyl, (C 1 -C 4 )alkoxy-carbonylthio, (C 2 -C 4 )alkenyloxycarbonyl, (C 2 -C 6 )alkynyl, (C 2 -C 4 )alkynyloxycarbonyl, (C 1 -C 4 )alkoxyoxalyl, or may form C═N when taken together with X 5 , R 5 is a hydrogen atom, (C 1 -C 4 )alkoxy or (C 1 -C 4 )alkylthio, Z is an oxygen atom or a sulfur atom, and X 5 is a hydrogen atom or taken together with R 4 forms C═N, with the proviso that when X 5 and R 4 form C═N, R 3 is not phenyl.