| abstract |
In the general formula (I) of the N- (cyanophenyl) uracil derivatives, R1 is a hydrogen or fish gene, R2 is a tube of formula (a) from which in the formula. A 1 is optionally substituted with C 1-6 alkylalkyl, C 2-6 alkenyl, C 3-6 cycloalkyl or phenyl, A3 is optionally substituted with C 1-6 alkyl or C 1-6 alkyl or C 1-6 alkoxycarbonyl or C 1-6 alkylphenyl, or C 2-6 alkenylcarbonyl, R 3 is hydrogen, or C 4 -C 4 alkyl, C 1-4 alkyl; Z is a ring of formula (b) or (c), of which R5 is a hydrogen atom or a C1-6 alkyl atom (or an anthogen only bond). ŕ |