| abstract |
These are derivatives of phenoxyacetic acid useful as herbicides of formula (I): R1 and R2 are hydrogen, alkyl, alkenyl, alkynyl, substituted cycloalkyl or CmH2m (phenyl) is, optionally: X is halogen, cyano, alkoxy- carbonyl, alkyl, alkenyl, alkynyl, cycloalkyl, alkoxy, alkylthio, alkylsulfinyl, alkylsulfonyl, hala-alkoxy-carbonyl, halo-alkyl, halo-alkenyl, halo-alkynyl, halocycloalkyl, halo-alkoxy, halo-alkylthio, halo-alkyl -sulfinyl, halo-alkyl-s ulfonyl, nitro, amino, alkyl-amino, di-alkyl-amino, phenoxy, alkyl-carbonylamino, carbamoyl, alkyl-carbamoyl, di-alkyl-carbamoyl or SF5; A is halogen, hydroxy, or A, and A is OR3, S (O) kR3; or has the formula (II) [(A-1) or (A-2)]: R3 is alkyl, alkenyl, alkynyl, cycloalkyl, phenyl, heteroaryl, alkylcarbonyl, alkenylcarbonyl, alkynylcarbonyl, cycloalkylcarbonyl, phenylcarbonyl, heteroalkylcarbonyl, cycloalkenyl, cycloalkenyl, cycloalkenylcarbonyl, CpH2p (phenyl), -Cq-H2q (heteroaryl), - (C1H2r) CO2-alkyl, - (C3H2s) -cycloalkyl, -CO (CtH2t) Y, - ( COCH2 (phenyl), - (CfH2f) O (phenyl), - (CgH2g) S (phenyl), or - (CjH2j) - O (CzH2z) (phenyl); m, n and k are zero, one odos; Y is phenyl, phenoxy, heteroaryl, phenylthio, alkoxy or heteroaryloxy, R4 rs hydrogen, cyano, alkyl, alkenyl, alkynyl, cycloalkyl, phenyl or heteroaryl, R5 is alkyl, alkenyl, alkynyl, cycloalkyl, phenyl, alkoxy, alkenyloxy, alkynyloxy , cycloalkyloxy, heteroaryl xi, cycloalkenyloxy, heteroaryl -CyH2y- (phenyl), - OCwH2w (phenyl), - (CxH2x) O (phenyl), alkylthio, phenylthio, -SCyH2y- (phenyl) or phenoxy, f, g, j, p, q, r, s, t, u, v, w, x, y and z are one or two, isomer-geometric and an agriculturally acceptable salt thereof. |