| abstract |
Compounds of formula <IMAGE> wherein: m is 1 to 4; n is 0 to 4; X are selected from halogen, nitro, cyano, alkyl, substituted alkyl, hydroxy, alkoxy, alkylthio, sulfamoyl, substituted sulfamoyl, amino, substituted amino, the group -(CH2)pC(=A)Z in which p is zero or one A is oxygen or sulfur, and Z is hydrogen, hydroxy, alkoxy, alkylthio, alkyl, substituted alkyl, amino or substituted amino; the group -NHC(=B)NR<7>R<8> in which B is oxygen or sulfur and R<7> and R<8> are hydrogen or alkyl; R<1> is hydrogen, acyl or an inorganic or organic cation; R<2> is alkyl, substituted alkyl, alkenyl, haloalkenyl, alkynyl or haloalkynyl; R<3> is alkyl, fluoroalkyl, alkenyl, alkynyl, or phenyl; and R<4> is hydrogen, halogen, alkyl, cyano or alkoxycarbonyl. |