| abstract |
The invention concerns novel compounds of the formula I wherein: nW are selected from alkyl, alkenyl and alkynyl;nX are selected from halogen, nitro, cyano, alkyl, substituted alkyl, hydroxy, alkoxy, substituted alkoxy, alkenyl, alkynyl, alkenyloxy, alkynyloxy, acyloxy, alkoxycarbonyl, alkylthio, alkylsulfinyl, alkylsulfonyl, sulfamoyl, substituted sulfamoyl, amino, substituted amino, and the groups formyl and alkanoyl and the oxime, imine and Schiff base derivatives thereof, and an alkylene group which bridges two adjacent carbon atoms of the benzene ring;nR1 is selected from hydrogen, alkyl, alkenyl, alkynyl, substituted alkyl, alkylsulfonyl, arylsulfonyl, acyl and an inorganic or organic cation;nR2 is selected from alkyl, substituted alkyl, alkenyl, haloalkenyl, alkynyl and haloalkynyl;nR3 is selected from alkyl, fluoroalkyl, alkenyl, alkynyl, and phenyl;np is zero or an integer selected from 1 to 4;nn is zero or an integer selected from 1 to 3; andnm is zero or an integer selected from 1 to 3.nThe compounds of the invention show cereal selective herbicidal properties and plant growth regulating properties and in further embodiments the invention provides processes for the preparation of the compounds of formula I, intermediates useful in the preparation of the compounds of formula I, compositions containing as active ingredient a compound of formula 1, and herbicidal and plant growth regulating processes utilizing compounds of formula I. |