HERBICIDE OF THE N- (PHOSPHONOMETHYLGLYCYL) SULFONYLAMINES CHEMICAL COMPOUNDS

摘要

Herbicidal compounds of formula: IMAGE (I) in which R1 denotes an optionally halogenated alkyl radical containing from 1 to 4 carbon atoms, R denotes the hydrogen atom or an alkyl group containing from 1 to 4 carbon atoms, R2 denotes the hydrogen atom or R21, R21 and R3 denotes optionally substituted aryl radicals, R4 denotes a hydrogen atom or a hydrogenolysable group R8, and the agriculturally acceptable salts of these compounds.