TREATMENT OF HERBICID CONTAINING CULTURES WITH DERIVATIVES OF DICHLOROACETAMIDE OR OF THRICHLOROACETAMIDE, NOVEL DERIVATIVES OF DICHLOROACETAMIDE OR TRICHLOROACETAMIDE AND PROCESS FOR THEIR PREPARATION

摘要

The compounds of the formula: (I) in which R1 represents a dichloromethyl or trichloromethyl group, X1 represents a chlorine or fluorine atom, X2 represents a chlorine or fluorine atom, X3 represents a hydrogen, chlorine or fluorine atom, R2 represents an amino group NH2 or a group, in which R3 represents a hydrogen atom or an alkyl, haloalkyl, alkenyl, haloalkenyl, arylalkyl, arylhaloalkyl, cycloalkyl, halocycloalkyl, alkoxyalkyl, haloalkoxyalkyl or aryl group, this latter being unsubstituted or substituted by one or two halogen atoms or by an alkyl, alkoxy, nitro or haloalkyl group are antidotes against herbicides.