PHENOXY- ET THIOPHENOXYNITRILES ET LEURS APPLICATIONS EN TANT QU'HERBICIDES

• Main Author: JOSEPH SCHAPIRA, JACQUES PECHEUR ET ROBERT JACQUIER
• Format: Patent
• Language: French
• Published: 14.08.1980
• Subjects: ACYCLIC OR CARBOCYCLIC COMPOUNDS; AGRICULTURE; ANIMAL HUSBANDRY; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES, AS HERBICIDES; CHEMISTRY; FISHING; FORESTRY; HUMAN NECESSITIES; HUNTING; METALLURGY; ORGANIC CHEMISTRY; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS; PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTSTHEREOF; TRAPPING

L'invention a pour objet des phénoxy- et thiophénoxynitriles. Les phénoxy- et thiophénoxynitriles conformes à l'invention sont représentés par la formule générale : Phenoxy- and thiophenoxynitriles, which are efficient herbicides, conform to the general formula:- R1 is a hydrogen or halogen atom or an alkyl of haloalkyl radical having 1-4 carbon atoms; R2 and R3 represent hydrogen, an alkyl radical having 1-4 carbon atoms, or a phenyl radical optionally substituted by (R1)n; R4 and R5 either are each defined similarly to R2 and R3 or together with the conjoining carbon atom form a 5- 6- or 7-membered polymethylene ring, provided however that when one of R4 and R5 is hydrogen the other is not CH3; Y is defined similarly to R1 or is the group (wherein X is -O, -S- or-CH2-, and R6 is defined similarly to R1 or may be an NO2 or CN group); Z is sulphur or when Y represents the group of formula II can also be oxygen; and n and n1 are 0-3. These compounds are new but their preparation is conventional. Preferred herbicidal formulations and treatments are disclosed.