Herbicide composition

C - Chemistry – Metallurgy – 07 – C

Patent

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Details

71/11.1, 260/475

C07C 69/92 (2006.01) A01N 37/40 (2006.01) A01N 39/02 (2006.01) C07C 69/94 (2006.01)

Patent

CA 2006410

The invention relates to a novel herbicide composition, which comprises the (S) enantiomer or racemate of a compound of the general formula (I), (I) Image wherein R stands for a methyl or ethyl group, as active ingredient in an amount of 0.01 to 95% by weight together with one or more solid and/or liquid carrier(s), preferably grist(s) of native or synthetic material(s) and/or with inert solvent(s), preferably xylene(s) and/or cyclo-hexanone; and optionally with surface active agent(s), preferably anionic and/or nonionic emulsifying or dispersing agent(s). The invention further relates to the above compounds of the general formula (I) as well as to a process for the preparation thereof. The compounds according to the invention possess an outstanding herbicidal effect (over 90%) and advantageous selectivity threshold values against cultivated plants.

L'invention concerne une nouvelle composition d'herbicide qui comprend, comme ingrédient actif, l'énantiomère (S) ou le racémate d'un composé de formule générale (I), (I) Image où R correspond à un groupe méthyle ou éthyle, dans une quantité de 0,01 à 95 % en poids, combiné à un ou plusieurs porteurs solides et/ou liquides, préférablement des broyats de matières naturelles ou synthétiques et/ou à un ou des solvants inertes, préférablement du xylène et/ou de la cyclohexanone; et facultativement à un ou des agents tensio-actifs, préférablement des agents anioniques et/ou non ioniques émulsifiants ou dispersants. L'invention concerne également les composés de formule générale (I) mentionnés ci-dessus ainsi qu'un procédé pour la préparation de ces derniers. Les composés visés par l'invention possèdent un effet herbicide exceptionnel (plus de 90 %) et des valeurs seuils de sélectivité avantageuses à l'égard des plantes cultivées.

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