FLUCARBAZONE SODIUM HEMIHYDRATE METHOD AND COMPOSITION

A flucarbazone sodium hemihydrate method and composition. A method of suppressing growth of grass and broadleaf weeds is described including applying to said weeds at least one dust-free composition comprising flucarbazone sodium-hemihydrate as an active ingredient. A method for preparing flucarbazo...

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Bibliographische Detailangaben
Hauptverfasser:	LARSON, CHRISTOPHER L, GIBB, CAMERON SEATH, PRASAD, VIC
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	AGRICULTURE ANIMAL HUSBANDRY BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES, AS HERBICIDES CHEMISTRY FISHING FORESTRY HETEROCYCLIC COMPOUNDS 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
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Beschreibung
Zusammenfassung:	A flucarbazone sodium hemihydrate method and composition. A method of suppressing growth of grass and broadleaf weeds is described including applying to said weeds at least one dust-free composition comprising flucarbazone sodium-hemihydrate as an active ingredient. A method for preparing flucarbazone sodium-hemihydrate is also described including treating 4,5-dihydro-3-methoxy-4-methyl-5-oxo-N-[[2-(trifluoromethoxy)phenyl]sulfonyl]-1H-1,2,4-triazole-1-carboxamide (MSU) with aqueous sodium hydroxide under pH-controlled conditions; and confirming that a hemihydrate flucarbazone sodium has been obtained. L'invention concerne un procédé et une composition de semi-hydrate de flucarbazone-sodium. L'invention concerne un procédé de suppression de la croissance d'herbe et de mauvaises herbes à feuilles larges, consistant à appliquer sur lesdites mauvaises herbes au moins une composition exempte de poussière comprenant du semi-hydrate de flucarbazone-sodium en tant que principe actif. L'invention concerne également un procédé de préparation de semi-hydrate de flucarbazone-sodium consistant à traiter du 4,5-dihydro-3-méthoxy-4-méthyl-5-oxo-N-[[2- (trifluorométhoxy)phényl]sulfonyl]-H-1,2,4-triazole-1-carboxamide (MSU) avec de l'hydroxyde de sodium aqueux dans des conditions régulées par pH ; et à confirmer qu'un semi-hydrate de flucarbazone-sodium a été obtenu.