Hydantoin derivatives, processes for preparing them, and...

Details Hydantoin derivatives, processes for preparing them, and... Hydantoin derivatives, processes for preparing them, and...

C - Chemistry, Metallurgy

07

D

C07D 471/04 (2006.01) A01N 43/90 (2006.01) C07D 211/78 (2006.01)

Patent

CA 2208263

Novel hydantoin derivatives having excellent herbicidal activities, a process for producing the same and herbicides comprising the same as active ingredients. The hydantoin derivatives represented by general formula (1) are produced by reacting an aryl isocyanate derivative represented by general formula (2), with a dehydropipecolinic acid derivative represented by general formula (3).

La présente invention concerne des dérivés d'hydantoïne nouveaux qui possèdent d'excellentes propriétés herbicides; elle concerne aussi un procédé de production de ces dérivés, et des herbicides les incluant comme ingrédients actifs. Les dérivés d'hydantoïne représentés par la formule générale (1) s'obtiennent par réaction d'un dérivé d'isocyanate d'aryle, représenté par la formule générale (2) avec un dérivé d'acide déshydropipécolinique, représenté par la formule générale (3).

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