N-(1-ethyl-4-pyrazolyl)triazoloazinesulfonamide herbicides

Details N-(1-ethyl-4-pyrazolyl)triazoloazinesulfonamide herbicides N-(1-ethyl-4-pyrazolyl)triazoloazinesulfonamide herbicides

C - Chemistry, Metallurgy

07

D

C07D 487/04 (2006.01) A01N 43/90 (2006.01) C07D 231/38 (2006.01) C07D 231/46 (2006.01) C07D 471/04 (2006.01)

Patent

CA 2203628

Substituted N-(1-ethyl-4-pyrazolyl)triazoloazinesulfonamide compounds of formula (I) such as N-(1-ethyl-5-methyl-3-(trifluoromethyl)-4-pyrazolyl)-5- methoxy-7-methyl[1,2,4]triazolo[1,5-c]pyrimidine-2-sulfonamide and N-(1-ethyl- 5-methyl-3-(trifluoromethyl)-4-pyrazolyl)-5-methoxy-7- methyl[1,2,4]triazolo[1,5-a]-pyridine-2-sulfonamide, were prepared and found to possess selective herbicidal utility. The compounds are especially useful for the pre-emergence control of grassy weeds in soybeans.

Selon la présente invention, on a obtenu des composés N-(1-éthyl-4-pyrazolyl)triazoloazinesulfonamide substitués représentés par la formule générale (I) tels que le N-(1-éthyl-5-méthyl-3-(trifluorométhyl)-4-pyrazolyl)-5-méthoxy-7-méthyl[1,2,4]triazolo[1,5-c]pyrimidine-2-sulfonamide et le N-(1-éthyl-5-méthyl-3-(trifluorométhyl)-4-pyrazolyl)-5-méthoxy-7-méthyl[1,2,4]triazolo[1,5-a]-pyridine-2-sulfonamide. Ces composés qui se sont avérés présenter une activité herbicide sélective, conviennent particulièrement à la lutte contre la pré-levée des mauvaises herbes graminées dans le soja.

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