N-pyridinyl¬1,2,4|triazolo¬1,5-c|pyrimidine-2-sulfonamide...

Details N-pyridinyl¬1,2,4|triazolo¬1,5-c|pyrimidine-2-sulfonamide... N-pyridinyl¬1,2,4|triazolo¬1,5-c|pyrimidine-2-sulfonamide...

C - Chemistry, Metallurgy

07

D

C07D 487/04 (2006.01) A01N 43/90 (2006.01) C07D 213/73 (2006.01)

Patent

CA 2175589

Substitued N-pyridinyl[1,2,4]triazolo[1,5-c]pyrimidine-2-sulfonamide compounds of formula a). such as N-(2-fluor-4-methyl)-7- fluoro-5-methoxy-[1,2,4]triazolo[1,5-c]pyrimidine-2-sulfonamide, were prepared by condensation of a 2-chlorosulfonyl[1,2,4]triazolo[1,5- c]pyrimidine compound, such as 2-chlorosulfonyl-7-fluoro-5-methoxy[1,2,4]triazolo[1,5-c]pyrimidine, with a substituted 3-aminopyridine compound, such as 3-amino-2-fluoro-4-methylpyridine, and found to possesss herbicidal utility.

On a préparé des composés de formule (I) au N-pyridinyl [1,2,4] triazolo [1,5-c] pyrimidine-2-sulfonamide substitué, tels que du N-(2-fluoro-4.méthyl)-7-fluoro-5-méthoxy-[1,2,4] triazolo [1,5-c] pyrimidine-2-sulfonamide, en faisant condenser un composé de 2-chlorosulfonyl[1,2,4]triazolo [1,5-c]pyrimidine tel que du 2-chlorosulfonyl-7-fluoro-5-méthoxy [1,2,4] triazolo [1,5-c] pyrimidine avec un composé de 3-aminopyridine substitué, tel que du 3-amino-2-fluoro-4-méthyl-pyridine. On a découvert que ces composés possèdent une utilité comme herbicides.

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