6-(1,1-difluoroalkyl)-4-aminopicolinates and their use as...

Details 6-(1,1-difluoroalkyl)-4-aminopicolinates and their use as... 6-(1,1-difluoroalkyl)-4-aminopicolinates and their use as...

C - Chemistry, Metallurgy

07

D

C07D 213/79 (2006.01) A01N 43/40 (2006.01)

Patent

CA 2532100

4-Aminopicolinic acids of formula (I) wherein Y represents -CF2(C1-C3 alkyl); and W represents -NO2, -N3, -NR1R2, -N=CR3R4 or -NHN=CR3R4 having (1,1- difluoroalkyl) substituents in the 6-position and their amine and acid derivatives are potent herbicides demonstrating a broad spectrum of weed control.

L'invention concerne des acides 4-aminopicoliniques de formule (I), dans laquelle Y représente -CF¿2?(C¿1?-C¿3? alkyle) ; et W représente -NO¿2,? -N¿3,? -NR¿1?R¿2,? -N=CR¿3?R¿4? ou -NHN=CR¿3?R¿4? présentant des substituants (1,1-difluoroalkyle) en position 6 et leur dérivés amines et acides sont de puissants herbicides présentant un large spectre de désherbage.

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