Herbicidal sulfonamides

C - Chemistry – Metallurgy – 07 – D

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C07D 239/28 (2006.01) A01N 47/36 (2006.01) C07D 251/12 (2006.01) C07D 327/04 (2006.01) C07D 521/00 (2006.01)

Patent

CA 1204112

Title HERBICIDAL SULFONAMIDES Abstract of the Disclosure This invention relates to N-(hetero- cyclicaminocarbonyl)-o-alkenylbenzenesulfonamides of formula Image wherein R is Image R1 is H, F, Cl, Br, NO2, CF3, C1-C4 alkyl, OCF3 or C1-C3 alkoxy; R2 is C2-C5 alkenyl, C5-C6 cycloalkenyl or C2-C3 alkenyl substituted with 1-3 chlorine atoms; R5 and R6 are independently H or CH3; n is O or l; and A is a substituted cyclic radical. The above compounds are useful as herbicides.

381474

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