Substituted (4-brompyrazole-3-yl)benzazoles

C - Chemistry – Metallurgy – 07 – D

Patent

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Details

C07D 417/04 (2006.01) A01N 43/74 (2006.01) A01N 43/76 (2006.01) A01N 43/78 (2006.01) C07D 231/16 (2006.01) C07D 413/04 (2006.01) C07D 417/14 (2006.01) C07F 9/6541 (2006.01) C07F 9/6558 (2006.01)

Patent

CA 2329873

The invention relates to substituted (4-brompyrazole-3-yl)benzazoles of the formula (I), and their salts, where Z is -N=C(XR6)-O- or -N=C(XR6)-S-, which via the nitrogen, oxygen or sulphur are bound to .alpha.; and X = a chemical bond, oxygen, sulphur, -S(O)-, -SO2-, -NH- or -N(R7)-. The invention also relates to the use of said substances as herbicides, notably for the desiccation/defoliation of plants.

L'invention concerne des (4-brompyrazol-3-yl)benzazoles de la formule (I), ainsi que leurs sels, formule dans laquelle Z est -N=(XR?6¿)-O- ou bien -N=C(XR?6¿)-S-, qui sont liés à .alpha. par l'intermédiaire de l'azote, de l'oxygène ou du soufre; X est une liaison chimique, oxygène, soufre, -S(O)-, -SO¿2?, -NH- ou bien -N(R?7¿)-. L'invention concerne également l'utilisation de ces substances comme herbicides, notamment pour la dessiccation/défoliation de végétaux.

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