Thiochromanoylpyrazolone derivatives

C - Chemistry – Metallurgy – 07 – D

Patent

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Details

C07D 409/06 (2006.01) A01N 43/56 (2006.01) C07D 409/14 (2006.01)

Patent

CA 2353542

The invention relates to thiochromanoylpyrazolone derivatives of formula (I), wherein the variables have the following meanings: A is an optionally substituted, saturated or unsaturated alkyl chain; R1 is cyano, rhodano, nitro, OR4, SR5, SOR6, SO2R6, ONR6NR7, ON=CR6R8, NR9R10, P(O)R11R12, P(S)R11R12, COR6, CO2R6, optionally substituted phenyl or heterocyclyl; R2 is alkyl, alkyl halide, alkoxy or halogenalkoxy; R3 is hydrogen, alkyl or halogen; X is oxygen, sulphur, S=O, S(=O)2, CR13R14, C=O or C=NR15, m is 0, 1 or 2; n is 0, 1, 2, 3 or 4; and R16 is substituted pyrazol-4-yl-carbonyl or substituted (4,5-dihydro-5-oxo-pyrazol-4-yl)-methylidene; and to their agriculturally useable salts. The invention also relates to a method for producing thiochromanoylpyrazolone derivatives, to products containing them and to the use of these derivatives and products containing them for combating undesirable plants.

L'invention concerne des dérivés de thiochromanoylpyrazolone de formule (I) dans laquelle les variable ont les significations ci-après: A désigne une chaîne alkyle saturée ou insaturée, éventuellement substituée; R?1¿ désigne un cyano, rhodano, nitro, OR?4¿, SR?5¿, SOR?6¿, SO¿2?R?6¿, ONR?6¿NR?7¿, ON=CR?6¿R?8¿, NR?9¿R?10¿, P(O)R?11¿R?12¿, P(S)R?11¿R?12¿, COR?6¿, CO¿2?R?6¿, phényle ou hétérocyclyle éventuellement substitué; R?2¿ désigne un alkyle, halogénonalkyle, alcoxy ou halogénoalcoxy; R?3¿ désigne un hydrogène, un alkyle ou un halogène; X désigne un oxygène, un soufre, S=O, S(=O)¿2?, CR?13¿R?14¿, C=O ou C=NR?15¿, m est égal à 0, 1 ou 2; n est égal à 0, 1, 2, 3 ou 4; R?16¿ désigne un pyrazol-4-yl-carbonyle substitué ou un (4,5-dihydro-5-oxo-pyrazol-4-yl)-méthylidène. L'invention concerne également les sels des dérivés précités, utilisables en agriculture. Elle concerne en outre un procédé de fabrication des dérivés de thiochromanoylpyrazolone, des produits renfermant ces dérivés, ainsi que l'utilisation de ces dérivés ou desdits produits les renfermant pour lutter contre les plantes indésirables.

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