Substituted phenyluracils and their use as herbicides

Details Substituted phenyluracils and their use as herbicides Substituted phenyluracils and their use as herbicides

C - Chemistry, Metallurgy

07

D

C07D 239/54 (2006.01) A01N 43/54 (2006.01) A01N 47/06 (2006.01) A01N 47/22 (2006.01) C07C 255/59 (2006.01) C07D 239/557 (2006.01)

Patent

CA 2390645

The invention relates to novel substituted phenyluracils of general formula (I), in which: n = 0, 1 or 2; R1 = H, NH2 or optionally substituted alkyl, R2 = carboxy, cyano, carbamoyl, thiocarbamoyl or optionally substituted alkyl or alkoxycarbonyl; X = hydroxy, mercapto, amino, nitro, cyano, carboxy, carbamoyl, thiocarbamoyl, halogen, or optionally substituted alkyl, alkoxy, alkylthio, alkylsulphinyl, alkylsulphonyl, alkylamino, dialkylamino, alkylcarbonyl, alkoxycarbonyl, alkylaminocarbonyl, dialkylaminocarbonyl, alkylcarbonyloxy, alkoxycarbonyloxy, alkylaminocarbonyloxy, dialkylaminocarbonyloxy, phenylcarbonyloxy, alkylcarbonylamino, alkoxycarbonylamino, alkylsulfonylamino, alkenyl, alkenyloxy, alkenyloxycarbonyl, alkinyl, alkinyloxy or alkinyloxycarbonyl. In the case where n > 1, X, in the individual possible compounds, may have multiple given meanings.

L'invention concerne de nouveaux phényluraciles substitués de formule générale (I) dans laquelle n vaut 0, 1, ou 2 ; R?1¿ représente hydrogène, amino ou alkyle éventuellement substitué ; R?2¿ représente carboxy, cyano, carbamoyle, thiocarbamoyle ou l'un des deux radicaux suivants éventuellement substitués : alkyle ou alcoxycarbonyle ; X représente hydroxy, mercapto, amino, nitro, cyano, carboxy, carbamoyle, thiocarbamoyle, halogène, ou l'un des radicaux suivants éventuellement substitués : alkyle, alcoxy, alkylthio, alkylsulfinyle, alkylsulfonyle, alkylamino, dialkylamino, alkylcarbonyle, alcoxycarbonyle, alkylaminocarbonyle, dialkylaminocarbonyle, alkylcarbonyloxy, alcoxycarbonyloxy, alkylaminocarbonyloxy, dialkylaminocarbonyloxy, phénylcarbonyloxy, alkylcarbonylamino, alcoxycarbonylamino, alkylsulfonylamino, alcényle, alcényloxy, alcényloxycarbonyle, alcynyle, alcynyloxy ou alcynyloxycarbonyl ; dans le cas où n est supérieur à 1, X peut également, dans les composés individuels possibles, avoir plusieurs des significations mentionnées.

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