Herbicidal tetrazolinone derivatives

Details Herbicidal tetrazolinone derivatives Herbicidal tetrazolinone derivatives

C - Chemistry, Metallurgy

07

D

C07D 257/04 (2006.01) A01N 43/713 (2006.01) A01N 43/80 (2006.01) C07D 231/00 (2006.01) C07D 257/00 (2006.01) C07D 261/00 (2006.01) C07D 403/10 (2006.01) C07D 413/10 (2006.01)

Patent

CA 2381532

The invention relates to novel tetrazolinone derivatives of general formula (I) wherein R1 represents halogen, C1-4 alkyl, C1-4 haloalkyl, C1-4 alkoxy, C1- 4 alkylthio, C1-4 alkylsulfonyl, C1-4 alkylsulfonyloxy, C2-5 alkoxycarbonyl, C2-6 alkoxyalkyl, C2-6 alkylthioalkyl, nitro or cyano, R2 represents a hydrogen atom, C1-6 alkyl, C3-6 cycloalkyl which may be optionally substituted with halogen or C1-3 alkyl, C1-4 haloalkyl, or phenyl which may be optionally substituted with halogen, C1-3 alkyl, C1-3 haloalkyl or nitro,m represents 0,1 or 2,n represents 0 or 1, Q represents one of the groups which are mentioned in the description. The invention further relates to their use as herbicides and a process together with the intermediates for their preparation.

L'invention concerne de nouveaux dérivés de tétrazolinone de formule générale (I) dans laquelle R?1¿ représente halogène, alkyle C¿1-4?, haloalkyle C¿1-4?, alkoxy C¿1-4?, alkylthio C¿1-4?, alkylsulfonyl C¿1-4?, alkylsulfonyloxy C¿1-4?, alkoxycarbonyle C¿2-5?, alkoxyalkyle C¿2-6?, alkylthioalkyle C¿2-6?, nitro ou cyano, R?2¿ représente un atome d'hydrogène, alkyle C¿1-6?, cycloalkyle C¿3-6? pouvant éventuellement être substitué par halogène ou alkyle C¿1-3?, haloalkyle C¿1-4?, ou phényle pouvant éventuellement être substitué par halogène, alkyle C¿1-3?, haloalkyle C¿1-3? ou nitro, m représente 0, 1 ou 2, n représente 0 ou 1, Q représente un des groupes mentionnés dans la description. L'invention concerne également l'utilisation de ces dérivés comme herbicides, ainsi qu'un procédé de préparation et les intermédiaires associés à cette dernière.

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