C - Chemistry – Metallurgy – 07 – D
Patent
C - Chemistry, Metallurgy
07
D
C07D 257/04 (2006.01) A01N 43/713 (2006.01)
Patent
CA 2414879
The instant invention relates to novel tetrazole derivatives of the formula (I) wherein R1 represents halogen, methyl, ethyl, halomethyl, methoxy, ethoxy, C1-2 haloalkoxy, methylthio, ethylthio, C1-3 alkylsulfonyl, methylsulfonyloxy, ethylsulfonyloxy, nitro or cyano, R2 represents C1-6 alkyl, C3-6 cycloalkyl which may be optionally substituted with halogen or C1-3 alkyl, C1-4 haloalkyl, C2-6 alkenyl, or phenyl which may be optionally substituted with halogen, C1-3 alkyl, C1-4 haloalkyl, C2-6 alkenyl, or phenyl which may be optionally substituted with halogen, C1-3 alkyl, C1-2 haloalkyl or nitro, m represents 0, 1 or 2,two R1 s may be identical or different, in case m represents 2, n represents 1 or 2, Q represents one the cyclic groups which are mentioned in the specification, to intermediates and several processes for their preparation, to their use as herbicides and to novel compositions containing them.
L'invention concerne des dérivés de tétrazole représentés par la formule (I). Dans cette formule, R?1¿ est halogène, méthyle, éthyle, halométhyle, méthoxy, éthoxy, haloalkoxy C¿1-2?, méthylthio, éthylthio, ¿ ?alkylsulfonyle C¿1-3?, méthylsulfonyloxy, éthylsulfonyloxy, nitro ou cyano; R?2¿ est alkyle C¿1-6?, cycloalkyle C¿3-6 ?éventuellement substitué par halogène ou alkyle C¿1-3?, haloalkyle C¿1-4?, alcényle C¿2-6?, ou phényle éventuellement substitué par halogène, alkyle C¿1-3?, haloalkyle C¿1-2? ou nitro; m vaut 0, 1 ou 2, deux R?1¿ peuvent être identiques ou différents, au cas où m vaut 2, n vaut 1 ou 2, Q est l'un des groupes cycliques mentionnés dans l'invention. L'invention concerne également des intermédiaires de ce type de dérivé, plusieurs procédés d'élaboration, et l'utilisation des produits considérés comme herbicides. L'invention concerne enfin des compositions renfermant lesdits produits.
Goto Toshio
Narabu Shinichi
Shirakura Shinichi
Ueno Chieko
Yanagi Akihiko
Bayer Cropscience K.k.
Fetherstonhaugh & Co.
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