Herbicidal aryl and heteroaryl pyrimidines

C - Chemistry – Metallurgy – 07 – D

Patent

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Details

C07D 401/04 (2006.01) A01N 43/54 (2006.01) A01N 43/72 (2006.01) A01N 43/78 (2006.01) C07D 239/26 (2006.01) C07D 239/28 (2006.01) C07D 401/14 (2006.01) C07D 403/00 (2006.01) C07D 405/00 (2006.01) C07D 405/04 (2006.01) C07D 405/14 (2006.01) C07D 409/00 (2006.01) C07D 409/04 (2006.01) C07D 409/14 (2006.01) C07D 413/14 (2006.01) C07D 417/04 (2006.01) C07D 417/14 (2006.01)

Patent

CA 2174730

This invention relates to novel aryl and heteroaryl pyrimidine derivatives, shown below, substituted at the 2- and 4-position of the pyrimidine ring, their use as herbicides and agricultural compositions comprising the same. In formula (I), W is a substituted phenyl or a substituted 5- or 6-membered aromatic heterocyclic ring wherein one or two atoms of said ring are selected from oxygen, nitrogen and sulfur; W being substituted by at least R; R is CO2R4, CHO, CONH-O-CH2CO2R4, COSR4, CO2CHR5OCOR6 or CH=NOR4; R1, R2, R4, R5, R6 are as defined in the application; m = 1 or 2.

Cette invention se rapporte à de nouveaux dérivés de pyrimidines d'aryle et d'hétéroaryle substitués à la position 2 et 4 du noyau de pyrimidine, à leur utilisation comme herbicides et aux compositions utilisées dans le domaine agricole comprenant ces dérivés de pyrimidines de la formule (I) dans laquelle W représente un phényle substitué ou un noyau hétérocyclique aromatique pentagonal ou hexagonal substitué où un ou deux atomes de ce noyau sont sélectionnés parmi l'oxygène, l'azote ou le soufre; W étant substitué par au moins R; R représente CO¿2?R?4¿, CHO, CONH-O-CH¿2?CO¿2?R?4¿, COSR?4¿, CO¿2?CHR?5¿OCOR?6¿ ou CH=NOR?4¿; R?1¿, R?2¿, R?4¿, R?5¿, R?6¿ sont tels que définis dans la demande. m = 1 ou 2.

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