Pyrimidine derivative herbicides

Details Pyrimidine derivative herbicides Pyrimidine derivative herbicides

C - Chemistry, Metallurgy

07

D

C07D 239/24 (2006.01) A01N 43/54 (2006.01) A01N 43/66 (2006.01) A01N 47/02 (2006.01) A01N 47/12 (2006.01) A01N 47/30 (2006.01) A01N 47/34 (2006.01) A01N 57/08 (2006.01) C07D 239/52 (2006.01) C07D 251/12 (2006.01) C07D 251/20 (2006.01) C07D 401/00 (2006.01) C07D 403/00 (2006.01) C07D 405/00 (2006.01) C07D 409/00 (2006.01) C07D 413/00 (2006.01) C07D 417/00 (2006.01) C07F 9/547 (2006.01)

Patent

CA 2143942

Herbicidal compounds of formula (I) and salts thereof, where A is -N= or -CH=; X is -OH, -OR10, -SH, -SR10, -SCN, NH2, -NHacyl, -CH2OH, -CH2OR9 or -CN; R1 and R2, which may be the same or different, each represent alkyl, alkoxy, haloalkyl, haloalkoxy, halo, alkylamino or dialkylamino; R3 is -CN, -COOR5, -CONR6R7, -CSNH2, -CHO, -CH=Z, -CH(Oalkyl)2, -CH2OH, -CH2OR9, -COSR4a, -CS2R4a, or a substituted or unsubstituted 5- or 6-membered heterocyclic group linked via a ring carbon atom which is between two ring heteroatoms; R4 and R4a, which may be the same or differ- ent, are each H, or a substituted or unsubstituted alkyl, alkenyl, alkynyl, cycloalkyl, aryl, aralkyl or heteroaryl group; R5 is H, or a substituted or unsubstituted alkyl, alkenyl, alkynyl, cycloalkyl, aryl, aralkyl or heteroaryl group, or a group of formu- la (II) where B and D are each alkyl, or together with the carbon atom to which they are attached form a 5-, 6- or 7-mem- bered carbocyclic or heterocyclic ring; R6 is a group as defined for R4a, and R7 is a group as defined for R4a or is -SO2R8, -OH, -CN, -OR10, -NH2, or -NHR10; or R6 and R7 together form a ring; R8 is a substituted or unsubstituted alkyl, alkenyl, alkynyl, cycloalkyl, aralkyl, aryl or heteroaryl group, or a group -NR4bR4c where R4b and R4c, which may be the same or dif- ferent, are each a group as defined for R4a, or together form a ring; R9 is a substituted or unsubstituted alkyl, alkenyl, alky- nyl, cycloalkyl, aralkyl or acyl group; R10 is a substituted or unsubstituted alkyl, alkenyl, alkynyl, cycloalkyl, aryl, aralkyl, heteroaryl or acyl group; Z is =NOR4a or = N-NR4dR12, where R4d is a group as defined for R4a, and R12 is a group as defined for R4a or is a substituted or unsubstituted acyl group, or R4d and R12 together form a ring; with the proviso that, when R4 is ortho-substituted phenyl or naphthyl, any ortho-substituent thereon is halogen, -NO2, -OH, -OR10, -SH, -SR8, -SOR8, -SO2R8, -NH2, -NR6R10, aryl or heteroaryl.

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