3-(3-ARYLOXYOHENYLO-1- (SUBSTITUTED METHYL)-S-TRIAZINE-2, 4,6-TRIONE DERIVATIVES, METHODS OF PREPARATION THEREOF, INTERMEDIATE COMPOUND, METHOD OR SUPPRESSING UNDESIRABLE PLANT SPECIES, AND HERBICIDAL COMPOSITION

摘要

chemical industry. SUBSTANCE: described are new compounds of general formula I: wherein Ar is residue of formula II: ; M is CX4 or N; X,X1,X3 and X4 each independently are hydrogen, nitro, cyano, C1-C4 alkyl, C1-C4 alkyl halide or C1-C4 alkoxy; X2 is hydrogen, nitro, cyano, C1-C4 alkyl halide or S(O)mR5 wherein m is 0 or 1, and R5 is C1-C4 alkyl; Y is hydrogen or halogen; Y1 is hydrogen, halogen, nitro or cyano; A,A1 and A2 each are 0; R is hydrogen, C1-C4 alkyl, C3-C6 alkenyl, C3-C6 alkynyl or C2-C12 alkoxycarbonyl alkyl; R1 is hydrogen; R2 is hydrogen or C1-C4 is alkyl; hydrogen or R3 is hydrogen; n is 0; V is C(O)R6 wherein R6 is OH, OR10 or NR11R12; R10/ is C1-C10 alkyl optionally substituted by halogen or tetrahydrofuryl; R11 is hydrogen; R12 is hydrogen or C2-C6 alkoxycarbonyl alkyl, compounds inhibit undesirable plant species. Also described are method of preparation thereof, intermediate, method of inhibiting undesirable plant species, and herbicidal composition. EFFECT: improved properties of the title compound and more efficient inhibition method. 10 cl, 23 dwg, 42 ex, 7 tbl