5-substituted-2,4-diphenylpyrimidine derivatives, their...

Details 5-substituted-2,4-diphenylpyrimidine derivatives, their... 5-substituted-2,4-diphenylpyrimidine derivatives, their...

C - Chemistry, Metallurgy

07

D

260/259, 71/7.9

C07D 239/34 (2006.01) A01N 43/54 (2006.01) C07D 239/38 (2006.01)

Patent

CA 1327578

ABSTRACT OF THE DISCLOSURE A compound of the formula: Image wherein R1 represents a hydrogen atom, or a halogen atom, a (C1 to C3)-alkyl group, a halo-(C1 to C3)-alkyl group, a (C1 to C6)-alkoxy group which may contain an un- saturated bond, a (C1 to C2)-alkylthio group, a halo-(C1 to C6)-alkoxy group which may contain an unsaturated bond, a halo-(C1 to C2)-alkylthio group, a phenoxy group, a (C1 to C3)-alkylcarboxy group, a halo(C1 to C3)- alkylcarboxy group, a (C1 to C2)-alkoxy-(C1 to C2)-alkoxy group, a (C1 to C3)-alkylsulfonyloxyl group, a halo-(C1 to C3)-alkylsulfonyloxy group, a cyano group, a (C1 to C3)-alkoxycarbonyl group, a hydroxycarbonyl group, an aminomethyl group or a hydroxymethyl group at the ortho or meta position; R2 represents a hydrogen atom, a halogen atom, a (C1 to C2)-alkyl group, a halo-(C1 to C2)-alkyl group, a (C1 to C2)-alkoxy group, a nitro group, a (C1 to C2)-alkylthio group, a halo-(C1 to C2)- alkylthio group or a halo-(C1 to C2)-alkoxy group; and R3 represents a (C1 to C2)-alkyl group, provided that both R1 and R2 are not a hydrogen atom at the same time. The compound is used as herbicides.

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