Urea derivatives, and their production and use

C - Chemistry – Metallurgy – 07 – C

Patent

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Details

260/546, 71/9.8,

C07C 275/64 (2006.01) A01N 47/30 (2006.01) C07C 275/34 (2006.01)

Patent

CA 1108184

Abstract of the Disclosure: Novel N'-phenyl-N-methylurea derivatives of the formula: Image wherein R1 is a hydrogen atom, a methyl group or a methoxy group, R2 is a hydrogen atom or a lower alkyl group, R3, which may be the same or different, is a halogen atom, a lower alkyl group, a lower alkoxy group, a lower alkylthio group or a trifluoromethyl group, n is an integer of 0 to 5, X is a hydrogen atom or a halogen atom, Y is an oxygen atom or a sulfur atom and Z is a straight or branched C1-C8 alkylene group which may have no less than one atom of oxygen and/or sulfur at the terminal of and/or inside the carbon chain, which shows a pronounced herbicidal activity against a wide variety of weeds in the cultivation of crop plants as well as a notable fungicidal activity against a wide variety of phytopathogenic fungi causing plant diseases to crop plants without any material toxicity to mammals and fishes or any chemical injury to said crop plants. - 1 -

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