N'-phenyl-n-methyl-urea derivatives, and their production...

Details N'-phenyl-n-methyl-urea derivatives, and their production... N'-phenyl-n-methyl-urea derivatives, and their production...

C - Chemistry, Metallurgy

07

C

260/546, 71/9.8

C07C 275/34 (2006.01) A01N 47/30 (2006.01) C07C 275/64 (2006.01) C07C 323/44 (2006.01)

Patent

CA 1126757

Abstract of the Disclosure: An N'-phenyl-N-methyl-urea derivative of the formula: Image wherein R1, R2 and R3 are each hydrogen, lower alkyl, lower alkoxy, lower alkylthio, halogen or trifluoromethyl, R4 is hydrogen or lower alkyl, A is methyl or methoxy, X is oxygen or sulfur, Y is hydrogen or halogen, Z is a straight or branched alkylene chain having not more than 8 carbon atoms which may have no less than one atom of oxygen and/or sulfur inside and/or at the end of the alkylene chain and n is an integer of 1 to 3, which shows a pronounced herbicidal activity against a wide variety of weeds in the cultivation of crop plants without any material toxicity to mammals, fishes and any chemical injury to said crop plants.

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