Urea derivatives, and their production and use

Details Urea derivatives, and their production and use Urea derivatives, and their production and use

C - Chemistry, Metallurgy

07

D

260/297, 71/8.1,

C07D 213/75 (2006.01) A01N 47/36 (2006.01) C07D 213/643 (2006.01) C07D 213/70 (2006.01) C07D 213/73 (2006.01)

Patent

CA 1136630

Abstract of the Disclosure The invention relates to a compound of the formula: Image wherein A is a hydrogen atom, a methyl group or a methoxy group, X is a straight or branched C1-C4 alkylene chain, Y is an oxygen atom or a sulfur atom, R, which may be same or different, is a lower alkyl group, a lower alkoxy group, a trifluoromethyl group, a chlorine atom, a bromine atom or a fluorine atom, m is an integer of 0 to 5 and n is an integer of 0 or 1, provided that in case of R being a fluorine atom, m is an integer of 0 to 5 and in case of R being other than a fluorine atom, m is an integer of 0 to 3. These compounds show a pronounced her- bicidal activity against a wide variety of weeds in the cultivation of crop plants without any material toxicity to mammals and any chemical injury to said crop plants.

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