N'-phenyl-n-methylurea derivatives, and their production and...

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

C - Chemistry, Metallurgy

07

C

167/12, 260/546,

C07C 275/64 (2006.01) A01N 47/30 (2006.01) C07C 275/32 (2006.01) C07C 323/29 (2006.01) C07D 317/64 (2006.01)

Patent

CA 1135710

Abstract of the Disclosure: The specification discloses compounds of the formula: Image wherein A is a hydrogen atom, a methyl group or a methoxy group, the groups R may be the same or different and each represents a halogen atom, a lower alkyl group, a lower alkoxy group, a lower alkylthio group, a trifluoromethyl group, a cyano group or a methylenedioxy group, X is a hydrogen atom or a halogen atom, Y is an oxygen atom or a sulfur atom, Z is a lower alkylene group and n is 0 or an integer of 1 to 3, provided that the substituted ureido group is present at the m- or p-position with respect to the substituent represented by the symbol X, and at the same time, at the m- or p-position with respect to the substituent represented by the symbol Z. These compounds have very good selective herbicidal and/or fungicidal activities and can be prepared, for instance, by reacting the corresponding phenyl isocyanate with a reagent of the formula: Image wherein A is as defined above. The compounds can be used in the cultivation of a wide range of crops.

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