Phenylhydrazone derivative of oxamide and herbicidal composition

Details Phenylhydrazone derivative of oxamide and herbicidal composition Phenylhydrazone derivative of oxamide and herbicidal composition

1988-03-02

1990-11-06

Elmore, Carolyn S.

Chemistry: fertilizers

Processes and products

Forms or conditioning

464149, 464150, A01N 4740, C07C25722

Patent

active

049683454

ABSTRACT:
Disclosed herein is a phenylhydrazone derivative of oxamide represented by the formula (I): ##STR1## wherein R.sup.1 is straight-chain alkyl group having 2 to 10 carbon atoms, branched alkyl group or cyclic alkyl group having 3 to 10 carbon atoms, alkyl group having 1 to 3 carbon atoms which is substituted with an alicyclic structure having 3 to 7 carbon atoms, phenyl group, halogen-substituted phenyl group, aralkyl group having 7 to 9 carbon atoms, alkenyl group having 3 to 6 carbon atoms, alkyl group having 2 to 4 carbon atoms which is substituted with alkoxy group having 1 to 4 carbon atoms, or alkyl group having 2 to 10 carbon atoms which is substituted with 1 to 19 fluorine atoms; and R.sup.2 is hydrogen, fluorine, chlorine, methyl group or methoxy group, and a herbicidal composition containing the derivative as active ingredient. The phenylhydrazone derivative of oxamide represented by the formula (I) of the present invention shows a high herbicidal activity and also have an excellent selectivity allowing killing of weeds alone without doing any practical harm to the crops such as rice, wheat and corn.

REFERENCES:
patent: 3641098 (1972-02-01), Buchel et al.
Tetrahedron, vol. 31, No. 1, 1975, pp. 25-29.
"Triazoles, Part VI, 1,5-Diaryl-1,2,4-triazole-3-aldehydes", by Browne et al., Journal of the Chemical Society, 1962, p. 575-583.

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