3-phenoxy-4-pyridazinol derivatives and herbicide...

Plant protecting and regulating compositions – Plant growth regulating compositions – Organic active compound containing

Reexamination Certificate

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Details

C504S238000, C544S114000, C544S238000, C544S240000

Reexamination Certificate

active

07608563

ABSTRACT:
A compound represented by the formula:[wherein R1represents a hydrogen atom, a halogen, atom, alkyl group, etc.,R2represents a hydrogen atom, a halogen atom, alkyl group, etc.,R3, R4, R5, R6and R7each independently represent a hydrogen atom, a halogen atom, a substitutable alkyl group, a substitutable alkenyl group, alkynyl group, a substituteable cycloalkyl group, etc., or R3, R4, R5, R6and R7may form a ring which may be substituted, which is formed by the adjacent two of them with carbon atoms to which the respective substituents are bonded,m and n each independently represent 0 or 1.] a salt thereof, an ester derivative thereof and an agricultural chemical containing the same as an effective ingredient, and a herbicidal composition containing the compound and a second herbicidally active compound as effective ingredients.

REFERENCES:
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patent: 5559080 (1996-09-01), South et al.
patent: 0 470 856 (1992-02-01), None
patent: 63-264575 (1988-11-01), None
Teruomi Jojima et al., “Pyridazines I. Novel Intramolecular Cycloaddition of 3-Chloro-6- (2-allylphenoxy)pyridazines”,Chem. Pharm. Bull., 1972, vol. 20, No. 10, pp. 2191-2203.
Donald E. Ames et al., “[1,4]Benzodioxinopyridazines”,Journal of the Chemical Society: Perkin Transaction I, 1975, No. 6, pp. 534-538.
The Pesticide Manual, 11th Edition, C.D.S. Tomlin, editor, pp. 111 to 112, pp. 1049 to 1050, and pp. 1054 to 1055 (1997).
The Pesticide Manual, 12th Edition, C.D.S. Tomln, editor, pp. 563-564, pp. 642-644 and pp. 848-849 (2000).
P.M. Harrington et al, “Synthesis and Herbicidal Activity of Cyperin”,Journal of Agricultural and Food Chemistry, vol. 43, No. 3, pp. 804-808 (1995).

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