Substituted pyridine 1-oxide herbicides

Details Substituted pyridine 1-oxide herbicides Substituted pyridine 1-oxide herbicides

1981-02-05

1983-07-19

Love, Ethel G.

Chemistry: fertilizers

Processes and products

Forms or conditioning

546294, A01N 4340, C07D21364

Patent

active

043941559

ABSTRACT:
Compounds of the following formula are effective as premergence herbicides: ##STR1## wherein R and R.sup.1 may be the same or different and are C.sub.1 to C.sub.4 alkyl, C.sub.1 to C.sub.4 alkoxy, phenyl or halogen, provided that R or R.sup.1 is not halogen if attached in the 3- position of the pyridine ring, and R or R.sup.1 may further be hydrogen provided that one of them is one of the recited moieties other than hydrogen; R.sup.2 is hydrogen, halogen, methyl or ethyl; R.sup.3 is phenyl or phenyl substituted with halogen, C.sub.1 to C.sub.4 alkyl, C.sub.1 to C.sub.4 alkoxy, or nitro; and n is 1 or 2.

REFERENCES:
patent: 3107994 (1963-10-01), Rawlings et al.
patent: 3155671 (1964-11-01), D'Amico
patent: 3960542 (1976-06-01), Plant et al.
patent: 4019893 (1977-04-01), Plant et al.
patent: 4026937 (1977-05-01), Gulbenk
patent: 4120692 (1978-10-01), Plant et al.
patent: 4201567 (1980-05-01), Lee
patent: 4360677 (1982-11-01), Doweyko et al.

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