Herbicidally-active heterocyclic compounds

Details Herbicidally-active heterocyclic compounds Herbicidally-active heterocyclic compounds

1977-05-20

1980-01-15

Daus, Donald G.

Chemistry: fertilizers

Processes and products

Forms or conditioning

546119, 546 64, 544343, A01N 902, A01N 922, C07D47122

Patent

active

041837410

ABSTRACT:
There are provided the compounds of the formula: ##STR1## (wherein R.sup.1, R.sup.2, R.sup.3 and R.sup.4, which may be the same or different, each represent hydrogen, a substituted or unsubstituted alkyl, aryl or aralkyl group, a nitro group, a cyano group or a halogen atom, R.sup.5 represents a quaternized nitrogen-containing heterocyclyl radical linked via a ring carbon atom, X represents one equivalent of an anion, R.sup.7 represents a substituted or unsubstituted alkyl group or a substituted or unsubstituted, saturated or unsaturated heterocyclyl group which, if nitrogen-containing, is quaternized, linked via a ring carbon atom, and R.sup.6 either represents an alkyl group or, when R.sup.7 represents a quaternized nitrogen-containing heterocyclyl group, and the quaternized nitrogen atom is ortho to the linked ring carbon atom, may represent a methylene, dimethylene, trimethylene or alkyl-substituted ethenylene chain to that nitrogen atom.
The compounds are selective herbicides.

REFERENCES:
patent: 3594479 (1971-07-01), Maguire et al.
patent: 3629260 (1971-12-01), Maguire et al.
patent: 4044015 (1977-08-01), Kuhla

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