Herbicidal tetrahydrofuran derivatives

Details Herbicidal tetrahydrofuran derivatives Herbicidal tetrahydrofuran derivatives

1980-01-03

1981-09-15

Hollrah, Glennon H.

Organic compounds -- part of the class 532-570 series

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

2603265D, 71 88, 71 94, 71 95, C07D23972

Patent

active

042898846

ABSTRACT:
Novel tetrahydrofuran derivatives which are compounds of the general formula I or the N-oxides or salts thereof ##STR1## wherein each of R.sup.1 and R.sup.2 independently represents a hydrogen atom, a halogen atom, or an optionally-substituted alkyl, cycloalkyl or aryl group, or R.sup.1 and R.sup.2 together represent an optionally-substituted alkylene group; each of R.sup.3, R.sup.4, R.sup.5 and R.sup.6, any two or more of which may be the same or different, represents a hydrogen atom, a halogen atom, a mono- or di- alkylamino group or an optionally substituted alkyl, alkoxy, alkylthio or aryl group, or R.sup.3 and R.sup.5 have one of these meanings and R.sup.4 and R.sup.6 together represent a carbon-carbon bond; R.sup.7 represents a hydrogen atom or an optionally-substituted alkyl group; each of R.sup.8 and R.sup.9 independently represents a hydrogen atom or an optionally-substituted alkyl group; and Het represents an optionally-substituted fully unsaturated ring having 5 or 6 atoms in the ring of which one is a nitrogen atom and the remainder are carbon atoms; exhibit herbicidal activity.

REFERENCES:
patent: 3246975 (1966-04-01), Hopkins et al.
patent: 3284460 (1966-11-01), Wilbert et al.
patent: 3335142 (1967-08-01), Hardy et al.
patent: 3897438 (1975-07-01), Draber et al.
patent: 4116669 (1978-09-01), Barker et al.
patent: 4146384 (1979-03-01), Schmidt et al.

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