Herbicidal tetrahydrofuran derivatives

Details Herbicidal tetrahydrofuran derivatives Herbicidal tetrahydrofuran derivatives

1980-10-09

1982-05-18

Hollrah, Glennon H.

Chemistry: fertilizers

Processes and products

Forms or conditioning

71 95, A01N 4340

Patent

active

043303200

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: 3945998 (1976-03-01), Anderson et al.
patent: 4116669 (1978-09-01), Barker et al.
patent: 4138243 (1979-02-01), Bohner et al.
patent: 4146384 (1979-03-01), Schmidt et al.
patent: 4225336 (1980-09-01), Fory et al.
Bayer AG, "2--alkoxyalkyl tetrahydro, etc.," (1978), Derwent Abst. No. 88170A. (EP-00-002) (1978).

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