Diphenyl ether herbicides

Details Diphenyl ether herbicides Diphenyl ether herbicides

1990-10-02

1991-12-17

Fan, Jane T.

Chemistry: fertilizers

Processes and products

Forms or conditioning

549307, 549466, A01N 4308

Patent

active

050731920

ABSTRACT:
Phenoxy phthalide derivatives having the general formula II: ##STR1## wherein R.sub.1 represents a hydrogen or halogen atom or an alkyl or haloalkyl group; R.sub.2 and R.sub.3, which may be the same or different, each independently represents a hydrogen or halogen atom or an alkyl, haloalkyl, nitro or cyano group; R.sub.4 represents a saturated alkyl group; R.sub.5 represents an unsaturated alkyl group; and X represents an oxygen or sulphur atom, are useful as herbicides.

REFERENCES:
patent: 4334915 (1982-06-01), Hiraga et al.
Clark et al., CA 109:68854f.
C.A. 80:59757q (1974).
C.A. 73:98664z (1970).
Relles, H. M. et al., J. Org. Chem. 45, 1374-1379 (1980).
Williams, F. J. et al., J. Org. Chem. 42, No. 21, 3414-3419 (1977).
Williams, F. J. et al., J. Org. Chem. 42, No. 21, 3425-3431 (1977).

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