Phenylalkenylcarboxylic acids and their esters

Details Phenylalkenylcarboxylic acids and their esters Phenylalkenylcarboxylic acids and their esters

1989-10-23

1992-06-23

Berch, Mark L.

Chemistry: fertilizers

Processes and products

Forms or conditioning

71 74, 548513, C07D20948, A01N 3732

Patent

active

051239558

ABSTRACT:
Phenylalkenylcarboxylic acid and esters thereof of the general formula I ##STR1## where X is hydrogen or fluorine, R.sup.1 is hydrogen, C.sub.1 -C.sub.6 -alkyl, C.sub.5 - or C.sub.6 -cycloalkyl, (C.sub.1 -C.sub.4 -alkoxy)-C.sub.2 -C.sub.4 -alkyl or (C.sub.1 -C.sub.4 -alkylthio)-C.sub.2 -C.sub.4 -alkyl; W is a divalent radical --CH.dbd.CR.sup.2 --; --CH.dbd.CY--; --CH.dbd.CR.sup.2 --CH.sub.2 --; --CH.dbd.CR.sup.2 --CH.dbd.CR.sup.3 -- or ##STR2## where Y is chlorine or bromine and R.sup.2 and R.sup.3 are each hydrogen or C.sub.1 -C.sub.4 -alkyl, with the proviso that X is not F when W is --CH.dbd.CR.sup.2 --, their manufacture, and their use as herbicides.

REFERENCES:
patent: 4292070 (1981-09-01), Wakahayashi
patent: 4420327 (1983-12-01), Jikihara
patent: 4439229 (1984-03-01), Swithenbank
patent: 4670042 (1987-02-01), Haga
patent: 4844733 (1989-07-01), Eiken
Matsumoto, Chem Abs 105, 60524v (1986).
Plath, Chem Abs 107, 198078a.

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