Phenoxyacetic acids and herbicides comprising them as active ing

Details Phenoxyacetic acids and herbicides comprising them as active ing Phenoxyacetic acids and herbicides comprising them as active ing

1988-03-18

1989-03-14

Berch, Mark L.

Chemistry: fertilizers

Processes and products

Forms or conditioning

544354, 548540, 560 41, 560 72, C07D24144, C07D40312, C07D20708, A01N 4360

Patent

active

048121630

ABSTRACT:
A phenoxyacetic acid represented by the following formula (I) ##STR1## wherein X represents a halogen atom or CF.sub.3, R.sup.1 and R.sup.3 are identical or different and each represents a hydrogen atom or an alkyl group having not more than 5 carbon atoms, R.sup.2 represents a hydrogen atom, a lower alkyl group, a phenyl group, a benzyl group, --CH.sub.2 CH.sub.2 SCH.sub.3, --CH.sub.2 OH, --CH(CH.sub.3)OH, --CH.sub.2 SH, --CH.sub.2 COOCH.sub.3, ##STR2## or R.sup.2 and R.sup.3 together may form --CH.sub.2 CH.sub.2 CH.sub.2 -- or --CH.sub.2 CH.sub.2 CH(OH)--, and n is 0, 1 or 2, or a salt at the carboxyl group of the phenoxyacetic acid of the above formula in which R.sup.1 is a hydrogen atom. The compound is useful, as a herbicide, for eradicating weeds, especially narrow-leaved weeds.

REFERENCES:
patent: 3439018 (1969-04-01), Brookes et al.
patent: 4629493 (1986-12-01), Ura et al.
"Phenoxyalkane-and Phenoxyalkene Carboxylic Acid, Their Derivatives and Their Use".
Bauer et al., Chem. Abstracts 96: 7068u (1981).

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