Diphenyl ether carboxylic acids and salts and esters thereof use

Details Diphenyl ether carboxylic acids and salts and esters thereof use Diphenyl ether carboxylic acids and salts and esters thereof use

1986-08-27

1988-04-19

Shippen, Michael L.

Chemistry: fertilizers

Processes and products

Forms or conditioning

71115, 560 65, 562474, A01N 3110, C07C 6524

Patent

active

047387114

ABSTRACT:
Diphenyl ethers of formula: ##STR1## wherein A is hydrogen or one of a specified range of substituents e.g. halogen, hydroxy, haloalkyl, B, C, E and F are hydrogen or specified substituents; D is CF.sub.3, halogen, or an other specified substituent; and R is a group --CONR.sup.4 SO.sub.2 R.sup.3 wherein R.sup.4 is hydrogen or C.sub.1 to C.sub.4 alkyl and R.sup.3 is an optionally substituted alkyl, alkenyl, alkynyl, or aryl radical; useful as selective herbicides.

REFERENCES:
patent: 3652665 (1972-03-01), Shen
patent: 4023958 (1977-05-01), Rohe
patent: 4063929 (1977-12-01), Bayer
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patent: 4358308 (1982-11-01), Swithenbank
patent: 4386954 (1983-06-01), Ashmore
patent: 4419122 (1983-12-01), Swithenbank
patent: 4419123 (1983-12-01), Swithenbank
patent: 4426220 (1984-01-01), Parg
Burger, "Medical Chemistry," 2nd Ed. pp. 72-78 (1960).
Lowy, "An Introduction to Organic Chemistry," pp. 198-199 (1936).

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