Diphenyl ether carboxylic acids and salts and esters thereof useful as herbicides
US4738711A · kind A · utility
4Cited by
9References
4Claims
0Family size
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Key dates
| Filing date | Aug 27, 1986 |
| Grant date | Apr 19, 1988 |
| Priority date | — |
| Expiry date | Aug 27, 2006 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C311/51
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
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.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.