Quinoxalinyloxy phenoxy proprionic acid derivatives as selective herbicides
US4655819A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Dec 24, 1981 |
| Grant date | Apr 7, 1987 |
| Priority date | — |
| Expiry date | Dec 24, 2001 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D241/44
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
The invention concerns novel compounds of the formula I ##STR1## wherein: D and U are independently chosen from halogen, methyl and halomethyl; PA0 G is chosen from hydroxy, alkoxy, alkenyloxy, alkynyloxy, alkylthio, alkenylthio, alkynylthio, cycloalkoxy and the group OM wherein M is an alkali metal or alkaline earth metal ion; and PA0 k and l are independently chosen from 0 and 1. The compounds are herbicides and in further embodiments the invention provides processes for the preparation of compounds of formula I, intermediates useful in the preparation of compounds of formula I, herbicidal compositions containing as active ingredient a compound of formula I, and processes for severely damaging or killing unwanted plants by applying to the plants or to the growth medium of the plants and effective amount of a compound of formula I.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.