Herbicidal compounds
US4246419A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Feb 5, 1979 |
| Grant date | Jan 20, 1981 |
| Priority date | — |
| Expiry date | Feb 5, 1999 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D239/34
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
A herbicidal sulphonamide compound of the formula (I): ##STR1## and salts thereof, wherein R.sup.1 is a pyridyl group of the formula: ##STR2## wherein the group X of the pyridyl group represents a fluorine, chlorine, bromine, or iodine atom, or an alkyl radical of 1 to 4 carbon atoms optionally substituted by one or more fluorine or chlorine atoms, and the group Y represents hydrogen, fluorine chlorine, bromine, or iodine or an alkyl radical of 1 to 4 carbon atoms optionally substituted by one or more fluorine or chlorine atoms; R.sup.2 represents an alkyl radical of 1 to 6 carbon atoms optionally substituted by one or more fluorine atoms; and R.sup.3 is hydrogen or an alkyl radical of 1 to 4 carbon atoms.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.