Certain herbicidal sulfonates and sulfamates
US4222767A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Mar 21, 1979 |
| Grant date | Sep 16, 1980 |
| Priority date | — |
| Expiry date | Mar 21, 1999 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07F9/65744
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
The invention provides herbicidally-active sulphonates of the formula ##STR1## wherein X represents a group --CHR.sup.3 --OR.sup.4 and Y represents a group --OR.sup.5, or X and Y together represent a group --CHR.sup.3 --O-- or a group --CHR.sup.3 --O--Z--O--, the free oxygen atom of which is attached to the benzene ring; R.sup.1, R.sup.2 and R.sup.3, which may be the same or different, each represent hydrogen or C 1 to 6 alkyl, or R.sup.1 and R.sup.2 together or R.sup.2 and R.sup.3 together form a C 3 to 6 alkylene chain; R.sup.4 and R.sup.5, which may be the same or different, each represent hydrogen, C 1 to 6 alkyl, C 2 to 6 alkenyl, C 2 to 6 alkynyl, phenyl, a group --C(.dbd.O)R.sup.10 or a group --SO.sub.2 R.sup.11 ; R.sup.6, R.sup.7 and R.sup.8, which may be the same or different, each represent hydrogen, C 1 to 6 alkyl, halogen, cyano, C 2 to 6 carboxylic acyl, or C 1 to 4 alkoxy; R.sup.9 represents C 1 to 6 alkyl, phenyl or C 7 to 10 phenylalkyl (each of which may be unsubstituted or substituted by one or more chlorine or bromine atoms, C 1 to 4 alkyl groups, C 1 to 4 alkoxy groups or nitro groups), C 5 to 7 cycloalkyl, C 1 to 4 alkylamino, or dialkylamino wherein each alkyl…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.