Compound and herbicidal composition for weed control
US5939360A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Dec 15, 1998 |
| Grant date | Aug 17, 1999 |
| Priority date | — |
| Expiry date | Dec 15, 2018 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA01N43/80
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
The present invention is directed to a compound of formula I!: ##STR1## or a salt thereof in which R.sub.1 is a a C.sub.1-6 alkyl group, R.sup.2 is a halogen atom, a C.sub.1-6 alkylthio group, a C.sub.1-6 alkylsulfinyl group or a C.sub.1-6 alkylsulfonyl group, R.sup.3 and R.sup.4 are each independently hydrogen, a C.sub.1-6 alkyl group or a C.sub.1-6 haloalkyl group, and R is hydrogen or a C.sub.1-6 alkyl group. The present invention is further directed to a compound of formula 1! or a salt thereof, as described above and in which R.sup.1 and R.sup.3 are methyl, R.sup.2 is chlorine or methylsulfonyl, R.sup.4 is hydrogen, and R is methyl or ethyl. In addition, the present invention is directed to a herbicidal composition, characterized in that it contains as active agent one or more compounds of formula I! or salt thereof in which R.sup.1, R.sup.2, R.sup.3, R.sup.4 are as described above.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.