Imidazole derivatives
US4185992A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Mar 2, 1978 |
| Grant date | Jan 29, 1980 |
| Priority date | — |
| Expiry date | Mar 2, 1998 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C49/807
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Imidazole derivatives of the formula: ##STR1## wherein R.sup.1 represents hydrogen, or an alkyl group containing from 1 to 10 carbon atoms or an alkenyl or alkynyl group containing from 2 to 10 carbon atoms, and R.sup.2, R.sup.3 and R.sup.4, which may be the same or different, each represent hydrogen, halogen or trifluoromethoxy, or a methyl, ethyl, propyl or isopropyl group optionally substituted by one or more fluorine atoms, or one of the symbols R.sup.2, R.sup.3 and R.sup.4 represents methoxy and at least one of the other symbols R.sup.2, R.sup.3 and R.sup.4 represents halogen or trifluoromethoxy or a methyl, ethyl, propyl or isopropyl group optionally substituted by one or more fluorine atoms, are new compounds useful as herbicides.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.