Heterocyclic compounds
US4941909A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Feb 14, 1989 |
| Grant date | Jul 17, 1990 |
| Priority date | — |
| Expiry date | Feb 14, 2009 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D409/12
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
The invention is concerned with novel compounds of the formula ##STR1## wherein R.sup.1, R.sup.2, R.sup.3, R.sup.4, R.sup.5 and R.sup.6 have the significances given in the description, as well as enol ethers and salts thereof and their manufacture, weed control compositions which contain such compounds as active substances and the use of the active substances or compositions for the control of weeds. The invention is also concerned with certain starting materials which have herbicidal activity and with weed control compositions containing these.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.