Herbicidal hydantoin derivatives
US4902337A · kind A · utility
6Cited by
1References
4Claims
0Family size
Assignees
Inventors
Key dates
| Filing date | Sep 2, 1987 |
| Grant date | Feb 20, 1990 |
| Priority date | — |
| Expiry date | Sep 2, 2007 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D233/96
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Novel hydantoin derivative which is represented by the formula: ##STR1## (wherein X and Y represent a halogen atom, R.sup.1 represents a hydrogen atom, an alkyl group, a cycloalkyl group, an alkenyl group or an alkynyl group, R.sup.2 represents a hydrogen atom, an alkyl group, an alkenyl group or an alkynyl group, and R.sup.3 and R.sup.4 independently represent a hydrogen atom or a lower alkyl group), and a herbicide containing said derivative as effective ingredient. This hydantoin derivative exhibit excellent weed-killing activity for harmful weeds and low phytotoxicity for crop plants.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.