Benzo-fused cyclic compounds
US5077401A · kind A · utility
2Cited by
6References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 6, 1989 |
| Grant date | Dec 31, 1991 |
| Priority date | — |
| Expiry date | Oct 6, 2009 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D487/04
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Herbicidal benzo-fused cyclic compounds of the formula ##STR1## wherein Q is ##STR2## Y is O or S, W is ##STR3## T is O, S, --NH-- or ##STR4## and R.sup.4 may represent, together with T, chlorine, PA0 Z is O or S, PA0 X is hydrogen or halogen, PA0 n is 0 or 1 and PA0 R is C.sub.3-6 cycloalkyl, and optionally substituted 5-membered heterocyclic group or an optionally substituted 6-membered heteroaromatic group which contains one to three nitrogen atoms, and salts thereof.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.