Herbicides
US6204221A · kind A · utility
4Cited by
2References
14Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 7, 1999 |
| Grant date | Mar 20, 2001 |
| Priority date | — |
| Expiry date | May 7, 2019 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D401/04
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
##STR1## Compounds of formula (I) in which A is .dbd.N-- or (a); W is a group (W1), (W2) or (W3); R.sub.11 is hydrogen, fluorine, chlorine, bromine or methyl; and R.sub.1 to R.sub.5, R.sub.13,n.sub.1 and n.sub.13 are as defined in claim 1, and the pyrazole N-oxydes, agrochemically tolerated salts and stereoisomers of these compounds of formula (I), have good pre- and post-emergent selective herbicidal properties. The preparation of these compounds and their use as herbidical active substances are described.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.