Herbicidal pyridinium compounds and compositions
US4602944A · kind A · utility
2Cited by
1References
14Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Sep 27, 1984 |
| Grant date | Jul 29, 1986 |
| Priority date | — |
| Expiry date | Sep 27, 2004 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D401/12
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Herbicidally-active compounds of the formula: ##STR1## where: Y represents halo or trifluoromethyl; PA0 Z represents hydrogen, halo, trifluoromethyl or nitro; PA0 A represents --N.dbd. or ##STR2## where X is as defined above for Z; and R represents --N.sup.- Q.sup.+ or --NH--Q.sup.+ An.sup.- where Q.sup.+ is a quaternized heterocyclic group bonded through a nitrogen atom thereof, and An.sup.- is a suitable anion, methods for their preparation and compositions containing them.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.