Acaricidal pyridinium salts
US4025632A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Jan 30, 1975 |
| Grant date | May 24, 1977 |
| Priority date | — |
| Expiry date | Jan 30, 1995 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D213/89
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Compounds of formula ##STR1## in which R.sup.1, R.sup.2, R.sup.3, R.sup.4 and R.sup.5 are the same or different and each represents hydrogen, halogen, nitro, alkyl, substituted alkyl, alkoxy, carboxy or an ester, amide or mono- or di-substituted amide thereof, aryl, heterocyclic, aralkyl, cyano or hydroxy, with the proviso that R.sup.3 does not represent a second group of formula I or II in which R.sup.3 is merely a bond; PA1 R.sup.6 represents a group of formula COR.sup.8, COOR.sup.8, CONR.sup.8 R.sup.9 or SO.sub.2 R.sup.8, in which R.sup.8 represents alkyl, substituted alkyl, aryl, substituted aryl, aralkyl, substituted aralkyl, aralkenyl, substituted aralkenyl, cycloalkyl or heterocyclic, and R.sup.9 represents hydrogen, alkyl, substituted alkyl, phenyl or substituted phenyl; PA1 R.sup.7 represents hydrogen, alkyl of 1 to 4 carbon atoms or a group as defined under R.sup.6 ; and PA1 X.sup.- represents one equivalent of an anion are acaricides, especially for use on crops.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.