Ester-pyridinium compounds as acaricides
Abstract
Abstract Compounds of formula ##STR1## in which R 1 , R 2 , R 3 , R 4 and R 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 3 does not represent a second group of formula I or II in which R 3 is merely a bond; R 6 represents a group of formula COR 8 , COOR 8 , CONR 8 R 9 or SO 2 R 8 , in which R 8 represents alkyl, substituted alkyl, aryl, substituted aryl, aralkyl, substituted aralkyl, aralkenyl, substituted aralkenyl, cycloalkyl or heterocyclic, and R 9 represents hydrogen, alkyl, substituted alkyl, phenyl or substituted phenyl; R 7 represents hydrogen, alkyl of 1 to 4 carbon atoms or a group as defined under R 6 ; and X - represents one equivalent of an anion are acaricides, especially for use on crops.
Inventors
- 👤 John Henry Parsons
Bibliographic Details
Claims Analysis
Total Claims: 11References Cited (Backward Citations)
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