| abstract |
Pesticidal compositions contain as active ingredient N-substituted 2- (nitromethylene) -tetrahydro-2H-1,3-thiazines of the formula I in which R is an alkyl or alkenyl group having up to 26 carbon atoms or an alkyl group represented by one or more halogen atoms is substituted by an alkoxy, alkoxy carbonyl, alkanoyloxy, oxobicycloalkyl, cycloimido, optionally substituted phenyl or phenoxy or trialkylsilyl group or by a quaternary ammonium group of the formula Q-R1 / 3N + -, in which each group R is one Alkyl groups and 0 is a monovalent anion; and where N is O or 1. |