The present invention relates to N-(thio)acylimino compoundsof formula (I) wherein the variables are as defined in the claims and the description, and the stereoisomers, tautomers and salts thereof. The invention further relates to agricultural or veterinary compositions comprising such compounds, to the use of the compounds for combating invertebrate pests, and to methods of combating invertebrate pests, which comprises applying such compounds.
In order to investigate the generality of a chain-elongation reaction observed in the metabolism of fusaric acid (5-butyl-2-pyridinecarboxylic acid) and its derivatives, various heteroaromatic (diazine, 1, 3-azole, and 1, 2-azole) carboxylic acids with a normal alkyl side-chain were synthesized.