Thienopyridine derivatives, their preparation and insecticidal and acaricidal compositions containing them.

摘要

Compounds of formula (I):
<Chemistry id="chema01" num="0001"><Image id="ia01" he="31" wi="78" file="IMGA0001.TIF" imgContent="chem" imgFormat="TIFF" inline="no" /></Chemistry>(in which R<Sup>1</Sup>, R<Sup>2</Sup> and R<Sup>6</Sup> represent hydrogen or methyl, R<Sup>3</Sup> represents methyl or ethyl, R<Sup>4</Sup> represents an alkyl group or allyl and R<Sup>5</Sup> represents hydrogen, methyl or chlorine) and acid addition salts thereof have acaricidal and insecticidal activity and may be formulated with suitable carriers or diluents for agricultural, horticultural or domestic use. Processes for the preparation of these compounds are also disclosed.