The invention disclosed in this document is related to the field of pesticides and their use in controlling pests. Novel pyridine compounds for use in controlling pests are disclosed.
The invention disclosed in this document is related to the field of pesticides and their use in controlling pests. Novel pyridine compounds for use in controlling pests are disclosed.
A trifluoromethylpyridine selected from the group consisting of α-trifluoromethylpyridine, y-trifluoromethylpyridine, a bis(trifluoromethyl)pyridine and chlorides thereof which have 1 to 3 chlorine atoms in its pyridine nucleus is produced by reacting a pyridine derivative selected from the group consisting of a-picoline, y-picoline and a lutidine with chlorine and anhydrous hydrogen fluoride at a temperature of 300 to 600°C in a vapor phase in the presence of a diluent and a catalyst comprising a fluoride of a metallic element selected from the group consisting of aluminium, chromium, iron, nickel, manganese, cobalt and copper.