Synthesis of 5-methoxy(hydroxy)substituted 4-chlorothiazol-3-carboxylic acids, their methyl esters, and insecticidal activity of compositions based on these compounds and Kerber insecticide
5-Methoxy(hydroxy)-substituted 4-chloroisothiazole-3-carboxylic acids and their methyl esters have been synthesized from 4,5-dichloro-3-trichloromethylisothiazole. Some of the compounds obtained increase the activity of Kerber insecticide.