The present application provides processes for making pesticidal compounds and compounds useful both as pesticides and in the making of pesticidal compounds. The present application further relates to an efficient and economical synthetic chemical processes for the preparation of pesticidal thioether and pesticidal sulfoxides in high yield from commercially available starting materials.La présente invention concerne des procédés de fabrication de composés pesticides et des composés utiles à la fois en tant que pesticides et dans la fabrication de composés pesticides.