Electronic training manual. - Nizhny Novgorod: NSU, 2010. - 37 s. In this tutorial, the kinetics and mechanism of radical chain reactions of oxidation of organic compounds and their inhibition by phenolic-type inhibitors . are considered. The classification of inhibitors, their properties that determine the effectiveness of the action, the possible reactions of phenolic inhibitors in the process of oxidation of organic compounds are considered. The electronic training manual is intended for UNN students studying in the direction of training 020100 "Chemistry" and specialties 020101 "Chemistry", 020801 "Ecology", 240306 "Chemical technology of single crystals, materials and electronic equipment products", studying the course "Physical Chemistry" .