Pliekhov O. Сatalysis of Oxidation of alkylarenes by the system N-hydroxyphthalimide / cobalt salts (II)

The object of study - alkylbenzenes oxidation reaction in the presence of a catalyst system NHPI / Co (II). The purpose of the research is clarify details of the mechanism of the oxidation reaction of alkylbenzenes in the presence of a catalyst system NHPI - cobalt salt (II), the establishment of physical-chemical laws this process, determination of factors influence the catalytic activity of the system of NHPI - cobalt salt (II).Investigation of the effect of the catalytic system NHPI / Co (II) when the properties of the oxidizable substrate. The study of the complexation in the NHPI / Co (II). Study of the effect of solvent on the oxidation of alkyl benzenes catalyzed system NHPI / Co (II). Investigation of the influence of ligands on the catalytic effect of the co-catalyst system NHPI / Co (II). Study of kinetic patterns and elucidation of the mechanism of the oxidation reaction of alkylbenzenes molecular oxygen in the presence of a catalyst system NHPI - cobalt salt (II). Methods of research - UV, IR, 1H NMR spectroscopy, potentiometric titration. The thesis is devoted to establishing of the regularities of oxidation of alkylarenes catalyzed by the system N-hydroxyphthalimide / cobalt(II) salts. The oxidation of alkylbenzenes catalyzed by N-hydroxyimides and cobalt (II) salts of different structures, in the presence of various solvents was systematically studied. The experimental data on the liquid-phase oxidation of alkylbenzenes using a catalyst system NHPI / Co (II), clearly show the feasibility of using this method to obtain the oxygen-containing monomers in high yields under mild conditions, and significantly enhance the existing concept of the mechanism of action of this catalytic system.