Application of bipyridine catalyst in preparation of 2-alkylanthraquinone by oxidation with oxygen-containing gas

Abstract

The application relates to the technical field of chemical engineering and discloses application of a bipyridine catalyst in preparation of 2-alkylanthraquinone through oxidation of an oxygen-containing gas, which comprises the following steps: under the condition of the catalyst, 2-alkylanthracene is oxidized in water or an organic solvent through an oxygen-containing gas to obtain 2-alkylanthraquinone; the catalyst is 2,2'-bipyridyl copper chloride. The complex formed by a metal salt and an organic ligand is used as the catalyst, the reaction flow is short, the conversion rate of 2-alkylanthracene and the selectivity and yield of 2-alkylanthraquinone are all relatively high; the oxygen-containing gas is used as an oxidant, 2-alkylanthracene is used as a substrate to prepare 2-alkylanthraquinone, the reaction is less polluted, the atomic utilization rate is high, basically no 'three wastes' are generated, the operation is safe and convenient, and the application is suitable for industrialized production.