Hydroxylation of Benzene to Phenol under Air and Carbon Monoxide Catalyzed by Molybdovanadophosphoric Acid

摘要

Phenols are one of the most important classes of raw materials in the chemical industry,and a variety of compounds are derIVed from them,such as resins,dyes,and Pharmaceuticals.In 2000,the worldwide production of phenol was 6.6 megatons.Most of this phenol is produced by the cumene process reported by Hock and Lang in 1944.The direct conversion of benzene to phenol by hydroxylation with O_2 is the most desirable method among phenol syntheses.However,indirect phenol production through the formation of cumene hydroperoxide and oxidatIVe decomposition of benzoic acid are currently employed.