Syntheses of 9,10-Phenanthrenequinone and 9-Methoxyphenanthrene by Oxidation of Phenanthrene with Dihydroxy Phenylselenonium Benzenesulfonate

Abstract
9,10-Phenanthrenequinone is prepared by oxidation of phenanthrene with dihydroxy phenylselenonium benzenesulfonate in boiling dioxane-water. 9-methoxyphenanthrene is obtained when the reaction is carried out in methanol.