4,5-Diazafluoren-9-one from the oxidation of 1,10-Phenanthroline by permanganate

Abstract

4,5-Diazafluoren-9-one is a co-product of the oxidation of 1,10- phenanthroline with alkaline potassium permanganate along with 2,2?- bipyridyl-3,3?-dicarboxylic acid.