1,10-Phenanthroline-5,6-dione is an organic compound with the formula C12H6O2N2. It is the quinone derivative of 1,10-phenanthroline. The compound exhibits many reactions, including condensations with diamines to give quinoxalines and decarbonylation to give a diazafluorenone.[1]
The compound is prepared by oxidation of 1,10-phenanthroline with a mixture of nitric and sulfuric acids.[1] 5-Nitro-1,10-phenanthroline is an intermediate.[2]
^ abDickeson, JE; Summers, LA (1970). "Derivatives of 1,10-Phenanthroline-5,6-quinone". Australian Journal of Chemistry. 23 (5): 1023. doi:10.1071/ch9701023.
^Smith, G. Frederick; Cagle, F. Wm. (1947). "The Improved Synthesis of 5-Nitro-1, 10-Phenanthroline". The Journal of Organic Chemistry. 12 (6): 781–784. doi:10.1021/jo01170a007. PMID18919731.