Akkurt, M.; Öztürk, S.; Küçükbay, H.; Orhan, E.; Büyükg̈ngör, O.
(2004)
The title compound, C18H18N2O2, was synthesized by heating 2,4-dioxo-1,3-diphenyl-7,8-benzo-6-ethyl-9-(2- phenylethyl)-1,3,6,9-tetrazaspiro[4.4]nonane in toluene. The quinoxaline ring system is planar and the dihedral angle ...