9-(4-Dimethylaminophenyl)-3,3,6,6-tetramethyl-3,4,6,7,9,10-hexahydro-1,8(2H,5H)-acridinedione

In the title compound, C₂₅H₃₂N₂O₂, the central ring in the acridine moiety is nearly planar while the two outer rings adopt half-chair conformations. The phenyl ring is axia with respect to the central pyridine ring.

-1