ACTA CRYSTALLOGRAPHICA SECTION E-STRUCTURE REPORTS ONLINE, cilt.64, 2008 (SCI-Expanded)
The title compound, C30H30N4O2, has a non-planar conformation, the dihedral angles formed by the pyridazinone ring plane and the three phenyl rings being 54.61 (7), 51.10 (7) and 59.53 (8)degrees. The piperazine ring adopts a chair conformation. Inter- and intramolecular C-H center dot center dot center dot O contacts are found in the crystal structure and these consolidate the three-dimensional packing.