Date Published: May 01, 2011
Publisher: International Union of Crystallography
Author(s): Zhi-Yu Ju, Wan-Xiang Jiang, Feng-Ling Yang.
In the title compound, C18H16N2O2, the central pyridazine ring forms dihedral angles of 77.08 (5)° and 84.62 (5)° with the two benzene rings. The dihedral angle between the two benzene rings is 68.18 (4)°. A very weak intramolecular C—H⋯N hydrogen bond and an intramolecular C—H⋯π interaction occur. The crystal structure is stabilized by weak intermolecular C—H⋯O hydrogen bonds and weak C—H⋯π and π–π stacking interactions [centroid–centroid distance = 3.6867 (10) Å].
For applications of pyridazinone analogues as highly selective anti-HIV agents, see: Loksha et al. (2007 ▶). For applications as pesticide agents, see: Li et al. (2005 ▶); Selby et al. (2002 ▶). For applications as herbicides, see: Xu et al. (2006 ▶). For related structures, see: Liu et al. (2005 ▶).