Acta Cryst. (2012). E68, o2720 [ doi:10.1107/S160053681203543X ]
Abstract: In the title compound, C29H27ClN4O2, the six-membered ring of the pyridazine group is nearly planar [maximum deviation = -0.062 (2) Å] and its mean plane makes dihedral angles of 43.05 (9), 44.71 (10) and 72.57 (9)°, respectively, with the two phenyl and benzene rings. The piperazine ring has a chair conformation and its mean plane is almost perpendicular to the attached benzene ring, with a dihedral angle of 83.20 (16)°. In the crystal, molecules are linked via two pairs of C-HO interactions, which result in the formation of chains propagating along [10-1]. Neighbouring chains are linked via C-H interactions.
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