Research Article: 3,5-Diphenyl-1-(quinolin-2-yl)-4,5-dihydro-1H-pyrazol-5-ol

Date Published: August 01, 2012

Publisher: International Union of Crystallography

Author(s): Muhd. Hidayat bin Najib, Ai Ling Tan, David J. Young, Seik Weng Ng, Edward R. T. Tiekink.

http://doi.org/10.1107/S1600536812029340

Abstract

In the title compound, C24H19N3O, the pyrazole ring is close to being planar (r.m.s. deviation of the five fitted atoms = 0.062 Å), and each of the N-bound quinoline ring [dihedral angle = 9.90 (7)°] and the C-bound phenyl ring in the 3-position is close to being coplanar [dihedral angle = 8.87 (9)°]. However, the phenyl ring in the 5-position forms a dihedral angle of 72.31 (9)°. The hy­droxy group forms an intra­molecular hydrogen bond to the quinoline N atom. In the crystal, mol­ecules are connected into supra­molecular layers two mol­ecules thick in the bc plane by C—H⋯O and C—H⋯π inter­actions.

Partial Text

For applications of coordination complexes of hydrazones as organic light emitting diodes and supra­molecular magnetic clusters, see: Zhang et al. (2011 ▶, 2012 ▶). For the synthesis of hydrazones, see: Gupta et al. (2007 ▶). For background to and the synthesis of the target mol­ecules, see: Najib et al. (2012a ▶,b ▶,c ▶)

 

Source:

http://doi.org/10.1107/S1600536812029340

 

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