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


ABSTRACT: In the title compound, C(24)H(19)N(3)O, 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 hy-droxy group forms an intra-molecular hydrogen bond to the quinoline N atom. In the crystal, mol-ecules are connected into supra-molecular layers two mol-ecules thick in the bc plane by C-H?O and C-H?? inter-actions.

SUBMITTER: Najib MH 

PROVIDER: S-EPMC3414180 | biostudies-literature | 2012 Aug

REPOSITORIES: biostudies-literature

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

Najib Muhd Hidayat Bin MH   Tan Ai Ling AL   Young David J DJ   Ng Seik Weng SW   Tiekink Edward R T ER  

Acta crystallographica. Section E, Structure reports online 20120704 Pt 8


In the title compound, C(24)H(19)N(3)O, 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 hy-droxy group forms an intra-molecular hydrogen bond to the quinoline N atom. In the crystal, mol-ecules  ...[more]

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