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2-[5-(4-Hydroxy-phen-yl)-1-phenyl-1H-pyrazol-3-yl]phenol.

ABSTRACT: The title compound, C(21)H(16)N(2)O(2), was derived from 1-(2-hydroxy-phen-yl)-3-(4-methoxy-phen-yl)propane-1,3-dione. The pyrazole ring and one of the hydr-oxy-substituted benzene rings are approximately coplanar, forming a dihedral angle of 7.5?(3)°. The relative conformation of these rings may be influenced by an intra-molecular O-H?N hydrogen bond. In the crystal structure, inter-molecular O-H?O hydrogen bonds involving different hydr-oxy groups of symmetry-related mol-ecules form extended chains along [201].

SUBMITTER: Badshah A

PROVIDER: S-EPMC2961782 | biostudies-literature | 2008 Jun

REPOSITORIES: biostudies-literature

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2-[5-(4-Hydroxy-phen-yl)-1-phenyl-1H-pyrazol-3-yl]phenol.

Badshah Amir A Hasan Aurangzeb A Barbarín Cecilia R CR Zia Mehwash M

Acta crystallographica. Section E, Structure reports online 20080613 Pt 7

The title compound, C(21)H(16)N(2)O(2), was derived from 1-(2-hydroxy-phen-yl)-3-(4-methoxy-phen-yl)propane-1,3-dione. The pyrazole ring and one of the hydr-oxy-substituted benzene rings are approximately coplanar, forming a dihedral angle of 7.5 (3)°. The relative conformation of these rings may be influenced by an intra-molecular O-H⋯N hydrogen bond. In the crystal structure, inter-molecular O-H⋯O hydrogen bonds involving different hydr-oxy groups of symmetry-related mol-ecules form extended c ...[more]

PMID: 21202898

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2-{5-[2-(4-Nitro-phen-oxy)phen-yl]-1-phenyl-1H-pyrazol-3-yl}phenol.

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Project description:The title compound, C(16)H(14)N(2)O(2), was derived from 1-(2-hydroxy-phen-yl)-3-(2-methoxy-phen-yl)propane-1,3-dione. The mol-ecule is essentially planar (r.m.s. deviation for all non-H atoms = 0.089?Å). Two intra-molecular hydrogen bonds stabilize the mol-ecular conformation and one N-H?O hydrogen bond stabilizes the crystal structure.

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4-[Tris(1H-pyrazol-1-yl)meth-yl]phenol.

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