3-(3-Chloro-2-hydroxyphenyl)-1-phenyl-1H-pyrazole-4-carbaldehyde

Lokhande, P. and Ali, Hapipah Mohd and Khaledi, H. and Hasanzadeh, K. (2011) 3-(3-Chloro-2-hydroxyphenyl)-1-phenyl-1H-pyrazole-4-carbaldehyde. Acta Crystallographica Section E: Structure Reports Online, 67. O2736. ISSN 1600-5368, DOI https://doi.org/10.1107/s1600536811038025.

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Abstract

In the title compound, C16H11ClN2O2, the pyrazole ring makes dihedral angles of 11.88 (13) and 22.33 (13)degrees with the 3-chloro-2-hydroxybenzene group and phenyl rings, respectively. The phenolic hydroxy group forms an intramolecular O-H center dot center dot center dot N hydrogen bond with the imine N atom of the pyrazole unit. The formyl group is virtually coplanar with the pyrazole ring [dihedral angle = 4.5 (19)degrees] and acts as an acceptor in an intramolecular C-H center dot center dot center dot O hydrogen bond closing seven-membered ring. In the crystal, adjacent molecules are linked through C-H center dot center dot center dot O hydrogen bonds into infinite chains along the b axis.

Item Type:	Article
Funders:	UNSPECIFIED
Additional Information:	Department of Chemistry, Faculty of Science Building, University of Malaya, 50603 Kuala Lumpur, MALAYSIA
Subjects:	Q Science > QD Chemistry
Divisions:	Faculty of Science > Department of Chemistry
Depositing User:	Miss Malisa Diana
Date Deposited:	22 Mar 2013 01:59
Last Modified:	30 Jan 2019 01:12
URI:	http://eprints.um.edu.my/id/eprint/5213

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