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http://hdl.handle.net/20.500.12358/25780
TitleEthyl 5-amino-3-(pyridin-4-yl)-1-(2, 4, 6-trichlorophenyl)-1H-pyrazole-4-carboxylate dimethyl sulfoxide hemisolvate
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Abstract

The asymmetric unit of the title compound, C 17 H 13 Cl 3 N 4 O 2· 0.5 C 2 H 6 OS, contains two almost identical molecules and one dimethyl sulfoxide (DMSO-d 6) solvent molecule. The pyrazole ring forms dihedral angles of 54.6 (4) and 80.0 (4) in one molecule, and dihedral angles of 54.2 (4) and 81.2 (4) in the other molecule, with the directly attached pyridine and trichlorophenyl rings, respectively. The dihedral angles of the pyridine and trichlorophenyl rings are 51.2 (4) and 52.0 (4), respectively. The crystal packing is characterized by intra-and intermolecular hydrogen bonds. The crystal is a nonmerohedral twin with a contribution of 0.488 (1) for the minor twin component. The terminal ethyl group of one molecule and the S atom of DMSO are disordered over two sites.

Authors
Abu Thaher, Bassam A.
Koch, Pierre
Schollmeyer, Dieter
Laufer, Stefan A
TypeJournal Article
Date2012
Published inActa Crystallographica Section E: Structure Reports Online
SeriesVolume: 68, Number: Pt 3
PublisherInternational Union of Crystallography
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The institutional repository of the Islamic University of Gaza was established as part of the ROMOR project that has been co-funded with support from the European Commission under the ERASMUS + European programme. This publication reflects the views only of the author, and the Commission cannot be held responsible for any use which may be made of the information contained therein.

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The institutional repository of the Islamic University of Gaza was established as part of the ROMOR project that has been co-funded with support from the European Commission under the ERASMUS + European programme. This publication reflects the views only of the author, and the Commission cannot be held responsible for any use which may be made of the information contained therein.

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