Dehua Zhang, Xiaoyan Zhang, Lijuan Guo
Mar 28, 2009
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Journal
Acta Crystallographica Section E: Structure Reports Online
Abstract
The title compound, C26H25Cl3N6O4, was prepared by the reaction of (Z)-ethyl 3-amino-3-(4-chlorophenyl)-2-cyanoacrylate and 4-chloro-3-ethyl-1-methyl-1H-pyrazole-5-carbonyl chloride. The dihedral angles between the chlorobenzene and the two pyrazole rings are 59.8 (2) and 33.3 (2)°. The two pyrazole rings are oriented to each other at a dihedral angle of 84.7 (2)°. The crystal packing is governed by intermolecular C—H⋯O interactions, resulting in a three-dimensional network. The ethyl groups are disordered over two positions, with site-occupancy factors of 0.71/0.29 and 0.51/0.49.