Published in
International Union of Crystallography, Acta Crystallographica Section E: Structure Reports Online, 5(68), p. o1289-o1290, 2012
DOI: 10.1107/s160053681201344x
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- [www.ncbi.nlm.nih.gov] | PDF
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Diethyl 4-[5-(4-chlorophenyl)-1H-pyrazol-4-yl]-2,6-dimethyl-1,4-dihydropyridine-3,5-dicarboxylate
,
Wan-Sin Loh,
A. M. Vijesh,
Arun M. Isloor,
Shridhar Malladi
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Abstract
In the title compound, C(22)H(24)ClN(3)O(4), intra-molecular C-H⋯O and C-H⋯N hydrogen bonds form S(9) and S(7) ring motifs, respectively. The 1,4-dihydro-pyridine ring adopts a flattened boat conformation. The benzene ring makes a dihedral angle of 33.36 (6)° with the pyrazole ring. In the crystal, pairs of N-H⋯N hydrogen bonds link the mol-ecules into inversion dimers. The dimers are stacked in column along the a axis through N-H⋯O and C-H⋯N hydrogen bonds. The crystal packing also features C-H⋯π inter-actions involving the pyrazole ring.