J. Ganapathy, R. Jayarajan, G. Vasuki
Mar 30, 2015
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Abstract
The crystal structure of the potential active 2-amino-4-(4-hydroxy-3-methoxyphenyl)-7, 9-dimethyl-5-oxo-4, 5, 6, 7-tetrahydropyrano [2, 3-d] pyrazolo [3, 4-b] pyridine-3-carbonitrile (C 21 H 22 N 5 O 6 S) has been determined from single crystal X-ray diffraction data. In the title compound crystallizes in the monoclinic space group P-1 with unit cell dimension a=8.1201(9)Å, b=12.2684(4)Å and c= 12.387(2)Å [ α =69.573 o , β = 12.168 o and γ =76.060 o ]. In the structure the pyrazole, pyridine and pyran are almost coplanar each other. The crystal packing is stabilized by intermolecular C-H...O and N-H...O hydrogen bond interaction.