Published in
International Union of Crystallography, Acta Crystallographica Section E: Structure Reports Online, 8(68), p. o2350-o2350, 2012
DOI: 10.1107/s1600536812029789
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1-[2,6-Dichloro-4-(trifluoromethyl)phenyl]-3,4-dimethylpyrano[2,3-c]pyrazol-6(1H)-one
Journal article published in 2012 by
Hoong-Kun Fun 
,
Wan-Sin Loh,
B. K. Sarojini,
B. J. Mohan,
B. Narayana
,
Wan-Sin Loh,
B. K. Sarojini,
B. J. Mohan,
B. Narayana
This paper is made freely available by the publisher.
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Abstract
In the title compound, C15H9Cl2F3N2O2, the 1,6-dihydropyrano[2,3-c]pyrazole ring system is almost planar, with a maximum deviation of 0.0226 (14) Å, and forms a dihedral angle of 69.90 (6)° with the benzene ring. In the crystal, molecules are linked into a helical chain along thecaxis by C—H...O hydrogen bonds.