Acta Crystallographica Section E

Structure Reports Online

Volume 69, Part 8 (August 2013)

organic compounds

Acta Cryst. (2013). E69, o1284-o1285    [ doi:10.1107/S1600536813019508 ]


R. Sandhya, M. Sithambaresan, S. Prathapan and M. R. P. Kurup

Abstract: The phenyl and tert-butyl groups of the title compound, C27H25NO3, exhibit a trans configuration in agreement with the stereochemistry of the Z phenyl-N-tert-butyl­nitrone starting material. The attached carbonyl groups are not coplanar with the neighboring di­hydro­isoxazole ring and the phenyl rings they are bonded to, with torsion angles of 59.26 (8), 17.53 (11), 16.52 (12) and 52.86 (7)°. The dihedral angle between the di­hydro­isoxazole ring and the directly attached phenyl group is 86.86 (8)°. There are two nonclassical inter­molecular C-H...O hydrogen-bonding inter­actions that operate together with an inter­molecular C-H...[pi] inter­action to form a supramolecular architecture in the crystal system.

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