Acta Crystallographica Section E

Structure Reports Online

Volume 69, Part 5 (May 2013)


organic compounds



rz5054 scheme

Acta Cryst. (2013). E69, o662    [ doi:10.1107/S1600536813008702 ]

3-[2-(3-Phenyl-2-oxo-1,2-dihydroquinoxalin-1-yl)ethyl]-1,3-oxazolidin-2-one

B. Daouda, M. L. Doumbia, E. M. Essassi, M. Saadi and L. El Ammari

Abstract: The dihydroquinoxaline ring system of the title molecule, C19H17N3O3, is approximately planar [maximum deviation = 0.050 (2) Å], the dihedral angle between the planes through the two fused rings being 4.75 (8)°. The mean plane through the fused-ring system forms a dihedral angle of 30.72 (5)° with the attached phenyl ring. The molecular conformation is enforced by C-H...O hydrogen bonds. In the crystal, molecules are linked by weak C-H...O hydrogen bonds, forming a three-dimensional network.


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