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Volume 66 
Part 8 
Page o2080  
August 2010  

Received 7 July 2010
Accepted 15 July 2010
Online 21 July 2010

Key indicators
Single-crystal X-ray study
T = 293 K
Mean [sigma](C-C) = 0.004 Å
R = 0.036
wR = 0.102
Data-to-parameter ratio = 8.7
Details
Open access

1-[2-(2-Oxo-1,3-oxazolidin-3-yl)ethyl]-4-phenyl-1H-1,5-benzodiazepin-2(3H)-one

aLaboratoire de Chimie Organique Hétérocyclique, Pôle de Compétences Pharmacochimie, Université Mohammed V-Agdal, BP 1014 Avenue Ibn Batout, Rabat, Morocco,bCNRST Division UATRS, Angle Allal Fassi/FAR, BP 8027 Hay Riad, Rabat, Morocco, and cDepartment of Chemistry, University of Malaya, 50603 Kuala Lumpur, Malaysia
Correspondence e-mail: seikweng@um.edu.my

The seven-membered ring in the title compound, C20H19N3O3, adopts a boat conformation with the two phenylene C atoms representing the stern and the methylene C atom the prow. The dihedral angle between the best plane through the seven-membered ring (r.m.s deviation = 0.358 Å) and the phenyl substituent is 55.8 (1)°. The two rings at either ends of the ethyl chain are staggered [N-CH2-CH2-N torsion angle = 57.5 (4)°].

Related literature

For the background to 2,3-dihydro-1H-1,5-benzodiazepin-2-ones, see: Ahabchane et al. (1999[Ahabchane, N. H., Keita, A. & Essassi, E. M. (1999). C. R. Ser. IIC, 2, 519-523.]). For a related structure, see: Ballo et al. (2010[Ballo, D., Ahabchane, N. H., Zouihri, H., Essassi, E. M. & Ng, S. W. (2010). Acta Cryst. E66, o1277.]).

[Scheme 1]

Experimental

Crystal data
  • C20H19N3O3

  • Mr = 349.38

  • Orthorhombic, P 21 21 21

  • a = 9.0163 (5) Å

  • b = 11.6671 (6) Å

  • c = 16.2019 (8) Å

  • V = 1704.34 (15) Å3

  • Z = 4

  • Mo K[alpha] radiation

  • [mu] = 0.09 mm-1

  • T = 293 K

  • 0.25 × 0.25 × 0.15 mm

Data collection
  • Bruker X8 APEXII diffractometer

  • 9253 measured reflections

  • 2053 independent reflections

  • 1578 reflections with I > 2[sigma](I)

  • Rint = 0.039

Refinement
  • R[F2 > 2[sigma](F2)] = 0.036

  • wR(F2) = 0.102

  • S = 0.90

  • 2053 reflections

  • 235 parameters

  • H-atom parameters constrained

  • [Delta][rho]max = 0.12 e Å-3

  • [Delta][rho]min = -0.16 e Å-3

Data collection: APEX2 (Bruker, 2008[Bruker (2008). APEX2 and SAINT. Bruker AXS Inc., Madison, Wisconsin, USA.]); cell refinement: SAINT (Bruker, 2008[Bruker (2008). APEX2 and SAINT. Bruker AXS Inc., Madison, Wisconsin, USA.]); data reduction: SAINT; program(s) used to solve structure: SHELXS97 (Sheldrick, 2008[Sheldrick, G. M. (2008). Acta Cryst. A64, 112-122.]); program(s) used to refine structure: SHELXL97 (Sheldrick, 2008[Sheldrick, G. M. (2008). Acta Cryst. A64, 112-122.]); molecular graphics: X-SEED (Barbour, 2001[Barbour, L. J. (2001). J. Supramol. Chem. 1, 189-191.]); software used to prepare material for publication: publCIF (Westrip, 2010[Westrip, S. P. (2010). J. Appl. Cryst. 43, 920-925.]).


Supplementary data and figures for this paper are available from the IUCr electronic archives (Reference: ZS2052 ).


Acknowledgements

We thank Université Mohammed V-Agdal and the University of Malaya for supporting this study.

References

Ahabchane, N. H., Keita, A. & Essassi, E. M. (1999). C. R. Ser. IIC, 2, 519-523.  [ChemPort]
Ballo, D., Ahabchane, N. H., Zouihri, H., Essassi, E. M. & Ng, S. W. (2010). Acta Cryst. E66, o1277.  [CrossRef] [details]
Barbour, L. J. (2001). J. Supramol. Chem. 1, 189-191.  [CrossRef] [ChemPort]
Bruker (2008). APEX2 and SAINT. Bruker AXS Inc., Madison, Wisconsin, USA.
Sheldrick, G. M. (2008). Acta Cryst. A64, 112-122.  [CrossRef] [details]
Westrip, S. P. (2010). J. Appl. Cryst. 43, 920-925.  [ISI] [CrossRef] [ChemPort] [details]


Acta Cryst (2010). E66, o2080  [ doi:10.1107/S160053681002828X ]

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