Research Article: (1RS,4RS,5RS)-Methyl 2-(3,5-dinitro­benzo­yl)-2-oxa-3-aza­bicyclo­[3.3.0]oct-7-ene-4-carboxyl­ate

Date Published: May 01, 2009

Publisher: International Union of Crystallography

Author(s): Carlos A. D. Sousa, José E. Rodríguez-Borges, M. Luísa C. Vale, Xerardo Garcia-Mera.

http://doi.org/10.1107/S160053680901246X

Abstract

The title compound, C15H13N3O8, comprises two crystallographically independent mol­ecules in the asymmetric unit. In the crystal, intermolecular C—H⋯O hydrogen bonds link the molecules and short C=O⋯π contacts are seen.

Partial Text

For the preparation of the precursor of the title compound, see: Sousa et al. (2008 ▶). For examples of the use of the 3,5dinitro­benzoyl­ation technique for the assignment of structures by X-ray, see: Caamaño et al. (2000 ▶); Fernández et al. (2001 ▶).

Source:

http://doi.org/10.1107/S160053680901246X