Date Published: May 01, 2009
Publisher: International Union of Crystallography
Author(s): Lei Gao, Li-hua Guo, Rui Liu, Dan-hua Que, Hong-fei Ma.
In the molecule of the title compound, C16H15NO5, the aromatic rings are oriented at a dihedral angle of 74.89 (3)°. Intramolecular C—H⋯O interactions result in the formation of a seven-membered ring. In the crystal structure, weak intermolecular C—H⋯O interactions link the molecules into chains along the b axis.
The title compound is an important pharmaceutical intermediate. For general background, see: Mizuta et al. (2002 ▶). For bond-length data, see: Allen et al. (1987 ▶).