Date Published: May 01, 2010
Publisher: International Union of Crystallography
Author(s): Bo Chao, Xing-Hai Wang, Jian Sun, Zhui-Bai Qiu.
The crystal structure of the title compound, C16H26NO2+·C18H13O8−, is stabilized by an extensive network of classical N—H⋯O and O—H⋯O hydrogen bonding. The crystal structure also shows an ammonium-driven diastereoisomerism.
For the synthesis of the racemic compound, see: Hao et al. (2005 ▶). For conformational studies of seven-membered rings, see: Eliel et al. (1994 ▶); Entrena et al. (2005 ▶). For a related structure, see: Wang et al. (2008 ▶).