Research Article: (3S,4R)-3-Ethyl-4-hydr­oxy-3-(3-methoxy­phen­yl)-1-methyl­azepanium (2R,3R)-2,3-bis­(benzo­yloxy)-3-carboxy­propionate

Date Published: May 01, 2010

Publisher: International Union of Crystallography

Author(s): Bo Chao, Xing-Hai Wang, Jian Sun, Zhui-Bai Qiu.

http://doi.org/10.1107/S1600536810013425

Abstract

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.

Partial Text

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 ▶).

 

Source:

http://doi.org/10.1107/S1600536810013425

 

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