Research Article: 4-Formyl­phenyl 2,3,4,6-tetra-O-acetyl-β-d-galactopyran­oside

Date Published: April 01, 2011

Publisher: International Union of Crystallography

Author(s): Rusnah Syahila Duali Hussen, Thorsten Heidelberg, Nasrul Zamani Mohd Rodzi, Seik Weng Ng, Edward R. T. Tiekink.

http://doi.org/10.1107/S1600536811008257

Abstract

The galactose ring in the title compound, C21H24O11, has a chair conformation with the substituted benzene ring occupying an equatorial position. The crystal packing features C—H⋯O inter­actions that lead to the formation of supra­molecular layers in the ab plane.

Partial Text

For the synthesis, see: Benassi et al. (2007 ▶); Patil et al. (2008 ▶). For the biological activity of related structures, see: Zheng et al. (2010 ▶). For the structure of the isomeric allopyran­oside and glucopyran­oside derivatives, see: Ye et al. (2009 ▶); Heidelberg et al. (2011 ▶). For conformational analysis, see: Cremer & Pople (1975 ▶).

 

Source:

http://doi.org/10.1107/S1600536811008257

 

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