Planta Medica 2009-05-01

Structural revision of two flavanonol glycosides from Smilax glabra.

Xiang Zhou, Qiang Xu, Jian-Xin Li, Ting Chen

Index: Planta Med. 75(6) , 654-5, (2009)

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Abstract

The structures of two flavanonol glycosides isolated from Smilax glabra, named smitilbin and neosmitilbin, have been revised to isoastilbin and neoastilbin, respectively. The revised structures were determined based on intensive studies of chemical interconversion, NMR spectroscopy, and X-ray crystallographic analysis. The latest NMR data were also summarized.Copyright Georg Thieme Verlag KG Stuttgart. New York.