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  • Title: Absolute configuration of (6S,9S)-roseoside from Polygonum hydropiper.
    Author: Murai Y, Kashimura S, Tamezawa S, Hashimoto T, Takaoka S, Asakawa Y, Kiguchi K, Murai F, Tagawa M.
    Journal: Planta Med; 2001 Jul; 67(5):480-1. PubMed ID: 11488470.
    Abstract:
    From Polygonum hydropiper L., a C13-norisoprenoid glucoside was isolated and its absolute configuration was established to be (6S,9S)-roseoside (1) by spectroscopic evidence and X-ray crystallographic analysis of its acetate derivative (2). In addition, the stereostructure of roseoside from Canthium subcordatum was revised to the (6S,9S) configuration.
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