A new arbutin derivative from the herb of Myrothamnus flabellifolia Welw
The ethyl acetate soluble fraction of an acetone/water extract of the air-dried aerial parts from Myrothamnus flabellifolia Welw. (Myrothamnaceae) was fractionated by a combination of CC on Sephadex LH-20, MPLC on RP-18 material and LPLC on MCI-gel. This procedure has led
to the isolation of 2,3-di-O-galloylarbutin, a new representative of the rare 2,3-diacylated glucopyranosides. The structure was elucidated with the help of 2D-NMR and ESI-MS experiments. Conformation of D-glucose was established by CZE (capillary zone electrophoresis).
Document Type: Short Communication
Affiliations: 1: Institute of Pharmaceutical Biology and Phytochemistry, Westfaelische Wilhelms-University, Münster, Germany 2: Institute of Pharmaceutical Biology and Phytochemistry, Westfaelische Wilhelms-University, Hittorfstr. 56, Münster, D-48149, Germany, Email: [email protected]
Publication date: 01 July 2007
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