A new secoiridoid glucoside, oleuropein-4″-methyl ether, was isolated, together with two known secoiridoid glucosides, ligstroside and oleuropein, from the leaves of Fraxinus rhynchophylla Hance by repeated column chromatography over Sephadex LH-20. The structure of the new compound has been characterized on the basis of spectroscopic evidence.
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Acknowledgment
This project was financially supported by the China Postdoctoral Science Foundation (Nos.200801219, 20070410199), the Natural Science Foundation of Tianjin City (09JCYBJC 15800, 09JCZDJC 21800), and the Scientific Research Foundation for Returning Overseas Chinese Scholars, State Education Ministry, China (No. 2008-101).
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Published in Khimiya Prirodnykh Soedinenii, No. 6, pp. 682–683, November–December, 2009.
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Si, CL., Zhang, Y., Zhu, ZY. et al. Isolation and structure elucidation of secoiridoid glucosides from Fraxinus rhynchophylla leaves. Chem Nat Compd 45, 814–816 (2009). https://doi.org/10.1007/s10600-010-9498-4
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DOI: https://doi.org/10.1007/s10600-010-9498-4