A new natural compound, esculetin-5-O-β-D-glucopyranoside (1), along with two known flavonoids, quercetin (2) and kaempferol-3-β-D-glucopyranoside (3), was purified from the heartwood of Fraxinus velutina. Their chemical structures were elucidated by spectroscopic methods, including extensive 1D and 2D NMR, and MS techniques.
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Acknowledgment
This work was financially supported by the State Key Laboratory of Tree Genetics and Breeding (Northeast Forestry University) (K2013101), Natural Science Foundation of Tianjin City (13JCZDJC29400), and National Natural Science Foundation of China (31170541).
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Published in Khimiya Prirodnykh Soedinenii, No. 6, November–December, 2015, pp. 912–914.
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Si, CL., Ren, XD., Du, ZG. et al. Purification and Spectroscopic Elucidation of a New Coumarin Glucoside in Fraxinus velutina Heartwood. Chem Nat Compd 51, 1059–1061 (2015). https://doi.org/10.1007/s10600-015-1491-5
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DOI: https://doi.org/10.1007/s10600-015-1491-5