Abstract
Three new secolignan glycosides {3,4-trans-4-[bis(3,4-dimethoxyphenyl)methyl]-2-oxotetrahydrafuran-3-yl}methyl-O-β-glucopyranoside (1), {3,4-trans-4-[(3-methoxy-4-hydroxyphenyl)(3,4-dimethoxyphenyl)methyl]-2-oxotetrahydrafuran-3-yl}methyl-O-β-glucopyranoside (2) and {3,4-cis-4-[(3-methoxy-4-hydroxyphenyl)(3,4-dimethoxyphenyl)methyl]-2-oxotetrahydrafuran-3-yl}methyl-O-β-glucopyranoside (3) were isolated from the roots of Urtica fissa E. Pritz. Their structures were identified by spectral methods including 1D NMR, 2D NMR and HR-EI-MS.
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Acknowledgments
This project was financially supported by the Program for New Century Excellent Talents in University of the Ministry of Education of China (NCET-10-0854) and the National Natural Science Foundation of China (No. 30572317 and 30901958).
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Feng, Bm., Qin, Hh., Wang, Hg. et al. Three new secolignan glycosides from Urtica fissa E. Pritz. J Nat Med 66, 562–565 (2012). https://doi.org/10.1007/s11418-011-0615-x
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DOI: https://doi.org/10.1007/s11418-011-0615-x