Journal
MAGNETIC RESONANCE IN CHEMISTRY
Volume 46, Issue 9, Pages 898-902Publisher
WILEY
DOI: 10.1002/mrc.2274
Keywords
H-1 NMR; C-13 NMR; COSY; HSQC; HMBC; ROESY; isoprenylated flavanones; Sophora tonkinensis
Funding
- Ministry of Science and Technology of China [2006 BAI 08B03-03]
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The phytochemical investigation of extracts from the roots of Sophora tonkinensis yielded three new isoprenylated flavanones, the tonkinochromanes F (2), G (3), and H (5), along with four known compounds. Structural elucidation of the compounds were established on the basis of spectral data, particularly by the use of 1D NMR and several 2D shift-correlated NMR pulse sequences (H-1-H-1 COSY, HSQC, HMBC, and ROESY). Copyright (c) 2008 John Wiley & Sons, Ltd.
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