STUDIES ON THE CHEMICAL CONSTITUENTS OF POPULUS TOMENTOSA CARR
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Abstract
Populus tomentosa Carr. a Chinese folk medicine, has been used for treatment of arthritic disease. A new flavonoid, with molecular formula C30H26O12 was isolated from this plant along with four known compounds. They were identified as apigenin-7-O-(6″-O-p-coumaroyl)-β-D-glucopyranoside (Ⅰ), salicin (Ⅱ), tremulodin (Ⅲ), tremulaein (Ⅳ) and daucosterol (Ⅴ) by the use of 1HNMR, 13CNMR and 1H-13C COSY spectroscopy.
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