A New Naphthopyrone from the Root of Pleuropterus ciliinervis
Min, B.S.
Lee, J.P
Na, M.K.
An, R.B.
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A new naphthopyrone, pleuropyrone A (1), together with (-)-lyoniresinol 3a-O-ß-D-glucopyranoside (2)and (+)-lyoniresinol 3a-O-ß-D-glucopyranoside (3)was isolated from the roots of Pleuropterus ciliinervis. The structure of pleuropyrone A (1)was determined to be 2,5-dimethyl-8-hydroxynaphthopyrone 10-O-ß-D-glucopyranoside by spectroscopic methods including 2D-NMR. Compounds 2 and 3 showed moderate antioxidant activity.
PLEUROPYRONE A
NAPHTHOPYRONE
PLEUROPTERUS CILIINERVIS
ANTIOXIDANT ACTIVITY
Chemical and Pharmaceutical Bulletin, 51(11), p.1322-1324, 2003
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