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期刊论文
New Lupane Glycosides from Pulsatilla chinensis
Planta Med2002; 68: 183-186,-0001,():
A new lupane type triterpenic acid, pulsatillic acid, and two new lupane type triterpenoid glycosides, pulsati Uoside A and B, along with the known 23-hydroxybetulinic acid were isolated from the roots of Pulsatilla chinensis. Their structures were characterized as 3-oxo-23-hydroxy-lup-20(29)-en-28-oic acid, 3fl, 23-dihydroxy-lup-20(29)-en-28-oic acid 3-O-a-L-arabinopyranoside and 3/3, 23-dihydroxy-lup-20(29)-en-28-oic acid 28-0-/3-0- glucopyranosyl-(1-6)-/3-o-glucopyranoside on the basis of hydrolysis and spectral evidence including two-dimensional relay HOHAHA, one-dimensional multiple relay COSY and ROESY NMR techniques. Pulsatillic acid exhibited cytotoxic activities against P-388, Lewis lung carcinoma and human large-cell lung carcinoma.
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