Affiliation:
1. School of Pharmacy, Key Laboratory of Molecular Pharmacology and Drug Evaluation (Yantai University), Ministry of Education, Collaborative Innovation Center of Advanced Drug Delivery System and Biotech Drugs in Universities of Shandong, Yantai University, Yantai, 264005, P.R. China
2. School of Pharmacy, Binzhou Medical University, Yantai 264003, P.R. China
Abstract
Four ocotillol-type (20R)-protopanaxadiol metabolites, (20R,24S)-20,24-epoxy-12β,25-dihydroxdammaran-3-one (M3), and (20R,24R)-20,24-epoxy-12β,25-dihydroxydammarane-3-one (M4), (20R,24S)-20,24-epoxy-3β,25-dihydroxydammaran-12-one (M9) and (20R,24R)-20,24-epoxy-3β,25-dihydroxydammaran-12-one (M10) are synthesised from (20R)-protopanaxadiol. Their structures are confirmed by HRMS, 1H NMR and 13C NMR. Moreover, the absolute configurations of M3 and M4 are confirmed by the X-ray single crystal diffraction.
Cited by
9 articles.
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