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J Asian Nat Prod Res. 2013 Sep;15(9):974-8. doi: 10.1080/10286020.2013.794416. Epub 2013 Sep 9.

Two novel dammarane-type compounds from the leaves and stems of Panax quinquefolium L.

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1
a Institute of Frontier Medical Science, Jilin University , Changchun , 130021 , China.

Abstract

Two new dammarane-type compounds were isolated from the leaves and stems of Panax quinquefolium L. The new compounds were named as pseudo-ginsenoside RT6 (1) and pseudoginsengenin R1 (2). The structures of the new compounds were elucidated by the combined analysis of NMR and HR-ESI-MS as (20S,24R)-6-O-β-d-glucopyranosyl-dammar-3-one-20,24-epoxy-6α,12β,25-triol (1) and (20S,24R)-dammar-3-one-20,24-epoxy-6α,12β,25-triol (2).

PMID:
24266579
DOI:
10.1080/10286020.2013.794416
[Indexed for MEDLINE]
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