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Natural Product Research
Formerly Natural Product Letters
Volume 31, 2017 - Issue 2
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Research Article

A New 5(6→7)abeo-sterol from the twigs of Podocarpus fleuryi

Juan LiuSchool of Chemistry and Chemical Engineering, Yunnan Normal University, Kunming, China
,
Caiqiong YangSchool of Chemistry and Chemical Engineering, Yunnan Normal University, Kunming, China
,
Junjie ZhangSchool of Chemistry and Chemical Engineering, Yunnan Normal University, Kunming, China
,
Jichun WuSchool of Chemistry and Chemical Engineering, Yunnan Normal University, Kunming, China
&
Yegao ChenSchool of Chemistry and Chemical Engineering, Yunnan Normal University, Kunming, ChinaCorrespondence[email protected]
[email protected]
Pages 175-180 | Received 18 Feb 2016, Accepted 17 Jul 2016, Published online: 25 Aug 2016
 
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Abstract

A new 5(6→7)abeo-sterol with rarely reported [6–5-6–5]-fused rings, 3β,5β,6-trihydroxyl-B-norsitostane (1), along with 10 known compounds were isolated from the twigs of Podocarpus fleuryi. Their structures were elucidated by means of extensive spectroscopic analysis. Compound 1 was assessed for their cytotoxicity against five human tumour cell lines (HL-60, SMMC-7721, A-549, MCF-7 and SW-480), and the result showed that it had no activity.

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