Planta Med 2016; 82(08): 742-746
DOI: 10.1055/s-0042-104349
Natural Product Chemistry and Analytical Studies
Original Papers
Georg Thieme Verlag KG Stuttgart · New York

Cytotoxic Diterpenoids from the Roots of Aralia melanocarpa

Zhi-Yong Jiang
1   Key Laboratory of Chemistry in Ethnic Medicinal Resources, State Ethnic Affairs Commission & Ministry of Education, Yunnan Minzu University, Kunming, Yunnan, P. R. China
,
Chun-Tao Yang
1   Key Laboratory of Chemistry in Ethnic Medicinal Resources, State Ethnic Affairs Commission & Ministry of Education, Yunnan Minzu University, Kunming, Yunnan, P. R. China
,
Shu-Qun Hou
1   Key Laboratory of Chemistry in Ethnic Medicinal Resources, State Ethnic Affairs Commission & Ministry of Education, Yunnan Minzu University, Kunming, Yunnan, P. R. China
,
Kai Tian
1   Key Laboratory of Chemistry in Ethnic Medicinal Resources, State Ethnic Affairs Commission & Ministry of Education, Yunnan Minzu University, Kunming, Yunnan, P. R. China
,
Wei Wang
1   Key Laboratory of Chemistry in Ethnic Medicinal Resources, State Ethnic Affairs Commission & Ministry of Education, Yunnan Minzu University, Kunming, Yunnan, P. R. China
,
Qiu-Fen Hu
1   Key Laboratory of Chemistry in Ethnic Medicinal Resources, State Ethnic Affairs Commission & Ministry of Education, Yunnan Minzu University, Kunming, Yunnan, P. R. China
,
Xiang-Zhong Huang
1   Key Laboratory of Chemistry in Ethnic Medicinal Resources, State Ethnic Affairs Commission & Ministry of Education, Yunnan Minzu University, Kunming, Yunnan, P. R. China
2   Key Laboratory of Comprehensive Utilization of Mineral Resources in Ethnic Regions, Yunnan Minzu University, Kunming, Yunnan, P. R. China
3   Key Laboratory of Yi Medicine Resources & Pharmacodynamics Research, Kunming, Yunnan, P. R. China
› Author Affiliations
Further Information

Publication History

received 23 September 2015
revised 12 February 2016

accepted 27 February 2016

Publication Date:
19 April 2016 (online)

Abstract

Five new diterpenoids (15) were isolated from the roots of Aralia melanocarpa, together with four known compounds, 7β-hydroxy-ent-pimara-8(14),15-diene-19-oic acid (6), 18-norpimara-8(14),15-dien-4-ol (7), ent-16βH,17-isovalerate-kauran-19-oic acid (8), and ent-16α,17-dihydroxykauran-19-oic acid (9). Based on the MS, IR, and NMR spectral analysis, the structures of the five new diterpenoids (15) were elucidated. The cytotoxic activities of compounds 19 were assayed, and compounds 1 and 2 showed cytotoxicity in four cancer cell lines with IC50s from 4.2 to 8.2 µM.

Supporting Information

 
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