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Planta Med. 2014 Mar;80(5):419-25. doi: 10.1055/s-0034-1368252. Epub 2014 Mar 14.

New clerodane diterpenes from Tinospora sagittata var. yunnanensis.

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1
Key Laboratory of Chemistry in Ethnic Medicinal Resources, State Ethnic Affairs Commission & Ministry of Education, School of Chemistry and Biotechnology, Yunnan University of Nationalities, Kunming, Yunnan, P. R. China.

Abstract

Four new clerodane diterpenes, namely sagittatayunnanosides A-D (1-4), were isolated from the roots of Tinospora sagittata var. yunnanensis, together with two known compounds, tinospinoside C (5) and tinospinoside E (6). The structures of the four new compounds were well elucidated by extensive analyses of the MS, IR, and 1D and 2D NMR data. The cytotoxic and antifouling activities of compounds 1-6 were evaluated.

PMID:
24634023
DOI:
10.1055/s-0034-1368252
[Indexed for MEDLINE]
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