doi: 10.1021/np0706421.
Epub 2008 Jan 9.
Cytotoxic diterpenoids and sesquiterpenoids from Pteris multifida
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- PMID: 18181575
- DOI: 10.1021/np0706421
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Cytotoxic diterpenoids and sesquiterpenoids from Pteris multifida
J Nat Prod.
2008 Feb.
Abstract
Three new ent-kaurane diterpenoids, named pterokaurane M 1-M 3 ( 1- 3) and three new C 14 pterosin-sesquiterpenoids, named multifidoside A-C ( 4- 6), along with 18 known compounds, were isolated from the whole plants of Pteris multifida . The structures of 1- 6 were established using spectroscopic methods, including extensive 2D NMR and CD analyses. Compounds 4 and 5 showed cytotoxicity against the HepG2 tumor cell line with IC 50 values of less than 10 microM.
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