| Literature DB >> 7766002 |
X Ma1, I S Lee, H B Chai, K Zaw, N R Farnsworth, D D Soejarto, G A Cordell, J M Pezzuto, A D Kinghorn.
Abstract
Three cytotoxic clerodane diterpenes were purified from an ethyl acetate-soluble extract of the stem bark of Polyalthia barnesii, namely, 16 alpha-hydroxycleroda-3,13(14)Z-dien-15,16-olide, a known compound, and two novel compounds, 3 beta, 16 alpha-dihydroxycleroda-4(18),13(14)Z-dien-15,16-olide and 4 beta, 16 alpha-dihydroxyclerod-13(14)Z-en-15,16-olide. These compounds were found to exhibit broad cytotoxicity against a panel of human cancer cell lines.Entities:
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Year: 1994 PMID: 7766002 DOI: 10.1016/s0031-9422(00)89587-4
Source DB: PubMed Journal: Phytochemistry ISSN: 0031-9422 Impact factor: 4.072