Abstract
Two new 4-methylated steroids, erectasteroids A and B (1 and 2), six new 19-oxygenated steroids, erectasteroids C-H (3-8) and two known 19-oxygenated steroids (9 and 10) were isolated from the acetone solubles of the Formosan soft coral Nephthea erecta. The structures were elucidated by extensive NMR spectroscopic analysis and their cytotoxicity against selected cancer cells was measured in vitro.
Publication types
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Research Support, Non-U.S. Gov't
MeSH terms
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Animals
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Anthozoa / chemistry*
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Antineoplastic Agents / chemistry*
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Antineoplastic Agents / isolation & purification
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Antineoplastic Agents / pharmacology
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Drug Screening Assays, Antitumor
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Leukemia P388 / drug therapy
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Magnetic Resonance Spectroscopy
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Molecular Conformation
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Molecular Structure
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Steroids / chemistry*
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Steroids / isolation & purification
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Steroids / pharmacology
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Tumor Cells, Cultured
Substances
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Antineoplastic Agents
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Steroids