Abstract
Leptosins G, G1, G2 and H, belonging to a series of dimeric epipolythiodioxopiperazines, were isolated from the mycelium of a strain of Leptosphaeria sp. stuck on the marine alga Sargassum tortile. Their stereostructures were elucidated by chemical and spectral evidence.
MeSH terms
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Antineoplastic Agents / chemistry*
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Antineoplastic Agents / isolation & purification
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Eukaryota / microbiology*
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Indicators and Reagents
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Magnetic Resonance Spectroscopy
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Molecular Structure
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Piperazines / chemistry*
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Piperazines / isolation & purification
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Seawater
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Spectrometry, Mass, Fast Atom Bombardment
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Spectrophotometry
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Xylariales / chemistry*
Substances
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Antineoplastic Agents
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Indicators and Reagents
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Piperazines