Abstract
One novel pentacyclic depsidone containing an oxetane unit, phomopsidone A (1), together with the reported excelsione (also named as phomopsidone) (2), and four known isobenzofuranones (3-6) were isolated from the mangrove endophytic fungus Phomopsis sp. A123. Their structures were elucidated by 1D and 2D NMR spectroscopic analysis and high resolution mass spectrometry. The bioactivity assays showed that these compounds possess cytotoxic, antioxidant, and antifungal activities.
Keywords:
Cytotoxicity; Depsidones; Endophyte; Isobenzofuranones; Phomopsis.
Copyright © 2014 Elsevier B.V. All rights reserved.
Publication types
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Research Support, Non-U.S. Gov't
MeSH terms
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Anti-Infective Agents / chemistry
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Anti-Infective Agents / isolation & purification*
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Anti-Infective Agents / pharmacology
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Ascomycota / chemistry*
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Biphenyl Compounds / adverse effects
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Cell Survival / drug effects
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Depsides / chemistry
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Depsides / isolation & purification*
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Depsides / pharmacology
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Endophytes
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Free Radical Scavengers / chemistry
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Free Radical Scavengers / isolation & purification*
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Free Radical Scavengers / pharmacology
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Lactones / chemistry
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Lactones / isolation & purification*
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Lactones / pharmacology
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Magnetic Resonance Spectroscopy
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Molecular Structure
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Picrates / adverse effects
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Rhizophoraceae / microbiology
Substances
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Anti-Infective Agents
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Biphenyl Compounds
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Depsides
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Free Radical Scavengers
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Lactones
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Picrates
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excelsione
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phomopsidone
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depsidone
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1,1-diphenyl-2-picrylhydrazyl