Abstract
A new nor-chamigrane endoperoxide, merulin A (1), and two new chamigrane endoperoxides, merulins B and C (2, 3), were isolated from the culture broth extract of an endophytic fungus of Xylocarpus granatum. Their structures were elucidated on the basis of spectroscopic, mainly NMR and MS, data. X-ray crystallographic analysis confirmed the structure of 1. Compounds 1 and 3 displayed significant cytotoxicity against human breast (BT474) and colon (SW620) cancer cell lines.
Publication types
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Research Support, Non-U.S. Gov't
MeSH terms
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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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Basidiomycota / chemistry*
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Breast Neoplasms / drug therapy
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Crystallography, X-Ray
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Drug Screening Assays, Antitumor
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Female
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Humans
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Molecular Conformation
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Molecular Structure
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Nuclear Magnetic Resonance, Biomolecular
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Peroxides / chemistry
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Peroxides / isolation & purification*
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Peroxides / pharmacology*
Substances
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Antineoplastic Agents
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Peroxides
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merulin A
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merulin B
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merulin C