Fumigaclavine I, a new alkaloid isolated from endophyte Aspergillus terreus

Chinese Journal of Natural Medicines(2015)

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Abstract
The present study was designed to isolate and purify chemical constituents from solid culture of endophyte Aspergillus terreus LQ, using silica gel column chromatography, gel filtration with Sephadex LH-20, and HPLC. Fumigaclavine I (1), a new alkaloid, was obtained, along with seven known compounds, including fumigaclavine C (2), rhizoctonic acid (3), monomethylsulochrin (4), chaetominine (5), spirotryprostatin A (6), asperfumoid (7), and lumichrome (8). The structure of compound 1 was elucidated by various spectroscopic analyses (UV, MS, 1D and 2D NMR). The in vitro cytotoxicity of compound 1 was determined by MTT assay in human hepatocarcinoma cell line SMMC-7721, showing weaker cytotoxicity, compared with cisplatin, a clinically used cancer chemotherapeutic agent.
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Key words
Endophyte,Aspergillus terreus,Chemical constituent,Ergot alkaloid
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