期刊
JOURNAL OF ASIAN NATURAL PRODUCTS RESEARCH
卷 20, 期 3, 页码 217-226出版社
TAYLOR & FRANCIS LTD
DOI: 10.1080/10286020.2017.1333497
关键词
Mangrove; endophytic fungus; Phomopsis; xanthone dimers
Three new xanthone dimers, named phomoxanthones C-E (1-3), were obtained from the Thai mangrove fungus Phomopsis sp. xy21, together with four known ones. The structures of these compounds were elucidated by the analysis of HRESIMS and extensive NMR spectroscopic data. The absolute configuration of 1 was established by the analysis of single-crystal X-ray diffraction with Cu K radiation. Phomoxanthones C (1) and D (2) possess a highly oxidized hexahydroxanthone skeleton. [GRAPHICS] .
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