Fluorescent Talarolactones from Talaromyces sp
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Published on: March 19, 2015
Wei-Hua Yuan1, Li-Feng Zheng2, Li-Yuan Zhuang1
1School of Life Science, Jiangsu Normal University, Xuzhou, Jiangsu, P. R. China.
Abstract:
(+)-Talarolactone C (1), Talarolactone A (2), Talarolactone B (3, sulfoxide derivative), and Talarolactone D (4, sulfone derivative) were isolated from Talaromyces sp. which was cultured in rice medium with sodium butyrate. The structures of talarolactone analogs above were characterized by a combination of spectroscopic, X-ray crystallographic, and computational methods. These talarolactones and Talarolactone A sodium (5) with the same carbon skeleton showed different fluorescence characteristics.
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