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New benzene derivatives from cultures of ascomycete Daldinia concentrica |
Tao FENGa, Zheng-Hui LIa, Xia YINa,b, Ze-Jun DONGa, Gang-Qiang WANGc, Xing-Yao LIa, Yan LIa, Ji-Kai LIUa |
a State Key Laboratory of Phytochemistry and Plant Resources in West China, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming 650201, China; b University of Chinese Academy of Sciences, Beijing 100049, China; c School of Chemistry and Chemical Engineering of Hunan University, Changsha 410082, China |
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Abstract Three new benzene derivatives, named daldins A-C (1-3), together with a known analogue, 2-hydroxymethyl-3-(1-hydroxypropyl) phenol (4) have been isolated from cultures of ascomycete Daldinia concentrica. The structures of 1-4 with absolute configuration were established by means of spectroscopic methods and X-ray diffraction. All compounds showed no significant inhibition on five human cancer cell lines with IC50 values > 40 μmol.
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Keywords
Daldinia concentrica
benzene derivatives
absolute configuration
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Fund:This project was supported by the National Basic Research Program of China (973 Program, 2009CB522300), the National Natural Sciences Foundation of China (30830113, 81102346), and Youth Innovation Promotion Association CAS. |
Issue Date: 11 February 2018
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