期刊
CHINESE CHEMICAL LETTERS
卷 18, 期 8, 页码 951-953出版社
CHINESE CHEMICAL SOC
DOI: 10.1016/j.cclet.2007.05.054
关键词
colpomenia sinuosa; endophytic fungus; aspergillus niger; naphthoquinoneimine; 5,7-Dihydroxy-2-[1-(4-methoxy-6-oxo-6H-pyran2-yl)-2-phenylethylaniino]-[1,4]naphthoquinone
Cultivation of an endophytic fungus Aspergillus niger EN-13 that was isolated from the inner tissue of the marine brown alga Colpomenia sinuosa resulted in the characterization of a new naphthoquinoneimine derivative, namely, 5,7-dihydroxy-2-[1-(4methoxy-6-oxo-6H-pyran-2-yl)-2-phenylethylaniino]-[1,4]naphthoquinone. The structure of the new compound was established on the basis of various NMR spectroscopic analyses including 2D NMR techniques, EI-MS, and HR-ESI-MS. This compound displayed moderate antifungal activity. (c) 2007 Bin Gui Wang. Published by Elsevier B.V. on behalf of Chinese Chemical Society. All rights reserved.
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