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Antifouling indole alkaloids from two marine derived fungi
Fei He1, Zhuang Han, Jiang Peng
1Key Laboratory of Marine Bio-resources Sustainable Utilization/Guangdong Key Laboratory of Marine Materia Medica/RNAM Center for Marine Microbiology, South China Sea Institute of Oceanology, The Chinese Academy of Sciences, 164 West Xingang Road, Guangzhou 510301, Guangdong, China.
Abstract:
In order to find non-toxic antifouling natural products from marine microorganisms, the chemical constituents of two marine derived fungi Penicillium sp. and Aspergillus sydowii have been investigated under bio-guided fractionation. A new indolyl diketopiperazine compound, penilloid A (1), together with 15 known ones were isolated from these two strains. The structure of 1 was elucidated on the basis of NMR and mass spectra. Some alkaloids showed significant antifouling and antibacterial activities. The results indicate that indole alkaloids could be a potential antifouling agent resource.
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