Chaetochromones A and B, two new polyketides from the fungus Chaetomium indicum (CBS.860.68).
Chaetochromones A and B, two new polyketides from the fungus Chaetomium indicum (CBS.860.68).
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Chaetochromones A和B,来自真菌Chaetomium Infimum的两个新聚酮化合物(CBS.860.68)。
DOI:
10.3390/molecules180910944
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发表时间:
2013-09-05
期刊:
影响因子:
--
通讯作者:
Ding G
中科院分区:
文献类型:
--
作者:
Lu K;Zhang Y;Li L;Wang X;Ding G
Chaetochromones A (1) and B (2), two novel polyketides, were isolated from the crude extract of fungus Chaetomium indicum (CBS.860.68) together with three known analogues PI-3(3), PI-4 (4) and SB236050 (5). The structures of these compounds were determined by HRESI-MS and NMR experiments. Chaetochromones A (1) and B (2) are a member of the polyketides family, which might originate from a similar biogenetic pathway as the known compounds PI-3 (3), PI-4 (4) and SB236050 (5). The biological activities of these secondary metabolites were evaluated against eight plant pathogens, including Alternaria alternata, Ilyonectria radicicola, Trichoderma viride pers, Aspergillus niger, Fusarium verticillioide, Irpex lacteus (Fr.), Poria placenta (Fr.) Cooke and Coriolus versicolor (L.) Quél. Compound 1 displayed moderate inhibitory rate (>60%) against the brown rot fungus Poria placenta (Fr.) Cooke, which causes significant wood decay. In addition, the cytotoxic activities against three cancer cell lines A549, MDA-MB-231, PANC-1 were also tested, without any inhibitory activities being detected.
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