期刊
JOURNAL OF NATURAL PRODUCTS
卷 71, 期 7, 页码 1193-1196出版社
AMER CHEMICAL SOC
DOI: 10.1021/np800118g
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Two new modified hexacyclopeptides, aerucyclamides A and B, were isolated from the toxic freshwater cyanobacterium Microcystis aeruginosa PCC 7806. The constitution was assigned by spectroscopic methods, and the configuration determined by chemical degradation and analysis by Marfey's method combined with chemical synthesis. Synthetic aerucyclamide B was obtained through oxidation of aerucyclamide A (MnO(2), benzene). The aerucyclamides were found to be toxic to the freshwater crustacean Thamnocephalus platyurus, exhibiting LC(50) values for congeners A and B of 30.5 and 33.8 mu M, respectively.
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