Notoamides A-D:: Prenylated indole alkaloids isolated from a marine-derived fungus, Aspergillus sp.
Notoamides A-D:: Prenylated indole alkaloids isolated from a marine-derived fungus, Aspergillus sp.
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Notoamides A-D:: 从一种源自海洋的真菌 Aspergillus sp.
DOI:
10.1002/anie.200604381
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发表时间:
2007-01-01
影响因子:
16.6
通讯作者:
Tsukamoto, Sachiko
中科院分区:
文献类型:
--
作者:
Kato, Hikaru;Yoshida, Takushi;Tsukamoto, Sachiko
Marine-derived fungi have proven to be rich sources of structurally novel and biologically active secondary metabolites, which are emerging as a significant new chemical resource for drug discovery.[1] During a search for natural products exhibiting pharmacologically interesting activities,[2] we screened extracts derived from marine organisms for cytotoxic activity. In this paper, we report the isolation, structure elucidation including absolute stereochemistry, and biological activities of four new doubly prenylated indole alkaloids, notoamides AD (1-4), from a culture of marine-derived fungus, Aspergillus sp., isolated from the common mussel, Mytilus edulis. Biogenetically, notoamides are assumed to be related each other, and Williams et al. succeeded in the biomimetic synthesis of notoamides C (3) and D (4), which are reported in the successive paper.[3] The fungus, Aspergillus sp., was separated from the mussel, Mytilus edulis, collected off Noto Peninsula in the Japan Sea. The fungus was fermented on agar plates and extracted with EtOH. The extract was concentrated under reduced pressure, and the aqueous residue was partitioned against EtOAc, and then n-BuOH. The