期刊
JOURNAL OF NATURAL PRODUCTS
卷 70, 期 5, 页码 741-746出版社
AMER CHEMICAL SOC
DOI: 10.1021/np060489v
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资金
- NCI NIH HHS [U19 CA067786-14, U19 CA067786, CA067786] Funding Source: Medline
- NCRR NIH HHS [RR14768, RR06262] Funding Source: Medline
Fractionation of two Fijian specimens of the sponge Corticium sp. led to the isolation of the known active alkaloid steroid plakinamine A and two new halogenated cyclic peptides, corticiamide A (1) and cyclocinamide B (2). Structural elucidation of 1 and 2 was achieved by an extensive combination of high-field NMR and HRFT MS/MS experiments, and the absolute stereochemistry of 2 was determined by acid hydrolysis and Marfey's analysis. Corticiamide A (1) and cyclocinamide B (2) represent the first peptides to be described from the genus Corticium.
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