期刊
FITOTERAPIA
卷 96, 期 -, 页码 109-114出版社
ELSEVIER
DOI: 10.1016/j.fitote.2014.04.011
关键词
Jorunna funebris; Xestospongia sp.; Isoquinolinequinones; Renieramycin-type alkaloids
资金
- Natural Science Foundation of China [81273430, 81001397, 41306130]
- National Marine 863 Project [2013AA092902]
- SKLDR/SIMM Project [SIMM 1203ZZ-03]
- Natural Science Foundation of Jiangxi Province, China [20114BAB205034]
- China Postdoctoral Science Foundation [2012M520956]
Two new renieramycin-type bistetrahydroisoquinolinequinone alkaloids, fennebricins A (1) and B (5), and one new isoquinolinequinone alkaloid, N-formyl-1,2-dihydrorenierol (7), were isolated from the skin of the South China Sea nudibranch Jorunna funebris and its possible sponge-prey Xestospongia sp., together with eight known metabolites, including three bistetrahydroisoquinolinequinones (2-4) and five isoquinolinequinones (8-12). Their structures were elucidated by analysis of spectroscopic data including 1D and 2D NMR and high-resolution electrospray ionization mass spectrometry (HRESIMS) and by comparison with data for related known compounds. All the metabolites except for 7 occurred simultaneously in the two animals, supporting recent ecological studies that the nudibranch J. funebris preys on the sponge of the genus Xestospongia. (C) 2014 Elsevier B.V. All rights reserved.
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