KERAMAPHIDIN-B, A NOVEL PENTACYCLIC ALKALOID FROM A MARINE SPONGE AMPHIMEDON SP - A PLAUSIBLE BIOGENETIC PRECURSOR OF MANZAMINE ALKALOIDS

被引:69
作者
KOBAYASHI, J [1 ]
TSUDA, M [1 ]
KAWASAKI, N [1 ]
MATSUMOTO, K [1 ]
ADACHI, T [1 ]
机构
[1] TAISHO PHARMACEUT CO LTD, RES CTR, OMIYA, SAITAMA 330, JAPAN
关键词
D O I
10.1016/S0040-4039(00)73362-4
中图分类号
O62 [有机化学];
学科分类号
070303 ; 081704 ;
摘要
Keramaphidin B (1), a novel cytotoxic alkaloid possessing a 1,4-etheno-2,7-decahydronaphthylidine core with two macrocyclic rings has been isolated from an Okinawan marine sponge Amphimedon sp., and the structure was elucidated by extensive 2D NMR investigation as well as a single crystal X-ray analysis. Keramaphidin B (1) might he a plausible biogenetic precursor of manzamine alkaloids and a very important key compound to clarify the biogenetic path.
引用
收藏
页码:4383 / 4386
页数:4
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