作者: Toshio Ichiba , Ryuichi Sakai , Shigeo Kohmoto , Gabriel Saucy , Tatsuo Higa
DOI: 10.1016/0040-4039(88)85091-3
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摘要: Abstract Manzamines E ( 2 ) and F 3 have been isolated as cytotoxic constituents of a sponge the genus Xestospongia structures elucidated by application 2D-NMR tecniques spectroscoplc comparison with manzamine A (1). Manzamine was shown to be identical keramamine B 4 ), structure which should therefore revised .