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Keramaphidin B, a novel pentacyclic alkaloid from a marine sponge Amphimedon sp. : A plausible biogenetic precursor of manzamine alkaloids

โœ Scribed by Jun'ichi Kobayashi; Masashi Tsuda; Naoko Kawasaki; Keita Matsumoto; Takashi Adachi


Publisher
Elsevier Science
Year
1994
Tongue
French
Weight
306 KB
Volume
35
Category
Article
ISSN
0040-4039

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๐Ÿ“œ SIMILAR VOLUMES


Keramamine-A and -B, novel antimicrobial
โœ Hideshi Nakamura; Shongzhi Deng; Jun'ichi Kobayashi; Yasushi Ohizumi; Yasuko Tom ๐Ÿ“‚ Article ๐Ÿ“… 1987 ๐Ÿ› Elsevier Science ๐ŸŒ French โš– 299 KB

Keramamine-A and -B, two new B-carboline alkaloids with a 13 membered ring have been isolated from the Okinawan marine sponge Pellina sp. as antimicrobial substances and the structures of keramamine-A and -B have been determined by X-ray analysis and by spectral and chemical means, respectively. As