Echinamines A and B, first aminated hydroxynaphthazarins from the sea urchin Scaphechinus mirabilis |
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Authors: | Mischenko Natalia P Fedoreyev Sergey A Pokhilo Nataly D Anufriev Victor Ph Denisenko Vladimir A Glazunov Valery P |
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Affiliation: | Pacific Institute of Bioorganic Chemistry, Far East Branch of the Russian Academy of Sciences, 159, Prospect 100 let Vladivostoku, Vladivostok 690022, Russian Federation. misch@piboc.dvo.ru |
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Abstract: | Two new spinochromes, echinamines A (1) and B (2), were isolated from the sea urchin Scaphechinus mirabilis. Compounds 1 and 2 represent the first examples of natural polyhydroxynaphthazarins with a primary amine group. The structures of 1 and 2 were established by analysis of spectroscopic data and synthesis of their dimethyl ethers. |
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