4.7 Article

Echinamines A and B, first aminated hydroxynaphthazarins from the sea urchin Scaphechinus mirabilis

Journal

JOURNAL OF NATURAL PRODUCTS
Volume 68, Issue 9, Pages 1390-1393

Publisher

AMER CHEMICAL SOC
DOI: 10.1021/np049585r

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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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