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Polar steroidal compounds from the Far-Eastern starfish Lethasterias nanimensis chelifera



In addition to the salts described previously (with a sulfated steroid as the anion and the alkaloid salsolinol as the cation), nine other steroidal compounds including three new compounds were isolated from the Far-Eastern starfish Lethasterias nanimensis chelifera collected near the coast of the Onekotan island (Kuril isles). A nonsteroidal compound found in this starfish is (1 S ,3 S )-1-methyl-1,2,3,4-tetrahydro-β-carboline-3-carboxylic acid. The structures of the isolated compounds were determined by NMR spectroscopy and mass spectrometry.



Russian Chemical BulletinSpringer Journals

Published: Feb 1, 2004

DOI: 10.1023/B:RUCB.0000030823.94504.b8

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