ECB-ART-41397
Bioorg Khim
2009 Jan 01;354:557-62. doi: 10.1134/s106816200904013x.
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[Two new steroid glycosides from the Far East starfish Hippasteria kurilensis].
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Two new steroid glycosides were isolated from the Far East starfish Hippasteria kurilensis collected in the Sea of Okhotsk. They were characterized as (22E,24R)-3-O-(2-O-methyl-beta-D-xylopyranosyl)-24-O-[2-O-methyl-beta-D-xylopyranosyl-(1-->5)-alpha-L-arabinofuranosyl]-5alpha-cholest-22-ene-3beta,4beta,6alpha,7alpha,8,15beta,24-heptaol (kurilensosid I) and (24S)-3-O-(2-O-methyl-beta-D-xylopyranosyl)-24-O-(alpha-L-arabinofuranosyl)-5alpha-cholestan-3beta,4beta,6beta,15alpha,24-pentaol (kurilensosid J). In addition, the earlier known glycosides linkosides F and L1, levisculoside G, forbeside L, desulfated echinasteroside A, and granulatoside A were isolated and identified. The structures of the new compounds were established with the help of bidimentional NMR spectroscopy and mass spectrometry.
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Genes referenced: LOC100887844