Sulfated steroid glycosides from the Viet Namese starfish <Emphasis Type="Italic">Linckia laevigata</Emphasis> |
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Authors: | A A Kicha N V Ivanchina A I Kalinovskii P S Dmitrenok E V Sokolova I G Agafonova |
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Institution: | (1) Pacific Institute of Bioorganic Chemistry, Far-East Division, Russian Academy of Sciences, 690022 Vladivostok, pr. 100-Letiya Vladivostoka, 159 |
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Abstract: | Five sulfated steriodal compounds including one new glycoside called linckoside L7 (1) and four previously known glycosides
2–5 were isolated from the starfish Linckia laevigata. The structure sodium (22E, 24R)-3-O-(2-O-methyl-β-D-xylopyranosyl)-29-O-(β-D-xylopyranosyl)-24-ethylcholest-4,22-dien-3β,6β,8,15α,16β,29-hexaol 15-O-sulfate was proposed for L7. Linckoside L7 inhibited fertilization and egg-cell development in the sea urchin Strongylocentrotus intermedius.
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Translated from Khimiya Prirodnykh Soedinenii, No. 1, pp. 64–67, January–February, 2007. |
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Keywords: | starfish Linckia laevigata polyhydroxylated steroid steroid glycoside sulfate NMR spectra |
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