Steroid compounds from the Pacific starfish Lysastrosoma anthosticta |
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Authors: | Levina E. V. Andriyashchenko P. V. Kalinovskii A. I. Stonik V. A. |
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Affiliation: | (1) Pacific Institute of Bioorganic Chemistry, Far-Eastern Branch of the Russian Academy of Sciences, 159 prosp. 100-letiya Vladivostoka, 690022 Vladivostok, Russian Federation |
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Abstract: | Two new steroid compounds, 3 ,6 -dihydroxy-5 -cholesta-9(11),24-dien-23-one 3-sulfate and 3 ,6 -dihydroxy-5 -cholest-9(11)-en-23-one 3-sulfate, were isolated from the Pacific starfish Lysastrosoma anthosticta as the corresponding sodium salts and identified. Two previously known glycosides of 24(S)-5 -cholestane-3 ,6 ,8,15 ,24-pentol were also isolated and identified as sodium 24-O- -d-glucopyranoside 6"-sulfate (pycnopodioside C) and sodium 24-O- -d-xylopyranoside 4"-sulfate (luridoside A). |
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Keywords: | starfish polyhydroxysteroids glycosides aglycons Lysastrosoma anthosticta NMR spectra |
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