ECB-ART-37878
J Nat Prod
2001 Jul 01;647:945-7. doi: 10.1021/np000572x.
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New steroid glycosides from the starfish Asterias rathbuni.
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Two novel steroidal 24-O-xylosides, designated as rathbuniosides R(1) (1) and R(2) (2), and the known amurensoside A (3) and 3-O-sulfomarthasterone (4) have been isolated from the starfish Asterias rathbuni. The structures of all the compounds were determined from their spectroscopic data, including one- and two-dimensional NMR methods. The compounds 1 and 4 inhibit the cell division of fertilized sea urchin eggs at doses of 7.0 x 10(-5) and 2.9 x 10(-5) M, respectively.
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Genes referenced: LOC100887844 LOC115919910