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Polyhydroxylated steroidal glycosides from the starfish asterias forbesi

Findlay J.A.; He Z Q.

Journal of Natural Products 54(2): 428-435

1991

ISSN/ISBN: 0163-3864
DOI: 10.1021/np50074a013
Accession: 007666265
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Four new polyhydroxylated steroid glycosides have been isolated from the starfish Asterias forbesi, and their structures have been determined by spectroscopic means to be as follows: forbesidee I, (24S)-3-O-(2,4-di-O-methyl-.beta.-D-xylopyranosyl)-5.alpha.-cholesta-3.beta.,4.beta.,6.beta.,8,15.alpha.,24-hexaol [3]; forbeside J, (24S)-3-O-(2,4-di-O-methy6l-.beta.-D-xylopyranosyl)24-O-.alpha.-L-arabinofuranosyl-5.alpha.-cholesta-3.beta.,4.beta.,6.beta.,8,15.alpha.-4-hexaol [1]; forbeside K, (24Z)-3-O-(2-O-methyl-.beta.-D-xylopyranosyl)27-O-.alpha.-L-arabinofuranosyl-24-methyl-5.alpha.-cholest-24-ene-3.beta.,4.beta.,6.beta.,8,15.alpha.,27-hexaol [4]; and forbeside L, 3-O-(2-O-methyl-.beta.-D-xylopyranhosyl)-24-ethyl-5.alpha.-cholest-4-ene-3.beta.,6.beta.,8,15.alpha.,16.beta.,26-hexaol [5].

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Related References

Lu, Y-Yang.; Wang, M-Chang.; Liu, K.; Zhang, W.; Liu, Y.; Tang, H-Feng. 2020: Two new polyhydroxylated steroidal glycosides from the starfish Culcita novaeguineae Natural Product Research 2020: 1-7
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Apsimon, J.W.; Badripersaud, S.; Buccini, J.A.; Eenkhoorn, J.; Gilgan, M.W. 1980: Marine organic chemistry 4. isolation of 20 r 5 alpha pregn 9 11 ene 3 beta 6 alpha 20 triol from the saponins of starfish asterias forbesi and asterias vulgaris and its synthesis Canadian Journal of Chemistry 58(23): 2703-2708
ApSimon, JW.; Buccini, JA.; Badripersaud, S. 1973: Marine organic chemistry: isolation of 3 ss, 6a-dihydroxy-5a pregn-9(11)-en-20-one from the Saponins of the starfish Asterias forbesi: a rapid method for extracting starfish saponins Food-Drugs Sea Conf Proceedings 1972: 139-146
Findlay J.A.; He Z Q.; Blackwell B. 1990: Minor saponins from the starfish asterias forbesi Canadian Journal of Chemistry 68(7): 1215-1217
Tillinghast, E.K.; Levasseur, S. 1975: Protease activation in the starfish Asterias forbesi Comparative Biochemistry and Physiology. B Comparative Biochemistry 50(1): 131-135
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Findlay J.A.; He Z Q.; Calhoun L.A. 1990: Forbesin a novel sulfated glycolipid from the starfish asterias forbesi Journal of Natural Products 53(4): 1015-1018
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Riccio, R.; Iorizzi, M.; Minale, L.; Oshima, Y.; Yasumoto, T. 1988: Starfish saponins part 34. novel steroidal glycoside sulfates from the starfish asterias amurensis Journal of the Chemical Society Perkin Transactions I 6: 1337-1348