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TRITERPENOID GLYCOSIDES FROM THE NORTHEASTERN PACIFIC MARINE SPONGE XESTOSPONGIA-VANILLA

TitleTRITERPENOID GLYCOSIDES FROM THE NORTHEASTERN PACIFIC MARINE SPONGE XESTOSPONGIA-VANILLA
Publication TypeJournal Article
Year of Publication1991
AuthorsMorris, SA, Northcote, PT, Andersen, RJ
JournalCanadian Journal of Chemistry-Revue Canadienne De Chimie
Volume69
Pagination1352-1364
Date PublishedSep
Type of ArticleArticle
ISBN Number0008-4042
KeywordsC-13 ASSIGNMENTS, GLYCOSIDE, H-1, NMR, SPONGE, SUGARS, TRITERPENOID, XESTOSPONGIA
Abstract

Isoxestovanin A (6), xestovanin B (7), xestovanin C (8), dehydroxestovanin A (9), epidehydroxestovanin A (10), dehydroxestovanin C (11), and secodehydroxestovanin A (12), seven new triterpenoid glycosides, have been isolated from the Northeastern Pacific sponge Xestospongia vanilla. The structures of the metabolites were determined by a combination of spectroscopic analysis and chemical degradation. The aglycone of 6 has the new isoxestovanane triterpenoid carbon skeleton. Compounds 7, 8, and 11 are the first X. vanilla triterpenoid glycosides known to contain three monosaccharide subunits.
URL<Go to ISI>://A1991GH86100003