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TERPENOIDS FROM THE SPONGE APLYSILLA-GLACIALIS AND SPECIMENS OF THE NUDIBRANCH CADLINA-LUTEOMARGINTA FOUND ON THE SPONGE

TitleTERPENOIDS FROM THE SPONGE APLYSILLA-GLACIALIS AND SPECIMENS OF THE NUDIBRANCH CADLINA-LUTEOMARGINTA FOUND ON THE SPONGE
Publication TypeJournal Article
Year of Publication1991
AuthorsTischler, M, Andersen, RJ, Choudhary, MI, Clardy, J
JournalJournal of Organic Chemistry
Volume56
Pagination42-47
Date PublishedJan
Type of ArticleArticle
ISBN Number0022-3263
KeywordsAMBLIOFURAN, CARBON SKELETON, CHROMODORIS-NORRISI, CONSTITUENTS, CYCLIZATION, DENDROCERATIDA, diterpenes, MARINE SPONGES, METABOLITES, OFFICINALIS
Abstract

Four new rearranged and/or degraded ’’spongian’’ terpenoids and one new ’’marginatane’’ diterpenoid have been isolated from the marine sponge Aplysilla glacialis. The structure of cadlinolide A (3) was solved by X-ray diffraction analysis, and the structures of cadlinolide B (4), aplysillolide A (5), aplysillolide B (6), and marginatone (7) were determined by extensive spectroscopic analysis and chemical interconversions. Glaciolide (2), cadlinolide A (3), and tetrahydroaplysulphurin-1 (8) were isolated from skin extracts of specimens of the dorid nudibranch Cadlina luteomarginata found feeding on A. glacialis.

URL<Go to ISI>://A1991EQ97900010