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Phospholipid studies of marine organisms 9. New brominateddemospongic acids from the phospholipids of two petrosia species

✍ Scribed by W.M. Donald Wijekoon; Eser Ayanoglu; Carl Djerassi

Publisher: Elsevier Science
Year: 1984
Tongue: French
Weight: 246 KB
Volume: 25
Category: Article
ISSN: 0040-4039
DOI: 10.1016/s0040-4039(01)81365-4

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✦ Synopsis

Two Novel long chain fatty acids, (51, 9Z)-6-bromo-25-methyl-5,9-hexacosadienoic and (52, 9Z)-6-bromo-24-methyl-5,9-hexacosadienoic acids were found in the phospholipids of PetroSia ficiformis and p. hebes: Their structures were elucidated with the help of CI-EI/MS and a homogeneous hydrogenation catalyst. Phospholipids of sponges provide a source of various unique fatty acids l-3 featuring branching, unconventional pattern of unsaturation, and the presence of different

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Phospholipid studies of marine organisms 4. (2R,21Z)-2-methoxy-21-octacosenoic acid, the first naturally occurring α-methoxy acid from a phospholipid

✍ Eser Ayanoglu; J.M Kornprobst; A Aboud-Bichara; Carl Djerassi 📂 Article 📅 1983 🏛 Elsevier Science 🌐 French ⚖ 246 KB

A novel fatty acid, (2R,2lL)-2-methoxy-2l-octacosenoic acid, was shown to be present in the phospholipids of the sponge Higginsia tethyoides. High levels of the unique Ces\_so "demospongic" fatty acids have recently been identified in marine invertebrates. In our laboratory, the phospholipids of the