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Hanishenols A-B, novel linear or methyl-branched glycerol enol ethers of the axinellid sponge Acanthella carteri (= Acanthella aurantiaca) from the Hanish Islands, southern Red Sea

✍ Scribed by Ines Mancini; Graziano Guella; Francesco Pietra; Philippe Amade


Publisher
Elsevier Science
Year
1997
Tongue
French
Weight
256 KB
Volume
53
Category
Article
ISSN
0040-4020

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✦ Synopsis


The axinellid sponge Acanthella cartert Dendy, 1889 (= Acanthella aurannaca Keller, 188q) from the Hanish Islands, Yemen, on EtOH extraction followed by FC and HPLC purificatton gave the first example of branched glycerol enol ether, hanishenol B (3) alongside a major unbranched analogue, hanishenol A ( I ) Their structures were elucidated from NMR and MS spectra and through the ozonolysis product of I. while the absolute configuration was assigned from exciton coupling with the dibenzoate denvative 2