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Calyxaprenols A-D, New Merohexaprenoid Metabolites from the Marine Sponge Calyx sp
Natural Product Sciences ; : 303-310, 2020.
Article in English | WPRIM | ID: wpr-902769
ABSTRACT
Four new merohexapenoids named calyxaprenols A-D (1 - 4), together with the known compound haliclotriol A (5), have been isolated from the marine sponge Calyx sp. which was collected from the southwest islands of Palau. Based on comprehensive spectroscopic analyses, calyxaprenols A (1) and B (2) were determined to be pentacyclic hexaprenoids that are appended to a glycolic acid-substituted phenol moiety, whereas calyxaprenols C (3) and D (4) possess a tricyclic hexaprenoid skeleton joined to a hydroquinone ring.Identification of new merohexaprenoids from a Calyx sponge expands the known taxonomic distribution of this sparsely distributed class of marine metabolites and increases the chemical diversity described for this genus of marine sponge.
Full text: Available Index: WPRIM (Western Pacific) Language: English Journal: Natural Product Sciences Year: 2020 Type: Article

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Full text: Available Index: WPRIM (Western Pacific) Language: English Journal: Natural Product Sciences Year: 2020 Type: Article