Chemical studies on Antarctic nudibranch molluscs (Articolo in rivista)

Type
Label
  • Chemical studies on Antarctic nudibranch molluscs (Articolo in rivista) (literal)
Anno
  • 2000-01-01T00:00:00+01:00 (literal)
Alternative label
  • M. Gavagnin, A. Fontana, M.L. Ciavatta, G. Cimino (2000)
    Chemical studies on Antarctic nudibranch molluscs
    in Italian journal of zoology (Online)
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • M. Gavagnin, A. Fontana, M.L. Ciavatta, G. Cimino (literal)
Pagina inizio
  • 101 (literal)
Pagina fine
  • 109 (literal)
Rivista
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#pagineTotali
  • 9 (literal)
Note
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • CNR, Istituto di Chimica Biomolecolare, Via Campi Flegrei 34, 80078 Pozzuoli Napoli (literal)
Titolo
  • Chemical studies on Antarctic nudibranch molluscs (literal)
Abstract
  • Two opisthobranchs, Austrodoris kerguelenensis and Bathydoris bodgsoni, collected from Antarctica in the framework of Spanish and German expeditions, were chemically investigated in order to identify the skin secondary metabolites, probably involved in the chemical defense of these molluscs. Some new terpenoid molecules were isolated from the mantle and their structures were established by spectroscopic methods, mainly by Nuclear Magnetic Resonance techniques. The absolute configuration at C-2' of the glyceryl moiety of diterpenoid 1,3-glyceryl esters from A. kerguelenensis was determined to be R by applying the modified Mosher methods. Surprisingly, this configuration is the opposite of that of all marine terpenoid diacylglycerols so far reported. Other results described here were derived from synthetic studies on optically active terpenoid diacylglycerols, structurally related to the compounds isolated from A. kerguelenensis. (literal)
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