@article{fdi:010004888, title = {6. {O}ceanapins {A}-{F}, unique branched ceramides isolated from the haplosclerid sponge {O}ceanapia cf. tenuis of the {C}oral sea}, author = {{M}ancini, {I}. and {G}uella, {G}. and {D}ebitus, {C}{\'e}cile and {P}ietra, {F}.}, editor = {}, language = {{ENG}}, abstract = {{A} series of ceramides, called oceanapins {A}-{F} (2-7), which are unique for branching at both the sphingosine and fatty-acid chains, have been isolated as pure compounds from the haplosclerid sponge #{O}ceanapia$ cf. #tenuis$ of the {C}oral {S}ea. {F}ollowing acid hydrolysis, both the fatty-acid and the sphingosine portions were obtained separately, which allowed their unequivocal structural definition. {T}he absolute configuration was secured via proctection of {C} (1')-{OH} and {M}osher's esterification at {C} (3')-{OH} of the oceanapins. ({R}{\'e}sum{\'e} d'auteur)}, keywords = {{INVERTEBRE} {AQUATIQUE} ; {SUBSTANCE} {NATURELLE} ; {STRUCTURE} {CHIMIQUE} ; {EPONGE} ; {CERAMIDE} ; {OCEANAPIN} ; {MER} {DE} {CORAIL}}, booktitle = {}, journal = {{H}elvetica {C}himica {A}cta}, volume = {77}, numero = {}, pages = {51--58}, ISSN = {0018-019{X}}, year = {1994}, DOI = {10.1002/hlca.19940770108}, URL = {https://www.documentation.ird.fr/hor/fdi:010004888}, }