%0 Journal Article %9 ACL : Articles dans des revues avec comité de lecture répertoriées par l'AERES %A Laville, R. %A Thanh Binh Nguyen %A Moriou, C. %A Petek, Sylvain %A Debitus, Cécile %A Al-Mourabit, A. %T Marine natural occurring 2,5-diketopiperazines : isolation, synthesis and optical properties %D 2015 %L fdi:010063520 %G ENG %J Heterocycles %@ 0385-5414 %K SUBSTANCE NATURELLE ; RECIF CORALLIEN ; INVERTEBRE AQUATIQUE ; EXTRACTION ; ANALYSE CHIMIQUE ; STRUCTURE CHIMIQUE ; SPECTROSCOPIE %K EPONGE MARINE %K FIDJI ; PACIFIQUE %M ISI:000349505900048 %N 2 %P 1351-1366 %R 10.3987/COM-14-S(K)87 %U https://www.documentation.ird.fr/hor/fdi:010063520 %> https://www.documentation.ird.fr/intranet/publi/depot/2015-02-09/010063520.pdf %V 90 %W Horizon (IRD) %X Seven 2,5-diketopiperazines (DKPs) were isolated from the Fijian marine sponge Acanthella cavernosa. NMR and circular dichroism (CD) comparison with synthetic L-L DKPs allowed us to determine unambiguously the L-L absolute configuration of the natural DKPs. This work initiated the setting up of an optical properties database of natural DKPs, including specific rotation and CD. %$ 035SUBSAN01