Volatile Compounds from Melicope obscura

Abstract : To evaluate the interpopulation variability of volatile compds. in Melicope obscura, four samples representing four populations were collected all over the distribution area of the species in Reunion Island (Indian Ocean). The samples were extd. by hydrodistn., and analyzed using GC/FID and GC/MS techniques. The study revealed that, in the four essential oils obtained, oxygenated sesquiterpenes were one of the major chem. classes (9.2-35.2%), mainly consisting of a new compd., (+)-6-ethenyl-2-hydroxy-6,10-dimethylundeca-2,9-dien-4-one (I), called melicopenol (8.6-30.1%). The compd. was isolated by column chromatog. and identified by spectral analyses including 1D- and 2D-NMR. [on SciFinder(R)]
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Jacqueline Smadja, Dominique Strasberg, Géraldine Le Goff, Anne Gauvin-Bialecki. Volatile Compounds from Melicope obscura. Chemistry and Biodiversity, Wiley, 2010, 7 (2), pp.467--475. ⟨10.1002/cbdv.200900098⟩. ⟨hal-01187699⟩

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