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Several new isoprenoids from the soft coral sinularia erecta
Eight compounds were isolated from the Indo-Pacific soft coral Sinularia erecta collected from the lagoon of Mayotte, Comoros Islands, northwest of Madagascar by means of 1D and 2D NMR and MS spectroscopy in addition to some chemical transformations.
Haliclorensin, a Novel Diamino Alkaloid from the Marine Sponge Haliclonatulearensis
Haliclorensin (1), a novel diamino alkaloid possessing an azacyclodecane ring, has been isolated from the sponge Haliclona tulearensis. Its structure was elucidated on the basis of spectroscopic…
Bebryazulene, a new guaiane metabolite from the indian ocean gorgonian coral, bebryce grandicalyx
A new sesquiterpene having the guaiane skeleton was isolated from the methanol-chloroform 1:2 extract of the Indian Ocean gorgonian coral Be Bryce grandicalyx collected in the lagoon of Mayotte and reacted with 4-phenyl-3H-1,2,4-triazoline-3,5-dione to yield an unexpected adduct.