Anti-mycobacterial haliclonadiamine alkaloids from the Okinawan marine sponge Haliclona sp. collected at Iriomote Island
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DOI: 10.1016/j.phytol.2018.05.028
Abstract: Abstract Two new haliclonadiamine derivatives, halichondriamine C (1) and 1-epi-halichondriamine C (2), were isolated from the Okinawan marine sponge Haliclona sp. together with known haliclonadiamine (3) and papuamine (4). The structures of 1 and 2… read more here.
Keywords: haliclonadiamine; okinawan marine; sponge haliclona; marine sponge ... See more keywords
Njaoamine I, a cytotoxic polycyclic alkaloid from the Haplosclerida sponge Haliclona (Reniera) sp.
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DOI: 10.1016/j.tetlet.2018.05.059
Abstract: Abstract A new cytotoxic polycyclic alkaloid containing a quinoline moiety, njaoamine I ( 1 ) has been isolated from the methanol extract of the sponge Haliclona ( Reniera ) sp. collected at Okuza Island, Tanzania.… read more here.
Keywords: cytotoxic polycyclic; polycyclic alkaloid; sponge haliclona; haliclona reniera ... See more keywords
Gracilosulfates A–G, Monosulfated Polyoxygenated Steroids from the Marine Sponge Haliclona gracilis
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DOI: 10.3390/md18090454
Abstract: Seven new polyoxygenated steroids belonging to a new structural group of sponge steroids, gracilosulfates A–G (1–7), possessing 3β-O-sulfonato, 5β,6β epoxy (or 5(6)-dehydro), and 4β,23-dihydroxy substitution patterns as a common structural motif, were isolated from the… read more here.
Keywords: sponge; polyoxygenated steroids; sponge haliclona; marine sponge ... See more keywords