Two novel C terpenoids (, ) with an unprecedented carbon skeleton () were isolated from a sp. sponge collected from Vietnamese waters. Their structures and absolute configurations were established by extensive NMR, MS, and ECD analyses together with quantum chemical modeling and biogenetic considerations. The probable pathways of biogenesis of and from isomalabaricane triterpenoids are discussed. Compounds and significantly increase the production of reactive oxygen species in murine peritoneal macrophages.
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| http://dx.doi.org/10.1021/acs.jnatprod.9b00824 | DOI Listing |
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Cyclobutastellettolides A and B, C Norterpenoids from a sp. Marine Sponge.
J Nat Prod
November 2019
G.B. Elyakov Pacific Institute of Bioorganic Chemistry, the Far Eastern Branch of the Russian Academy of Sciences , Vladivostok-22, Prospect 100-let , Vladivostoku 159 , Russia.
Two novel C terpenoids (, ) with an unprecedented carbon skeleton () were isolated from a sp. sponge collected from Vietnamese waters. Their structures and absolute configurations were established by extensive NMR, MS, and ECD analyses together with quantum chemical modeling and biogenetic considerations.
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