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Rosane diterpenoids

Bioassay-guided fractionation of the bioactive alcoholic extracts of V. Candida involving solvent-solvent partition, Sephadex LH-20 gel filtration. Si gel column chromatography and reversed-phase HPLC as appropriate afforded a novel moderately bioactive 6,7-seco-rosane diterpenoid, candidalactone (31) [35]. The gross structure of candidalactone (31), including relative stereochemistry, was determined by the application of H-, C-NMR, DEPT, COSY-45, HETCOR and NOESY spectroscopy. Another new but inactive diterpenoid, candidenoidiol, was also isolated and its structure was elucidated as 10S,11R-dihydroxy-5(6),15-rosanedien-7-one (32) with the help of H-, C-NMR, dept, COSY-45, HETCOR, HMBC and ORD spectroscopic techniques. [Pg.474]

Eu GM, Qin HL, Yu SS, Yu BY. Yuexiandajisu D, a novel 18-nor-rosane-type dimeric diterpenoid from Euphorbia ebracteolata Hayata. J. Asian Nat. Prod. Res. 2006 8 29-34. [Pg.1196]

See other pages where Rosane diterpenoids is mentioned: [Pg.118]    [Pg.192]    [Pg.95]    [Pg.95]    [Pg.171]    [Pg.457]    [Pg.474]    [Pg.101]    [Pg.118]    [Pg.192]    [Pg.95]    [Pg.95]    [Pg.171]    [Pg.457]    [Pg.474]    [Pg.101]    [Pg.132]    [Pg.133]    [Pg.495]    [Pg.756]   
See also in sourсe #XX -- [ Pg.20 , Pg.474 ]



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Diterpenoid

Diterpenoides

Rosane

Rosanes

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