Terpenoids from Russula lepida and R. amarissima (Basidiomycota, Russulaceae)

Marco Clericuzio, Claudio Cassino, Federica Corana, Giovanni Vidari

Risultato della ricerca: Contributo su rivistaArticolo in rivistapeer review

Abstract

Four aristolane sesquiterpenes were isolated from the fruiting bodies of Russula lepida and R. amarissima, namely (1R,2S)-1,2-dihydroxyaristolone (6), (2S,11S)-2,12-dihydroxy-aristolone (7), (1R,2S,11S)-1,2,12-trihydroxyaristolone (8), (1S,2S,11S)-1,2,12-trihydroxy-aristolone (9). In addition, a seco-cucurbitane triterpene, i.e. 3,4-secocucurbita-4,24E-diene-3-hydroxy-26- carboxylic acid (14) was isolated from both species. The configuration at C-2 of the already known rulepidol (2-hydroxyaristolone, 5) was corrected as S instead of R. Several more aristolane and nardosinane sesquiterpenes, as well as cucurbitane triterpenes, already reported both from European and Chinese samples of R. lepida, were also isolated. Compound 14 showed moderate cell growth inhibitory activity.

Lingua originaleInglese
pagine (da-a)154-159
Numero di pagine6
RivistaPhytochemistry
Volume84
DOI
Stato di pubblicazionePubblicato - dic 2012

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