A new triterpene, cycloart-23Z-enfe-3β,25-diol and other oxygenated cycloartanes have been isolated from Juncus effusus. The configurations at C-24 of the epimeric 24,25-epoxycycloartan-3β-ols, cycloart-25-ene-3β,24-diols and cycloartane-3β,24,25-triols have been attributed on the basis of chemical correlations. The 1H and 13C NMR chemical shifts of the 24R- and 24S-stereomers are also reported. © 1994.
Cycloartane triterpenes from Juncus effusus
FIORENTINO, Antonio;MONACO, Pietro;
1994
Abstract
A new triterpene, cycloart-23Z-enfe-3β,25-diol and other oxygenated cycloartanes have been isolated from Juncus effusus. The configurations at C-24 of the epimeric 24,25-epoxycycloartan-3β-ols, cycloart-25-ene-3β,24-diols and cycloartane-3β,24,25-triols have been attributed on the basis of chemical correlations. The 1H and 13C NMR chemical shifts of the 24R- and 24S-stereomers are also reported. © 1994.File in questo prodotto:
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