Journal of Natural Products 1995-May
New polyoxypregnane ester derivatives from Leptadenia hastata.
Alleen geregistreerde gebruikers kunnen artikelen vertalen
Log in Schrijf in
De link wordt op het klembord opgeslagen
Sleutelwoorden
Abstract
Six new polyoxypregnane esters [1-6] having sarcostin or deacetylmetaplexigenin as the aglycones, and acetyl, benzoyl, cinnamoyl, and nicotinoyl residues as the ester moieties linked at C-12 and/or at C-20, were isolated from Leptadenia hastata. In addition, three new glycosides [7-9] with D-cymarose and D-oleandrose linked at C-3 were present in the CHCl3 extract. Structures were deduced on the basis of spectral evidence.