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- Title
Saponins with an Unusual Secoursene Skeleton from Sesamum alatum T HONN.
- Authors
Potterat, Olivier; Hostettmann, Kurt; Stoeckli-Evans, Helen; Saadou, Mahamane
- Abstract
Three new saponins, alatoside A-C ( 4a, 5, and 6a, resp.), with a 18,19-secours-12-ene skeleton were isolated from the aerial parts of Sesamum alatum T HONN. (Pedaliaceae) by preparative liquid chromatography. Their structures were elucidated by spectroscopic methods, including X-ray diffraction analysis, and by chemical degradation (acidic and enzymatic hydrolyses). In addition, verbascoside ( 1) and two cyclohexylethanol derivatives, rengyol ( 2a) and isorengyol ( 3a), were isolated and identified.
- Publication
Helvetica Chimica Acta, 1992, Vol 75, Issue 3, p833
- ISSN
0018-019X
- Publication type
Article
- DOI
10.1002/hlca.19920750318