6533b858fe1ef96bd12b6568
RESEARCH PRODUCT
C-28/C-30 oxidized cycloartanes from the leaves and twigs of Caloncoba dusenii Gilg
Bruno Ndjakou LentaJules Delain TadjuidjeMathieu TeneTill OpatzLeonel Zeufack NguetsaJames D. Simo MpetgaGabin Thierry M. BitchagnoGabin Thierry M. BitchagnoNorbert SewaldJonathan Großsubject
Chromatography010405 organic chemistrySilica gelExtraction (chemistry)Plant ScienceMass spectrometry01 natural sciencesBiochemistry0104 chemical sciencesTerpene010404 medicinal & biomolecular chemistrychemistry.chemical_compoundColumn chromatographychemistryAgronomy and Crop ScienceBiotechnologydescription
Abstract Four hitherto unreported cycloartane-type triterpenes (1-4) with C-28/C-30 oxidized methyl groups together with two known compounds (5-6) have been obtained from the leaves and twigs of Caloncoba dusenii Gilg. The compounds were isolated through extraction and silica gel column chromatography. Their structures and relative stereochemistry were determined by extensive use of spectroscopic techniques including IR, 1D and 2D-NMR as well as mass spectrometry. This is the first report of C-28/C-30 oxidized positions in cycloartanes from nature.
| year | journal | country | edition | language |
|---|---|---|---|---|
| 2021-06-01 | Phytochemistry Letters |