Dammarane and cycloartane triterpenoids from three Rapanea species
✍ Scribed by Ana H Januário; M Fátima Das; G.F Da Silva; Paulo C Vieira; João B Fernandes
- Publisher
- Elsevier Science
- Year
- 1992
- Tongue
- English
- Weight
- 349 KB
- Volume
- 31
- Category
- Article
- ISSN
- 0031-9422
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Nine cycloartane-type glycosides were isolated from three species of the genus Astragalus (Fabaceae): From the aerial parts of A. cicer L., two new saponins, cicerosides A and B (1 and 2, resp.), i.e., a tetradesmosidic and tridesmosidic cycloartane-type glycosides besides one known compound, from t
## Abstract One new dammarane triterpenoid, cylindrictone A (**1**), as well as five new __nor__‐dammarane triterpenoids cylindrictone B–F (**2**–**6**) were isolated from the leaves of __Viburnum cylindrium__, together with three known compounds 3__β__‐hydroxy‐hexanordammaran‐20‐one (**7**), 3__α_
## Abstract Two new dammarane triterpenoids, 20__R__,21‐epoxydammar‐24‐ene‐3,23‐dione and 20__R__,21‐epoxy‐3β‐hydroxydammar‐24‐ene‐23‐one have been isolated from the aerial parts of __Kageneckia angustifolia__ D. Don, Rosaceae, along with the previously reported triterpenoids oleanolic acid and 3β‐