QUAFRINOIC ACIDS: TWO NEW TRITERPENIODS FROM QUASSIA AFRICANA STEM BARK
| Autor: | Ajaiyeoba, EO, Krebs, HC |
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| Jazyk: | angličtina |
| Rok vydání: | 2004 |
| Předmět: | |
| Zdroj: | Nigerian Journal of Natural Products and Medicine; Vol 7 (2003); 39-41 |
| ISSN: | 1118-6267 |
| Popis: | From the stem bark of Quassia africana, two new triterpenoids with the ursolic acid skeleton, characterized as 3-oxo-urs-12-en-27a, 28di-oic acid and its dihydro derivative, 3β-urs-12-en-27α, 28di-oic acid have been isolated. The structures were determined using spectroscopic techniques. KEY WORDS: Quassia africana; Simaroubaceae; triterpenoids; Quafrinoic acids Nigerian Journal of Natural Products and Medicine Vol.7 2003: 39-41 |
| Databáze: | OpenAIRE |
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