PROMOTING ACCESS TO AFRICAN RESEARCH

Nigerian Journal of Natural Products and Medicine

Log in or Register to get access to full text downloads.

Remember me or Register



DOWNLOAD FULL TEXT Open Access  DOWNLOAD FULL TEXT Subscription or Fee Access

QUAFRINOIC ACIDS: TWO NEW TRITERPENIODS FROM QUASSIA AFRICANA STEM BARK

EO Ajaiyeoba, HC Krebs

Abstract


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



http://dx.doi.org/10.4314/njnpm.v7i1.11704
AJOL African Journals Online