Literature DB >> 12240978

Oleanane trietrpenoids from Cedrela montana (Meliaceae).

Leonardo Castellanos1, Rosabel S de Correa, Eduardo Martínez, José S Calderon.   

Abstract

Two new oleanane-type triterpenes, characterized as 3-oxo-11alpha,12alpha-epoxy-oleanan-28,13beta-olide and 3-oxo-olean-11-en-28,13beta-olide , were isolated from the fruits and seeds of Cedrela montana (Meliaceae). In addition, the known compounds oleanonic acid, a mixture of beta-sitosterol and stigmasterol, and the limonoid photogedunin were also isolated. The structures of the new compounds were established by spectroscopic methods, including 2D NMR.

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Year:  2002        PMID： 12240978     DOI： 10.1515/znc-2002-7-804

Source DB:  PubMed          Journal:  Z Naturforsch C J Biosci        ISSN： 0341-0382


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