87638-69-5Relevant academic research and scientific papers
3,5,7,3',5'-PENTAHYDROXYFLAVAN AND 3α-METHOXYFRIEDELAN FROM HUMBOLDTIA LAURIFOLIA
Samaraweera, Upasiri,Sotheeswaran, Subramaniam,Sultanbawa, M. Uvais S.
, p. 565 - 568 (1983)
The leaf, bark and timber extractives of Humboldtia laurifolia were investigated and the following compounds have been isolated: O-acetyloleanolic aldehyde, a sitosteryl ester, lupeol, sitosterol, a fatty acid, 5,7,4'-trihydroxyflavone (apigenin), (2R,3R)-3,5,7,3',5'-pentahydroxyflavan and 3α-methoxyfriedelan.The latter two compounds are new natural products.Key Word - Humboldtia laurifolia; Leguminosae; O-acetyloleanolic aldehyde; lupeol; 5,7,4'-trihydroxyflavone; (2R,3R)-3,5,7,3',5'-pentahydroxyflavan; 3α-methoxyfriedelan.
