
Phytochemistry p. 565 - 568 (1983)
Update date:2022-08-04
Topics:
Samaraweera, Upasiri
Sotheeswaran, Subramaniam
Sultanbawa, M. Uvais S.
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.
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Doi:10.1021/jo051889a
(2006)Doi:10.1021/ja02219a017
(1911)Doi:10.1016/0008-6215(83)84048-8
(1983)Doi:10.1021/ja01506a039
(1960)Doi:10.1016/S0022-1139(00)84975-1
(1983)Doi:10.1002/cbdv.202100186
(2021)