Studies on the Constituents of Marsdenia formosana MASAMUNE. I. Isolation of Triterpenoids and Structure of Marsformol
Open Access
- 1 January 1978
- journal article
- research article
- Published by Pharmaceutical Society of Japan in YAKUGAKU ZASSHI
- Vol. 98 (3) , 249-256
- https://doi.org/10.1248/yakushi1947.98.3_249
Abstract
Triterpenoid compounds from the petroleum ether extracts of M. formosana Masamune (Asclepiadaceae) were examined. The known triterpenoids, .alpha.-amyrin, .alpha.-amyrin acetate, .alpha.-amyrenone, .alpha.-amyrin cinnamate, neoilexonol acetate, lupeol, lupenyl acetate and lupenone were isolated and characterized. In addition to these known compounds, 3 new triterpenoids, one of which was named marsformol, were also isolated. Structures of these 3 new triterpenoids were assigned from chemical and spectral data.Keywords
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