| Abstract: | From the leaves of Rabdosia coetsa (Buch.-Ham. ex D. Don) Ham, a new kauranoic acid, coetsanoic acid, along with eight known compounds, dihydrorabdoktmmin C, rabdoktmmin C, albopilosin A, maerocalyxin C, N-2'-hydroxy-eieosanoyl ( henicosanoyl-hexacosanoyl )-4-hydroxy- trans-8-sphingenine,ursolic acid, 2a, 3β-dihydroxyursolie acid and daucosterol has been isolated. Its structure was established as 7a, 12a, 14β-tri-hydroxy-15-oxo-ent-kauran-18-carboxy acid by spectroscopic means. The ceramides were isolated from the plants of Rabdosia for the first time. |
