Alkaloids from leaves of Kopsia larutensis
1992
Kam, T.S. | Tan, P.S. | Chuah, C.H.
Five alkaloids of the eburnan type, viz., (+)-eburnamonine, (+)-eburnamonine N(4)-oxide, (-)-eburnamine, (+)-isoeburnamine and larutenine have been isolated from the leaves of Kopsia larutensis. Larutenine is a new alkaloid, while (+)-eburnamonine N(4)-oxide is isolated as a natural product for the first time. The structures of these alkaloids were assigned by spectral methods.
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