Alkaloids from Kopsia dasyrachis
作者： Toh-Seok Kam , G Subramaniam , Wei Chen
DOI: 10.1016/S0031-9422(98)00721-3
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摘要: Abstract A total of 32 alkaloids were obtained from the stem extract Kopsia dasyrachis,of which ten are new, viz., kopsiflorine N (4)-oxide, 11-methoxykopsilongine (4)-oxide,kopsifine, decarbomethoxykopsifine, kopsinarine, 11,12-methylenedioxykopsine, dasyrachine,rhazinicine, (+)-19 (R)-hydroxyeburnamine and (−)-19 (R)-hydroxyisoeburnamine.
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