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半合成三尖杉酯硷系利用三尖杉属植物中含量较高的三尖杉硷(构型为3S、4S、5R),进行人工合成所得的三尖杉酯硷(Harringtonine)Ⅰ(2'R)
Semi-synthetic harringtonine The alkaline Harringtonine Ⅰ (2) synthesized by artificially synthesized corkthrine (3S, 4S, 5R) with high content in Cephalotaxus, ’R)