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从安徽产三尖杉(Cephalotaxusfortunei Hook f.)弱碱中分到二种新的抗癌生物碱,命名为新三尖杉酯碱(neoharringonine,1)和脱水三尖杉酯碱(anhydroharringtonine,2)。从本种植物中还首次分到二个已知生物碱:脱氧三尖杉酯碱(deoxyharringtonine,3)和异三尖杉酯碱(isoharringtonine,4)。
Two new anticancer alkaloids were isolated from the weak base of Cephalotaxusfortunei Hook f. from Anhui Province and named as neoharringonine (1) and anhydroharringtonine (2). ). Two known alkaloids, deoxyharringtonine (3) and isoharringtonine (4), were also isolated from this plant for the first time.