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  • Title: [Studies on the alkaloids of Cephalotaxus. VII. Structures and semi-synthesis of two anticancer cephalotaxine esters].
    Author: Wang DZ, Ma GE, Xu RS.
    Journal: Yao Xue Xue Bao; 1992; 27(3):173-7. PubMed ID: 1414381.
    Abstract:
    Two new alkaloids, namely neoharringtonine (1) and anhydroharringtonine (2) with significant antileukemic activity were isolated from Cephalotaxus fortunei Hook f.. Their structures have been established by spectral analyses and semi-synthesis. Seven known alkaloids, deoxyharringtonine (3), isoharringtonine (4), isocephalotaxinone (5), acetylcephalotaxine (6), cephalotaxine (7), harringtonine (8) and homoharringtonine (9), were also isolated and identified.
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