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本文用氚溶剂交换法制备了氚标记喜树碱(Ⅰ),10-羟基喜树碱(Ⅱ)和石吊兰素(Ⅲ)。Ⅰ、Ⅱ和Ⅲ分别与CF_3COOH/T_2O_2,DMSO/T_2O或(CH_3COOH/T_2O加热各得到氚标记的Ⅰ,Ⅱ和Ⅲ。
Tritiated labeled camptothecin (Ⅰ), 10-hydroxycamptothecin (Ⅱ) and spain (Ⅲ) were prepared by tritium exchange method. Ⅰ, Ⅱ and Ⅲ were respectively labeled with tritium labeled with CF_3COOH / T_2O_2, DMSO / T_2O or (CH_3COOH / T_2O).