肿瘤增殖显像剂~(18)F-FLT的合成和标记

Journal of Nuclear and Radiochemistry(2009)

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Abstract
为制备肿瘤增殖显像剂3’-脱氧-3’-氟胸腺嘧啶脱氧核苷(3-’deoxy-3-’fluorothymidine,18F-FLT),合成了标记前体3-N-t-叔丁氧羰基-1-[5-’O-(4,4’-二甲氧基三苯甲基)-2’-脱氧-3-’O-(4-硝基苯磺酰基--β1)-苏戊呋喃糖]胸腺嘧啶脱氧核苷(N-BOC-FLT)并进行了标记。标记前体和各步合成中间体均经红外、核磁共振和质谱确证;于120℃进行亲核氟化反应,标记率为(35.2±5.8)%(经校正,n=2),用TLC和HPLC检测其放化纯度(RCP)大于95%,可满足临床研究的要求。
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Key words
18F-FLT,18F labeling,synthesis
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