Fluorine-18: Radiochemistry and Target-Specific PET Molecular Probes Design.

Fluorine-18: Radiochemistry and Target-Specific PET Molecular Probes Design.
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Fluorine-18:放射化学和目标特异性 PET 分子探针设计

DOI:
10.3389/fchem.2022.884517
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发表时间:
2022
影响因子:
5.5
通讯作者:
Cheng, Dengfeng
Cheng, Dengfeng
中科院分区:
化学3区
文献类型:
--
作者:
Wang, Yunze;Lin, Qingyu;Shi, Hongcheng;Cheng, Dengfeng

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正电子发射断层扫描(PET)分子成像技术作为评估活体生物和生化过程的关键工具已获得普遍价值。氟-18良好的化学、物理和核特性(97% β+衰变,109.8分钟半衰期,635 keV正电子能量)使其成为标记和分子成像的有吸引力的核素。2-[18 F]氟-2-脱氧-D-葡萄糖([18 F]FDG)是最常用的PET示踪剂。除此之外,临床使用或开发中的PET探针的显著丰富比例含有氟或氟烷基取代基。由于上述原因,18F标记的放射性示踪剂设计已成为放射化学和放射药剂学的热门话题。在过去的几十年里,由于新试剂和催化剂的开发,我们目睹了18F标记方法的快速增长。本文综述了自2015年以来用亲核[18 F]氟化物放射合成[18 F]含氟部分的策略。
The positron emission tomography (PET) molecular imaging technology has gained universal value as a critical tool for assessing biological and biochemical processes in living subjects. The favorable chemical, physical, and nuclear characteristics of fluorine-18 (97% β+ decay, 109.8 min half-life, 635 keV positron energy) make it an attractive nuclide for labeling and molecular imaging. It stands that 2-[18F]fluoro-2-deoxy-D-glucose ([18F]FDG) is the most popular PET tracer. Besides that, a significantly abundant proportion of PET probes in clinical use or under development contain a fluorine or fluoroalkyl substituent group. For the reasons given above, 18F-labeled radiotracer design has become a hot topic in radiochemistry and radiopharmaceutics. Over the past decades, we have witnessed a rapid growth in 18F-labeling methods owing to the development of new reagents and catalysts. This review aims to provide an overview of strategies in radiosynthesis of [18F]fluorine-containing moieties with nucleophilic [18F]fluorides since 2015.
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