11CO2 fixation: a renaissance in PET radiochemistry.
11CO2 fixation: a renaissance in PET radiochemistry.
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DOI:
10.1039/c3cc42236d
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发表时间:
2013-06-25
期刊:
影响因子:
--
通讯作者:
Vasdev N
中科院分区:
文献类型:
--
作者:
Rotstein BH;Liang SH;Holland JP;Collier TL;Hooker JM;Wilson AA;Vasdev N
Carbon-11 labelled carbon dioxide is the cyclotron-generated feedstock reagent for most positron emission tomography (PET) tracers using this radionuclide. Most carbon-11 labels, however, are installed using derivative reagents generated from [11C]CO2. In recent years, [11C]CO2 has seen a revival in applications for the direct incorporation of carbon-11 into functional groups such as ureas, carbamates, oxazolidinones, carboxylic acids, esters, and amides. This review summarizes classical [11C]CO2 fixation strategies using organometallic reagents and then focuses on newly developed methods that employ strong organic bases to reversibly capture [11C]CO2 into solution, thereby enabling highly functionalized labelled compounds to be prepared. Reactions and radiopharmaceuticals that have been translated to the clinic are highlighted.
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