Radiodifluoromethylation of well-functionalized molecules.
American journal of nuclear medicine and molecular imaging(2024)
摘要
The strategic installation of a [18F]fluorine atom at the specific position of the lead molecule is a never-ending challenge for radiochemists in their endeavour to develop novel positron emission tomography (PET) imaging applications. Although the radiosynthesis of [18F]CF2H-containing molecules has been explored in the past decade, more methods need to be explored for various well-functionalized compounds. Recently, two novel strategies of radiodifluoromethylation were reported, namely the utilization of [18F]difluorocarbene building block and frustrated Lewis pair-mediated C-18F bond formation, respectively. These methods provide an efficient radiofunctionalization of complex CF2H-containing molecules for drug discovery and PET ligand development.
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