A broadly applicable [18F]trifluoromethylation of aryl and heteroaryl iodides for PET imaging
作者:Mickael Huiban、Matthew Tredwell、Satoshi Mizuta、Zehong Wan、Xiaomin Zhang、Thomas Lee Collier、Véronique Gouverneur、Jan Passchier
DOI:10.1038/nchem.1756
日期:2013.11
the precursor and other reagents, as well as the limited availability of parent 18F sources of suitable reactivity ([18F]F– and [18F]F2). There is a high-priority demand for general methods allowing access to [18F]CF3-substituted molecules for application in pharmaceutical discovery programmes. We report the development of a process for the late-stage [18F]trifluoromethylation of (hetero)arenes from
A Universal Procedure for the [<sup>18</sup>F]Trifluoromethylation of Aryl Iodides and Aryl Boronic Acids with Highly Improved Specific Activity
作者:Dion van der Born、Claudia Sewing、J. Koos D. M. Herscheid、Albert D. Windhorst、Romano V. A. Orru、Danielle J. Vugts
DOI:10.1002/anie.201406221
日期:2014.10.6
Herein, we describe a valuable method for the introduction of the [18F]CF3 group into arenes with highly improved specific activity by the reaction of [18F]trifluoromethane with aryliodides or aryl boronic acids. This [18F]trifluoromethylation reaction is the first to be described in which the [18F]CF3 products are generated in actual trace amounts and can therefore effectively be used as PET tracers
[EN] RADIOLABELING AGENTS, METHODS OF MAKING, AND METHODS OF USE THEREOF<br/>[FR] AGENTS DE MARQUAGE ISOTOPIQUE, LEURS PROCÉDÉS DE FABRICATION ET PROCÉDÉS D'UTILISATION
申请人:US HEALTH
公开号:WO2018144101A1
公开(公告)日:2018-08-09
Described herein are labeling agents, specifically [11C]fluoroform, [11C]difluoromethane, [11C]fluoromethyl iodide, [11C]fluoromethyl bromide, [11C]fluoromethyl chloride, [11C]fluoromethyl trifluoromethansulfonate, [11C]difluoromethyl iodide, [11C]difluoromethyl bromide, [11C]difluoromethyl chloride, [11C]difluoromethyl trifluoromethansulfonate, [11C]trifluoromethyl iodide, [11C]trifluoromethyl bromide, [11C]trifluoromethyl chloride, [11C]trifluoromethyl trifluoromethansulfonate, [18F]fluoroform, [18F]difluoromethane, [18F]difluoromethyl bromide or [18F]trifluoromethyl bromide. Also included are methods of labeling precursors to provide labeled fluoroalkanes and imaging methods.
Positronemissiontomography has emerged as the leading method for medical imaging with fluorine‐18 as the most widely used radioactive isotope. Here we report a semi‐automated method for the preparation of valuable [18F]trifluoromethylcopper, as well as its use for the radiosynthesis of [18F]trifluoromethylarenes and heteroarenes. Mild conditions of [18F]trifluoromethylation make this method particularly
Cu(<scp>i</scp>)-mediated <sup>18</sup>F-trifluoromethylation of arenes: Rapid synthesis of <sup>18</sup>F-labeled trifluoromethyl arenes
作者:T. Rühl、W. Rafique、V. T. Lien、P. J. Riss
DOI:10.1039/c4cc01641f
日期:——
report is concerned with an efficient, Cu(I)-mediated method for the radiosynthesis of [(18)F]trifluoromethyl arenes, abundant motifs in small molecule drug candidates and potential radiotracers for positron emission tomography. Three (18)F-labelled radiotracer candidates were synthesised from [(18)F]fluoride ions as proof of principle. The new protocol is widely applicable for the synthesis of novel