An electrochemical access to iodinated aromatic compounds starting from trimethylsilyl-substituted arenes is presented. By design of experiments, highly efficient and mild conditions were identified for a wide range of substrates. A functional group stability test and the synthesis of an important 3-iodobenzylguanidine radiotracer illustrate the scope of this process.
Ein neuer elektrochemischer Zugang zu Iodaromaten ausgehend von Trimethylsilyl-substituierten Aromaten wird präsentiert. Durchs tatistische Versuchsplanung konnten sehr effiziente und milde Reaktionsbedingungen gefunden und auf eine Vielzahl von Substraten angewendet werden. Ein Kompatibilitätstest und die Verwendung der Methode zur Synthese eines 3-Iodbenzylguanidin-Derivats (Radiomarker) illustrieren die Anwendungsbreite.Schema 1. Iodierungsreaktionen. [5,6]
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