What is it about?
In this work is shown that ascorbic acid can induce the formation of arylradicals from aryldiazonium salts to promote the oxidation of Au(I). The mechanism has been examined by EPR, cyclic voltammetry and DFT calculations. The arylAu(III) species generated have been used for the arylation of N-methylindoles.
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Why is it important?
Because it shows that the oxidation of Au(I) with aryldiazonium salts can be performed just by a natural reducing agent
Perspectives
This protocol for the oxidation of Au(I) with aryldiazonium salts is expected to be applied in catalytic transformations.
Susana Porcel
Universidad Nacional Autonoma de Mexico
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This page is a summary of: Ascorbic Acid as an Aryl Radical Inducer in the Gold‐Mediated Arylation of Indoles with Aryldiazonium Chlorides, Chemistry - A European Journal, November 2019, Wiley,
DOI: 10.1002/chem.201904413.
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