Abstract
Ionic liquids are obvious candidates for use in electrochemical applications due to their ionic character. Nevertheless, relatively little has been done to explore their application in electrosynthesis. We have studied the Shono oxidation of arylamines and carbamates using ionic liquids as recyclable solvents and have noted that the viscosity of the medium is a major problem, although with the addition of sufficient co-solvent, good results and excellent recovery and recycling of the ionic liquid can be achieved.
Highlights
One of the universal truths regarding electrochemistry is that the reaction medium must be capable of carrying a charge
The supporting electrolyte is often one of the most expensive materials used in synthetic electrosynthesis
room temperature ionic liquids (RTILs) can be characterized as salts that
Summary
One of the universal truths regarding electrochemistry is that the reaction medium must be capable of carrying a charge. In general this has been accomplished by employing a supporting electrolyte (a salt) that is soluble in the reaction medium. While highly successful, this does limit the “greenness”. The supporting electrolyte is often one of the most expensive materials used in synthetic electrosynthesis. As a result, it would be of great potential benefit if the supporting electrolyte could be both readily separable from the reaction products and readily recycled.
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