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Concentrated Aqueous Peroxodicarbonate: Efficient Electrosyn- thesis and Use as Oxidizer in Epoxidations, S-, and N-Oxidations.


ABSTRACT: Peroxodicarbonates are of substantial interest as potentially powerful and sustainable oxidizers but have so far been accessible only in low concentrations with unsatisfactory energy efficiency. Concentrated (> 0.9 mol L-1 ) peroxodicarbonate solutions have now been made accessible by the electrolysis of aqueous K2 CO3 /Na2 CO3 /KHCO3 solutions at high current density of 3.33 A cm-2 in an efficiently cooled circular flow reactor equipped with a boron-doped diamond anode and a stainless-steel cathode. Their synthetic potential as platform oxidizers was clearly demonstrated in transformations including sulfoxidation, N-oxidation, and epoxidation.

SUBMITTER: Seitz AK 

PROVIDER: S-EPMC9324847 | biostudies-literature | 2022 Jun

REPOSITORIES: biostudies-literature

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Concentrated Aqueous Peroxodicarbonate: Efficient Electrosyn- thesis and Use as Oxidizer in Epoxidations, S-, and N-Oxidations.

Seitz Ann-Katrin AK   Kohlpaintner Philipp J PJ   van Lingen Tim T   Dyga Marco M   Sprang Fiona F   Zirbes Michael M   Waldvogel Siegfried R SR   Gooßen Lukas J LJ  

Angewandte Chemie (International ed. in English) 20220425 25


Peroxodicarbonates are of substantial interest as potentially powerful and sustainable oxidizers but have so far been accessible only in low concentrations with unsatisfactory energy efficiency. Concentrated (> 0.9 mol L<sup>-1</sup> ) peroxodicarbonate solutions have now been made accessible by the electrolysis of aqueous K<sub>2</sub> CO<sub>3</sub> /Na<sub>2</sub> CO<sub>3</sub> /KHCO<sub>3</sub> solutions at high current density of 3.33 A cm<sup>-2</sup> in an efficiently cooled circular flo  ...[more]

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