In:
Green Chemistry, Royal Society of Chemistry (RSC), Vol. 24, No. 21 ( 2022), p. 8264-8269
Abstract:
Renewable electricity-driven organic electrosynthesis processes, with enhanced energy conversion efficiencies and reduced carbon footprints, for high-value organic chemicals production are enticing chemists to complement or even supplant traditional industrial synthesis routes. Despite being regularly lauded, electrosynthesis remains a very under-used procedure in organic chemical laboratories and industry. Olefin oxidation chemistry plays an essential role in manipulating organics and the resulting epoxides are widely used as feedstocks and intermediates in industry. Here, we describe an electro-organic system with a phase-separated membrane-electrode assembly strategy, coupling in situ H 2 O 2 electrogeneration and olefin epoxidation, that delivers pure solvent-only epoxide solutions with energy conversion efficiencies 〉 90%, consuming only H 2 O and O 2 under ambient conditions. Specifically, the electrocatalytically generated H + and HO 2 − , from H 2 O oxidation and O 2 reduction, are recombined to form H 2 O 2 using an ionic conductor, acting as the oxidizing agent for olefin epoxidation. Using engineered efficient catalysts, we demonstrate broad substrate scope and extendable reactions for downstream organic synthesis involving H 2 O 2 .
Type of Medium:
Online Resource
ISSN:
1463-9262
,
1463-9270
Language:
English
Publisher:
Royal Society of Chemistry (RSC)
Publication Date:
2022
detail.hit.zdb_id:
1485110-6
detail.hit.zdb_id:
2006274-6
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