Electrosynthesis in Laminar Flow Using a Flow Microreactor

Electrosynthesis and microflow synthesis have become essential tools in their own rights in modern organic synthesis. In this personal account, we summarize our works on the integrated use of these techniques, i. e., electrosynthesis in a flow microreactor. Our group has developed an electrochemical...

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Bibliographic Details
Published in:Chemical record 2021-09, Vol.21 (9), p.2164-2177
Main Authors: Shida, Naoki, Nakamura, Yuto, Atobe, Mahito
Format: Article
Language:English
Subjects:
Chemical reactions
Combinatorial analysis
Electrochemical cells
Electrochemistry
Electrolysis
Electrolytic cells
Electron transfer
Electrosynthesis
Flow Microreactor
Laminar flow
Microreactors
Parallel Laminar Flow
Polymerization
Redox Chemistry
Selectivity
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Summary:Electrosynthesis and microflow synthesis have become essential tools in their own rights in modern organic synthesis. In this personal account, we summarize our works on the integrated use of these techniques, i. e., electrosynthesis in a flow microreactor. Our group has developed an electrochemical microflow system composed of a pair of electrodes that face each other to form a micrometer‐scale gap for the flow path, through which solution passes in laminar flow. By the aid of laminar flow, unprecedented chemo‐ and electrochemical selectivity has been observed, which is not achievable with conventional batch‐type electrochemical cells. In addition, we showcase various unique electrochemical systems and reactions achieved with the flow microreactor, including self‐supported electrolysis, efficient paired electrolysis, in situ generation of active species and its flash use, the spaciotemporal control of electropolymerization, and combinatorial screening of the reaction conditions. In this personal account, we summarize our works on the integrated use of electrochemical synthesis and a flow microreactor. Our group has developed an electrochemical microflow system composed of a pair of electrodes that face each other to form a micrometer‐scale gap for the flow path, where laminar flow is generated. Parallel laminar flow can also be generated by passing two electrolytes, which has resulted in unprecedented chemo‐ and electrochemical selectivity. We hope that this account would be a guide for chemists to develop novel electrochemical systems.
ISSN:1527-8999
1528-0691
DOI:10.1002/tcr.202100016