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C-H activation/functionalization via metalla-electrocatalysis

Martins, Guilherme M., Sbei, Najoua, Zimmer, Geórgia C. and Ahmed, Nisar 2021. C-H activation/functionalization via metalla-electrocatalysis. In: Khotseng, Lindiwe ed. Electrocatalysis, Intech Open, (10.5772/intechopen.95517)

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Abstract

In conventional methods, C−H activations are largely involved in the use of stoichiometric amounts of toxic and expensive metal & chemical oxidants, conceding the overall sustainable nature. Meanwhile, undesired byproducts are generated, that is problematic in the scale up process. However, electrochemical C−H activation via catalyst control strategy using metals as mediators (instead electrochemical substrate control strategy) has been identified as a more efficient strategy toward selective functionalizations. Thus, indirect electrolysis makes the potential range more pleasant, and less side reactions can occur. Herein, we summarize the metalla-electrocatalysis process for activations of inert C−H bonds and functionalization. These Metalla-electrocatalyzed C−H bond functionalizations are presented in term of C−C and C−X (X = O, N, P and halogens) bonds formation. The electrooxidative C−H transformations in the presence of metal catalysts are described by better chemoselectivities with broad tolerance of sensitive functionalities. Moreover, in the future to enhance sustainability and green chemistry concerns, integration of metalla-electrocatalysis with flow and photochemistry will enable safe and efficient scale-up and may even improve reaction times, kinetics and yields.

Item Type: Book Section
Date Type: Published Online
Status: In Press
Schools: Chemistry
Publisher: Intech Open
ISBN: 9781839681271
Date of First Compliant Deposit: 29 March 2021
Date of Acceptance: 17 December 2020
Last Modified: 30 Mar 2021 13:38
URI: http://orca.cardiff.ac.uk/id/eprint/140150

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