Selective Electrocatalytic Hydrogenation of<i>trans</i>-2-Allyl-6-methyl(allyl, phenyl)-1,2,3,6-tetrahydropyridines on the Nickel and Copper Cathodes

Korotaeva, L. M.; Rubinskaya, T. Ya.; Gul’tyai, V. P.

doi:10.1023/b:ruel.0000003447.19520.33

Cited by 1 publication

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“…In fact, it has been demonstrated that most organic functional groups, including C�N and C�O bonds, that can be hydrogenated by thermocatalytic hydrogenation, have also been reported to be electrocatalytically hydrogenated. 9,10 Furthermore, the compatibility of electrocatalytic hydrogenation (ECH) with electricity from renewable sources like solar and wind energy enhances its industrial viability. 11 This article is licensed under CC-BY-NC-ND 4 However, electrocatalytic hydrogenation is not without limitations.…”

Section: Introductionmentioning

confidence: 99%

Electrocatalytic Hydrogenation Using Palladium Membrane Reactors

Han,

Li,

Sun

2024

JACS Au

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Hydrogenation is a crucial chemical process employed in a myriad of industries, often facilitated by metals such as Pd, Pt, and Ni as catalysts. Traditional thermocatalytic hydrogenation usually necessitates high temperature and elevated pressure, making the process energy intensive. Electrocatalytic hydrogenation offers an alternative but suffers from issues such as competing H 2 evolution, electrolyte separation, and limited solvent selection. This Perspective introduces the evolution and advantages of the electrocatalytic Pd membrane reactor (ePMR) as a solution to these challenges. ePMR utilizes a Pd membrane to physically separate the electrochemical chamber from the hydrogenation chamber, permitting the use of water as the hydrogen source and eliminating the need for H 2 gas. This setup allows for greater control over reaction conditions, such as solvent and electrolyte selection, while mitigating issues such as low Faradaic efficiency and complex product separation. Several representative hydrogenation reactions (e.g., hydrogenation of C�C, C�C, C�O, C�N, and O�O bonds) achieved via ePMR over the past 30 years were concisely discussed to highlight the unique advantages of ePMR. Promising research directions along with the advancement of ePMR for more challenging hydrogenation reactions are also proposed. Finally, we provide a prospect for future development of this distinctive hydrogenation strategy using hydrogen-permeable membrane electrodes.

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