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. Author manuscript; available in PMC: 2022 Jun 8.
Published in final edited form as: Chem Rev. 2021 Dec 20;122(1):1–49. doi: 10.1021/acs.chemrev.1c00521

Figure 2.

Figure 2.

(A) Dependence of reaction overpotential on the mole fraction of H2O in a [(DMF)H]NTf2–H2O ionic liquid, where overpotential is the difference between Ecat/2 and E(H+/H2) under the reaction conditions. (B) The dependence of proton diffusion constant for two different ionic liquids (red or blue dots) and of catalytic current for 1-C6 in [(DBF)H]NTf2–H2O (green squares) on the mole fraction of H2O. (C) Structures of the nickel catalysts used and their R groups of varying steric bulk. (D) Relationship between the logarithms of boat-chair isomerization rate and turnover frequency. (A) and (B) are reprinted with permission from ref 70. Copyright 2014 Royal Society of Chemistry. (C) and (D) are reprinted (adapted) with permission from ref 73. Copyright 2016 Wiley.