Salazar, C. A.; Flesch, K. N.; Haines, B. E.; Zhou, P. S.; Musaev, D. G.; Stahl, S. S. Tailored Quinones Support High-Turnover Pd Catalysts for Oxidative C–H Arylation with O2. Science 2020, First Release. DOI: 10.1126/science.abd1085. Bruns, D. L.; Musaev, D. G.; Stahl, S. S. Can Donor Ligands Make Pd(OAc)2 a Stronger Oxidant? Access to Elusive Palladium(II) Reduction Potentials and Effects of Ancillary Ligands via Palladium(II)/Hydroquinone Redox Equilibria. J. Am. Chem. Soc. 2020 Article ASAP. DOI: 10.1021/jacs.0c09464.Tereniak, S. J.; Bruns, D. L.; Stahl, S. S. Pd-Catalyzed Aerobic Oxidative Coupling of Thiophenes: Synergistic Benefits of Phenanthroline Dione and a Cu Cocatalyst. J. Am. Chem. Soc. 2020, Article ASAP. DOI: 10.1021/jacs.0c09962.Wang, Y.-H.; Mondal, B.; Stahl, S. S. Molecular Cobalt Catalysts for O2 Reduction to H2O2: Benchmarking Performance via Rate–Overpotential Correlations. ACS Catal. 2020, 10, 12031-12039. DOI: 10.1021/acscatal.0c02197Klinger, G. E.; Zhou, Y.; Foote, J. A.; Wester, A. M.; Cui, Y.; Alherech, M.; Stahl, S. S.; Jackson, J. E.; Hegg, E. L. Nucleophilic Thiols Reductively Cleave Ether Linkages in Lignin Model Polymers and Lignin. ChemSusChem 2020, 13, 4394–4399. DOI: 10.1002/cssc.202001238Vasilopoulos, A.; Golden, D. L.; Buss, J. A.; Stahl, S. S. Copper-Catalyzed C–H Fluorination/Functionalization Sequence Enabling Benzylic C–H Cross Coupling with Diverse Nucleophiles. Org. Lett. 2020, 22, 5753-5757. DOI: 10.1021/acs.orglett.0c02238Buss, J. A.; Vasilopoulos, A.; Golden, D. L.; Stahl, S. S. Copper-Catalyzed Functionalization of Benzylic C–H Bonds with N-Fluorobenzenesulfonimide: Switch from C–N to C–F Bond Formation Promoted by a Redox Buffer and Brønsted Base. Org. Lett. 2020, 22, 5749-5752. DOI: 10.1021/acs.orglett.0c02239Suh, S.-E.; Chen, S.-J.; Mandal, M.; Guzei, I. A.; Cramer, C. J.; Stahl, S. S. Site-Selective Copper-Catalyzed Azidation of Benzylic C–H Bonds. J. Am. Chem. Soc. 2020, 142, 11388–11393. DOI: 10.1021/jacs.0c05362Wang, F.; Gerken, J. B.; Bates, D. M.; Kim, Y. J.; Stahl, S. S. Electrochemical Strategy for Hydrazine Synthesis: Development and Overpotential Analysis of Methods for Oxidative N–N Coupling of an Ammonia Surrogate. J. Am. Chem. Soc. 2020, 142, 12349–12356. DOI: 10.1021/jacs.0c04626.Gerken, J. B.; Anson, C. W.; Preger, Y.; Symons, P. G.; Genders, J. D.; Qiu, Y.; Li, W.; Root, T. W.; Stahl, S. S. Comparison of Quinone‐Based Catholytes for Aqueous Redox Flow Batteries and Demonstration of Long‐Term Stability with Tetrasubstituted Quinones. Adv. Energy Mater. 2020, 10, 2000340. doi: 10.1002/aenm.202000340Li, Y.; Karlen, S. D.; Demir, B.; Kim, H.; Luterbacher, J.; Dumesic, J. A.; Stahl, S. S.; Ralpha, J. Mechanistic Study of Diaryl Ether Bond Cleavage During Palladium-Catalyzed Lignin Hydrogenolysis. ChemSusChem 2020, 13, 4487 – 4494. doi: 10.1002/cssc.202000753Preger, Y.; Johnson, M. R.; Biswas, S.; Anson, C. W.; Root, T. W.; Stahl, S. S. Anthraquinone-Mediated Fuel Cell Anode with an Off-Electrode Heterogeneous Catalyst Accessing High Power Density when Paired with a Mediated Cathode. ACS Energy Lett. 2020, 5, 1407-1412. doi: 10.1021/acsenergylett.0c00631Anson, C. W.; Stahl, S. S. Mediated Fuel Cells: Soluble Redox Mediators and Their Applications to Electrochemical Reduction of O2 and Oxidation of H2, Alcohols, Biomass, and Complex Fuels. Chem. Rev. 2020, 120, 3749-3786. doi: 10.1021/acs.chemrev.9b00717.Salazar, C. A.; Gair, J. J.; Flesch, K. N.; Guzei, I. A.; Lewis, J. C.; Stahl, S. S. Catalytic Behavior of Mono-N-Protected Amino Acid Ligands in Ligand-Accelerated C-H Activation by Palladium(II). Angew. Chem. Int. Ed. 2020, 59, 10873-10877. doi: 10.1002/anie.202002484Konnick, M. M.; Knapp, S. M. M.; Stahl, S. S. Mechanism of the Reaction of an NHC-Coordinated Palladium(II)-Hydride with O2 in Acetonitrile. Polyhedron 2020, 182, 114501-114508. doi: 10.1016/j.poly.2020.114501Hu, H.; Chen, S.-J.; Mandal, M.; Praik, S. M.; Buss, J. A.; Krska, S. W.; Cramer, C. J.; Stahl, S. S. Copper-Catalyzed Benzylic C-H Coupling with Alcohols via Radical Relay Enabled by Redox Buffering. Nat. Catal. 2020, 3, 358-367. doi: 10.1038/s41929-020-0425-1.Wang, F.; Stahl, S. S. Electrochemical Oxidation of Organic Molecules at Lower Overpotential: Accessing Broader Functional Group Compatibility with Electron-Proton Transfer Mediators. Acc. Chem. Res. 2020, 53, 561-574. DOI: 10.1021/acs.accounts.9b00544Gerken, J. B.; Stamoulis, A. G.; Suh, S.-E.; Fischer, N. D.; Kim, Y.-J.; Guzei, I. A.; Stahl, S. S. Efficient Electrochemical Synthesis of Robust, Densely Functionalized Water Soluble Quinones. Chem. Commun. 2020, 56, 1199-1202. DOI: 10.1039/C9CC08878DRyan, M. C.; Kim, Y.-J.; Gerken, J. B.; Wang, F.; Aristov, M. M.; Martinelli, J. R.; Stahl, S. S. Mechanistic Insights into Copper-Catalyzed Aerobic Oxidative Coupling of N–N Bonds. Chem. Sci. 2020, 11, 1170-1175. DOI: 10.1039/C9SC04305EAnson, C. W.; Stahl, S. S. Processes for Electrochemical Production of Electrolyte-Free Hydrogen Peroxide. Joule 2019, 3, 2889-2891. DOI: 10.1016/j.joule.2019.11.017