Publications by authors named "Robert Knowles"

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Correction to "[2 + 2] Photocycloadditions of Conformationally Constrained Styrenes Enabled by Triplet Lifetime Extension".
Christina Cong, Nicholas J Fastuca, Alberto Castanedo, Peter R Meinig, Bradford C Woodger, Robert R Knowles

J Org Chem· August 2025

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A Crowdsourced Megastudy of 12 Digital Single-Session Interventions for Depression in American Adults.
Benjamin Kaveladze, Jan Voelkel, Michael Stagnaro, Mingjing Huang, Amanda Smock, Robert Knowles

Res Sq· August 2025

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Light-Driven C(sp)-C(sp) Bond Functionalizations Enabled by the PCET Activation of Alcohol O-H Bonds.
Danny Q Thach, Robert R Knowles

Acc Chem Res· July 2025

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Light-Driven Crystallization-Induced Dynamic Resolution of Amines.
Jonathan M Meinhardt, Diane D Kim, Emily J Wu, Philip R D Murray, Daniel P Walker, Robert R Knowles

J Am Chem Soc· July 2025

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[2 + 2] Photocycloadditions of Conformationally Constrained Styrenes Enabled by Triplet Lifetime Extension.
Christina Cong, Nicholas J Fastuca, Alberto Castanedo, Peter R Meinig, Bradford C Woodger, Robert R Knowles

J Org Chem· June 2025

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Iridium Polypyridyl Carboxylates as Excited-State PCET Catalysts for the Functionalization of Unactivated C-H Bonds.
Diego A Granados, Y Emily Du, Shiloh J Andersson, Avery Cirincione-Lynch, Kai Cui, Robert R Knowles

J Am Chem Soc· June 2025

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Ring Expansions of 1,2-Amino Alcohols to Amine Heterocycles Enabled by Proton-Coupled Electron Transfer.
Danny Q Thach, Robert R Knowles

J Am Chem Soc· June 2025

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Quantitative Determination of Electronic Effects in Free Radicals through Open-Shell Hammett Substituent Constants.
Eve Yuanwei Xu, Alberto Castanedo, Nick Y Shin, Lakshmy Kannadi Valloli, David C Grills, Robert R Knowles

J Am Chem Soc· June 2025

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Photocatalyst-Dependent Enantioselectivity in the Light-Driven Deracemization of Cyclic α-Aryl Ketones.
Justin Y Wang, Eris Villalona, Robert R Knowles

J Am Chem Soc· May 2025

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Enantioselective Hydrodifluoroalkylation of Alkenes with Conformationally Tuned Peptidyl Hydrogen Atom Transfer Catalysts.
Marcus Vinicius Pinto Pereira Junior, Eric P Geunes, Huiling Shao, Yiran Zhang, Jinkai Cheng, Robert R Knowles

J Am Chem Soc· April 2025

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Electrostatic Work Causes Unexpected Reactivity in Ionic Photoredox Catalysts in Low Dielectric Constant Solvents.
Justin L Ratkovec, Justin D Earley, Max Kudisch, William P Kopcha, Eve Yuanwei Xu, Robert R Knowles

J Phys Chem B· April 2025

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Photoredox-Catalyzed Nucleophilic Aromatic Substitution of Halophenols with Azoles via Oligomeric Phenylene Oxide Radicals.
Jan Seliger, Lydia R Fries, Jonathan M Meinhardt, Robert R Knowles

J Am Chem Soc· March 2025

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Stereoselective Synthesis of Highly Functionalized Bicyclo[2.1.0]pentanes by Sequential [2 + 1] and [2 + 2] Cycloadditions.
Brockton Keen, Christina Cong, Alberto Castanedo, Geraint H M Davies, Robert R Knowles

Org Lett· February 2025

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Intermolecular Anti-Markovnikov Hydroamination of Alkenes with Sulfonamides, Sulfamides, and Sulfamates.
Angela Lin, Mathis J Karrasch, Qiaolin Yan, Jacob M Ganley, Benjamin G Hejna, Robert R Knowles

ACS Catal· September 2024

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Organic Synthesis Away from Equilibrium: Contrathermodynamic Transformations Enabled by Excited-State Electron Transfer.
Angela Lin, Sumin Lee, Robert R Knowles

Acc Chem Res· July 2024

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Cooperative Phosphine-Photoredox Catalysis Enables N-H Activation of Azoles for Intermolecular Olefin Hydroamination.
Kassandra Sedillo, Flora Fan, Robert R Knowles, Abigail G Doyle

J Am Chem Soc· July 2024

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Diamond surface functionalization via visible light-driven C-H activation for nanoscale quantum sensing.
Lila V H Rodgers, Suong T Nguyen, James H Cox, Kalliope Zervas, Zhiyang Yuan, Robert R Knowles

Proc Natl Acad Sci U S A· March 2024

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Organobismuth Compounds as Aryl Radical Precursors via Light-Driven Single-Electron Transfer.
Nicholas D Chiappini, Eric P Geunes, Ethan T Bodak, Robert R Knowles

ACS Catal· February 2024

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Correction to "Radicals as Exceptional Electron-Withdrawing Groups: Nucleophilic Aromatic Substitution of Halophenols Via Homolysis-Enabled Electronic Activation".
Nick Y Shin, Elaine Tsui, Adam Reinhold, Gregory D Scholes, Matthew J Bird, Robert R Knowles

J Am Chem Soc· January 2024

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Photocatalytic Anti-Markovnikov Hydroamination of Alkenes with Primary Heteroaryl Amines.
Eric P Geunes, Jonathan M Meinhardt, Emily J Wu, Robert R Knowles

J Am Chem Soc· October 2023

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Catalytic Asymmetric Hydrogen Atom Transfer: Enantioselective Hydroamination of Alkenes.
Benjamin G Hejna, Jacob M Ganley, Huiling Shao, Haowen Tian, Jonathan D Ellefsen, Robert R Knowles

J Am Chem Soc· July 2023

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Singly Reduced Iridium Chromophores: Synthesis, Characterization, and Photochemistry.
Yunjung Baek, Adam Reinhold, Lei Tian, Philip D Jeffrey, Gregory D Scholes, Robert R Knowles

J Am Chem Soc· June 2023

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Chemical Recycling of Thiol Epoxy Thermosets via Light-Driven C-C Bond Cleavage.
Suong T Nguyen, Lydia R Fries, James H Cox, Yuting Ma, Brett P Fors, Robert R Knowles

J Am Chem Soc· May 2023

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Isotopic Fractionation as a Mechanistic Probe in Light-Driven C-H Bond Exchange Reactions.
Guanqi Qiu, Chi-Li Ni, Robert R Knowles

J Am Chem Soc· May 2023

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Radicals as Exceptional Electron-Withdrawing Groups: Nucleophilic Aromatic Substitution of Halophenols Via Homolysis-Enabled Electronic Activation.
Nick Y Shin, Elaine Tsui, Adam Reinhold, Gregory D Scholes, Matthew J Bird, Robert R Knowles

J Am Chem Soc· November 2022

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