Nucleophilic aromatic substitution of halobenzenes and phenols with catalysis by arenophilic π acids

K Chen, H Shi - Accounts of Chemical Research, 2024 - ACS Publications
Conspectus Lewis π acids, particularly high-valent transition metals with vacant orbitals, can
coordinate with unsaturated compounds such as alkynes and alkenes by means of π …

Radical Polarity

JJA Garwood, AD Chen, DA Nagib - Journal of the American …, 2024 - ACS Publications
The polarity of a radical intermediate profoundly impacts its reactivity and selectivity. To
quantify this influence and predict its effects, the electrophilicity/nucleophilicity of> 500 …

Selective elimination of sulfonamide antibiotics upon periodate/catechol process: Dominance of quinone intermediates

S Yang, Y Shi, X Wang, Y Liu, Y Ren, W Li, H Zhang… - Water Research, 2023 - Elsevier
Natural organic matter, specifically ortho-quinones organics among them, was considered
can participate in the transformation of sulfonamide antibiotics (SAs). Herein, based on …

The Photoredox Paradox: Electron and Hole Upconversion as the Hidden Secrets of Photoredox Catalysis

IV Alabugin, P Eckhardt, KM Christopher… - Journal of the …, 2024 - ACS Publications
Although photoredox catalysis is complex from a mechanistic point of view, it is also often
surprisingly efficient. In fact, the quantum efficiency of a puzzlingly large portion of …

Ligand-Oxidation-Based Anodic Synthesis of Oriented Films of Conductive M-Catecholate Metal–Organic Frameworks with Controllable Thickness

M Song, J Jia, P Li, J Peng, X Pang, M Qi… - Journal of the …, 2023 - ACS Publications
Effective control over the crystallization of metal–organic framework (MOF) films is of great
importance not only for the performance study and optimization in related applications but …

Amination of Phenols and Halophenols via Pyridinium–Iridium Dual Photocatalysis

MC Carson, CR Liu, Y Liu, MC Kozlowski - ACS Catalysis, 2024 - ACS Publications
In this study, we present a photochemical method for the amination of phenols (C–H) and
halophenols (SNAr), facilitated by dual catalytic pathways involving both Ir (III) …

Catalytic SNAr Hexafluoroisopropoxylation of Aryl Chlorides and Bromides

J Su, K Chen, QK Kang, H Shi - Angewandte Chemie, 2023 - Wiley Online Library
Fluoroalkyl aryl ethers are valuable structural motifs in pharmaceuticals because
compounds with these motifs are more metabolically stable and more lipophilic than their …

Synthesis of Phenol–Pyridinium Salts Enabled by Tandem Electron Donor–Acceptor Complexation and Iridium Photocatalysis

MC Carson, CR Liu, MC Kozlowski - The Journal of Organic …, 2024 - ACS Publications
Herein, we describe a dual photocatalytic system to synthesize phenol–pyridinium salts
using visible light. Utilizing both electron donor–acceptor (EDA) complex and iridium (III) …

Photouranium-Catalyzed C–F Activation Hydroxylation via Water Splitting

X Zhao, L Bai, J Li, X Jiang - Journal of the American Chemical …, 2024 - ACS Publications
The C–F bond is the strongest covalent single bond (126 kcal/mol) in carbon-centered
bonds, in which the highest electronegativity of fluorine (χ= 4) gives rise to the shortest bond …

Universal inter-molecular radical transfer reactions on metal surfaces

J Wang, K Niu, H Zhu, C Xu, C Deng, W Zhao… - Nature …, 2024 - nature.com
On-surface synthesis provides tools to prepare low-dimensional supramolecular structures.
Traditionally, reactive radicals are a class of single-electron species, serving as exceptional …