Homologation of Ketones: Direct Transformation of Alkyl Ketones to Aryl Ketones via Photoredox Catalyzed Deacylation-Aroylation Sequence

T Wang, Z Zhang, F Gao, X Yan - Organic Letters, 2024 - ACS Publications
Ketones, as essential functional group skeletons, have garnered significant interest due to
their diverse transformations. Herein, we describe a versatile photoredox catalyzed …

Crystalline Radical Anion of a Diboratriazole and Its Conversion to a Neutral Radical Driven by a Carbene

L Zhu, Z Feng, R Kinjo - Journal of the American Chemical Society, 2024 - ACS Publications
One-electron reduction of diboratriazole 1 with potassium graphite (KC8) generates the
radical anion 1•–• K+, which undergoes a salt (KCl) elimination reaction upon addition of an …

Phosphonylacylation of Alkenes Enabled by Visible-Light-Induced N-Heterocyclic Carbene Catalysis

ML Jin, YX Dong, ZH Gao, S Ye - Organic Letters, 2024 - ACS Publications
Herein, we report the phosphonylacylation of alkenes via visible-light-induced N-
heterocyclic carbene (NHC) catalysis to afford a series of γ-ketophosphonates in moderate …

N-Heterocyclic Carbene Catalysis for Polycyclic Benzazepines Assembly: Regioselective Intramolecular Tandem Radical Cyclization

Z Feng, L Wu, CY Zhou, C Wang - Organic Letters, 2024 - ACS Publications
N-Heterocyclic Carbene Catalysis for Polycyclic Benzazepines Assembly: Regioselective
Intramolecular Tandem Radical Cyclization | Organic Letters Recently Viewedclose modal …

Singly and doubly oxidized carbenes and their applications in catalysis

AK Day, M Abdellaoui, M Soleilhavoup, G Bertrand - Chem Catalysis, 2024 - cell.com
Over the last three decades, the highly tunable properties of N-heterocyclic carbenes
(NHCs) and other stable singlet carbenes have led to a variety of applications. This …

Transition-metal-free tandem cyclization by radical NHC catalysis: Rapid access to indolo [2, 1‑a] isoquinolines

S Wang, C Wang - Tetrahedron Letters, 2024 - Elsevier
A diverse array of functionalized indolo [2, 1-a] isoquinolines are constructed through an
NHC-catalyzed transition-metal-, and oxidant-free radical tandem cyclization from readily …

[HTML][HTML] Photoredox decarboxylative acylation of carboxylic acid by 4-acyl-1, 2, 3-triazoliums

Z Zhang, S Huang, F Gao, G Lu, X Yan - Green Synthesis and Catalysis, 2024 - Elsevier
Recent advancements in NHC-based radical coupling reactions have introduced NHC-
derived ketyl radicals as innovative persistent radicals. However, current work involves NHC …

Isolated Carbon (I) Species Featuring a Carbone Cation Radical

TG Ong, YC Chan, HX Xiao, L Qin, JSS Shen, CR Yang… - 2024 - researchsquare.com
Carbynes, characterized by radical and carbene attributes, possess three non-bonding
electrons and have garnered significant scientific interest. The high reactivity and complex …

Photocatalyst-Free Catalytic Single-Electron Reduction by 1H-1, 2, 3-Triazol-5-ylidenes

B List, LM Debie - Synfacts, 2024 - thieme-connect.com
Significance: Melaimi, Bertrand and coworkers report a photocatalyst-free reduction of
anthraquinone using 1H-1, 2, 3-Triazol-5-ylidenes as catalytic organic single-electron …