Visible-light induced direct C (sp3)-H functionalization: recent advances and future prospects

JL Tu, Y Zhu, P Li, B Huang - Organic Chemistry Frontiers, 2024 - pubs.rsc.org
The direct activation of inert saturated C–H bonds for selective functionalization has long
been a significant challenge in organic synthesis. The past few decades have witnessed the …

Photoinduced cerium-catalyzed C–H acylation of unactivated alkanes

J Cao, JL Zhu, KA Scheidt - Chemical Science, 2024 - pubs.rsc.org
Ketones are ubiquitous motifs in the realm of pharmaceuticals and natural products.
Traditional approaches to accessing these species involve the addition of metal reagents to …

Paired electrolysis enables weak Brønsted base-promoted amination of arenes with N, N-dialkyl formamides as the amine source

XX Ye, M Liu, SY Wang, JM Zheng, YF Li… - Organic Chemistry …, 2024 - pubs.rsc.org
Herein, a paired oxidative and reductive electrolysis enabled weak Brønsted base-promoted
amination of arenes with N, N-dialkyl formamides as the amine source is described. The …

Radical C‐Glycosylation Using Photoexcitable Unprotected Glycosyl Borate

Y Miyamoto, S Murakami, Y Sumida… - … A European Journal, 2024 - Wiley Online Library
We have developed radical C‐glycosylation using photoexcitable unprotected glycosyl
borate. The direct excitation of glycosyl borate under visible light irradiation enabled the …

α-C(sp3)–H (Hetero)Arylation of Thioethers Enabled by Photoexcited Triplet Ketone Catalysis

A Bisoyi, AR Tripathy, A Behera… - The Journal of Organic …, 2024 - ACS Publications
We report herein α-C (sp3)–H (hetero) arylation of thioethers enabled by dual nickel and
photoexcited triplet ketone catalysis. The mild reaction conditions of this protocol tolerate a …

Photo‐Catalyzed Acyl Azolium Promoted Selective α‐C(sp3)−H Acylation of Acetone via HAT: Access to Thermodynamically Less Favoured (Z)‐α,β‐Unsaturated …

C Sivaraj, D Maiti, T Gandhi - Chemistry–A European Journal, 2024 - Wiley Online Library
Mono α‐acylation of acetone has been achieved for the first time by reacting with bench‐
stable acyl azolium salts under violet‐LED light at room temperature. The intermolecular …

Dual N-Heterocyclic Carbene/Photoredox-Catalyzed Coupling of Acyl Fluorides and Alkyl Silanes

M Jakob, L Steiner, M Göbel, JP Götze… - ACS …, 2024 - ACS Publications
The combination of N-heterocyclic carbene (NHC) organocatalysis with photochemical
activation is becoming increasingly established as an approach for conducting radical …

Radical Reactions with N-Heterocyclic Carbene (NHC)-Derived Acyl Azoliums for Access to Multifunctionalized Ketones

H Cai, X Yang, SC Ren, YR Chi - ACS Catalysis, 2024 - ACS Publications
As one of the most important key intermediates, NHC-bound acylazolium-based ionic
transformations have been intensively explored in the past two decades. With the …

Facile Cleavage of Activated Ketones: An Access to Thioethers via In Situ Generation of Anhydrides by Pummerer-Type Rearrangement

C Sivaraj, K Muthuvel, AT Udayan… - The Journal of …, 2024 - ACS Publications
Herein, we report an oxygen insertion in activated ketones from simple inorganic carbonates
for the synthesis of symmetric aromatic anhydrides. For the first time, Li2CO3 acts as an …

Photoredox-Catalyzed Radical–Radical Coupling of Potassium Trifluoroborates with Acyl Azoliums

MJ Rourke, MJ McGill, D Yang, EJ Farnam, JL Zhu… - Synlett, 2023 - thieme-connect.com
Potassium trifluoroborates have gained significant utility as coupling partners in organic
synthesis, particularly in the Suzuki–Miyaura coupling reaction. Recently, they have also …