Recent advances in radical-mediated intermolecular (4+ 2) cycloaddition

XE Cai, ZY Wang, WC Tian, H Liu, WT Wei… - Organic & Biomolecular …, 2023 - pubs.rsc.org
(4+ 2) Cycloaddition plays an important role in the synthesis of versatile carbocyclic/
heterocyclic compounds with its high atom-and step-economy. Additionally, with mild …

Photodecarboxylative C–H Alkylation of Azauracils with N-(Acyloxy)phthalimides

SP Panda, SK Hota, R Dash, L Roy, S Murarka - Organic Letters, 2023 - ACS Publications
We disclose a transition-metal-free NaI/PPh3-mediated direct C–H alkylation of azauracils
using N-(acyloxy) pthalimides (NHPIs) as readily available alkyl surrogates under visible …

A General Electron Donor–Acceptor Photoactivation Platform of Diaryliodonium Reagents: Arylation of Heterocycles

P Meher, SP Panda, SK Mahapatra… - Organic …, 2023 - ACS Publications
We report a photoredox system comprising sodium iodide, triphenyl phosphine, and N, N,
N′, N′-tetramethylethylenediamine (TMEDA) that can form a self-assembled tetrameric …

EDA Complex-Enabled Annulation to Access CF2-Containing Tetralones and Quinazolinones Using Persulfates as Electron Donors

SP Zhang, DW Guo, ML Yang, YT **a… - The Journal of Organic …, 2024 - ACS Publications
A photocatalyst-free and EDA complex-enabled radical cascade cyclization reaction of
inactive alkenes with bromodifluoroacetamides was reported for the divergent synthesis of …

Organophotoredox-Catalyzed Arylation and Aryl Sulfonylation of Morita–Baylis–Hillman Acetates with Diaryliodonium Reagents

S Senapati, SK Parida, SS Karandikar… - Organic Letters, 2023 - ACS Publications
We report an organophotoredox-catalyzed stereoselective allylic arylation of MBH acetates
with a palette of diaryliodonium triflates (DAIRs) to provide the corresponding trisubstituted …

Light‐Induced Domino and Multicomponent Reactions: How to Reach Molecular Complexity without a Catalyst

P Renzi, J Scarfiello, A Lanfranco… - European Journal of …, 2023 - Wiley Online Library
Achieving high molecular complexity can be not trivial, but the exploitation of domino
reactions provides an atom‐and step‐economical method to reach this target. Over the past …

Visible‐Light Induced C‐3 Carbamoylation of Quinoxalinones Assisted by EDA Complex

A Azim, T Mandal, V Vasudevan… - Advanced Synthesis …, 2024 - Wiley Online Library
A visible‐light‐promoted strategy for the decarboxylative C‐3 carbamoylation of
quinoxalinone scaffolds is developed. This approach initiates through the formation of an …

Electrochemical C–H Alkylation of Azauracils Using N-(Acyloxy)phthalimides

R Dash, SP Panda, KS Bhati, S Sharma… - Organic Letters, 2024 - ACS Publications
We present an electrochemical alkylation of azauracils using N-(acyloxy) phthalimides
(NHPI esters) as readily available alkyl radical progenitors under metal-and additive-free …

Metal- and Photocatalyst-Free, Visible-Light-Initiated C3 α-Aminomethylation of Quinoxalin-2(1H)-ones via Electron Donor–Acceptor Complexes

DA More, SR Shirsath… - The Journal of Organic …, 2023 - ACS Publications
We report a metal-and photocatalyst-free C3 α-aminomethylation of quinoxalin-2 (1 H)-ones
with N-alkyl-N-methylanilines. The reaction proceeds through the formation of a …

Visible light photoredox-catalyzed arylative cyclization to access benzimidazo [2, 1-a] isoquinolin-6 (5 H)-ones

P Meher, RK Samanta, S Manna… - Chemical …, 2023 - pubs.rsc.org
A photoredox-catalyzed arylative radical cascade involving N-acryloyl-2-
arylbenzoimidazoles and diaryliodonium triflates leading to the formation of a broad array of …