Cited by Visible-Light-Induced Cascade Radical Cyclization to Access Sulfamoylated Benzo[4,5]imidazo[2,1-a]isoquinolin-6(5H)-ones

Building an All Carbon Quaternary Center via Redox-Neutral Geminal Dual C–H Functionalization of Oxindoles DOI

Priyankar Jha,

Saddam Husen,

Ravindra Kumar

et al.

Organic Letters, Journal Year: 2025, Volume and Issue: unknown

Published: Feb. 18, 2025

Reported here is a catalytic redox-neutral geminal dual C-H functionalization of oxindoles with two distinct aromatics using anilines. The reaction proceeded through pluripotent tetra-substituted alkene intermediate via an extended resonance stabilized carbocation. It furnished wide chemical space around the generation all carbon quaternary centers (>35 examples) in good to excellent yields. developed process highly regioselective and scalable, conditions are environmentally benign nature.

Language: Английский

Citations

Cascade C(sp3)-H Bond Functionalization/Cyclization Reaction for the Synthesis of 3,3-Disubstituted Oxindoles by Decatungstate Photocatalysis DOI

X.-N. Fang,

Jiaxing Lv,

Shuxin Yang

et al.

Tetrahedron, Journal Year: 2025, Volume and Issue: unknown, P. 134578 - 134578

Published: March 1, 2025

Language: Английский

Citations

Harnessing Visible/UV Light for the Activation and/or Functionalization of C−H Bonds: Metal‐ and Photocatalyst‐Free Approach DOI

Jitender Bariwal, Erik V. Van der Eycken

The Chemical Record, Journal Year: 2025, Volume and Issue: unknown

Published: March 12, 2025

Abstract Photosynthesis in plants has inspired photochemical reactions organic chemistry. Synthetic chemists always seek cost‐effective, operationally simple, averting the use of toxic and difficult‐to‐remove metallic catalysts, atom economical, high product purity reactions. In last few decades, light as a catalyst increased exponentially literature exploded with examples, particularly by using expensive metal complexes, photosensitizers like dyes, hypervalent iodine, or inorganic semiconductors. this report, we have selected interesting examples performed without any photosensitizers. These inherent potential reactants to utilize energy initiate chemical Our main emphasis is highlight structural features that can absorb form an electron donor‐acceptor (EDA) complex during reaction reaction. Considering degree variability reactions, utmost care been taken present most accurate conditions. A short introductory section on will act anchor revolve around discussed explain underlying principle mechanism.

Language: Английский

Citations

NHPI-Mediated FeTiO₃-Photocatalyzed Semiheterogeneous Decarboxylative Acylarylation of Acrylamides with α-Oxocarboxylic Acids under Nitrogen DOI

Zhilin Wu,

Juntao Liu,

Ri-Wei Zhou

et al.

The Journal of Organic Chemistry, Journal Year: 2024, Volume and Issue: 89(17), P. 12693 - 12700

Published: Aug. 26, 2024

FeTiO3 has emerged as an interesting semiconductor photocatalyst in organic synthesis. We herein describe a visible-light-induced semiheterogeneous strategy for the synthesis of 3-(2-oxoethyl)indolin-2-ones with moderate to good yields and functional group compatibility using recyclable NHPI redox catalyst.

Language: Английский

Citations

Visible-Light-Induced Cascade Radical Cyclization to Access Sulfamoylated Benzo[4,5]imidazo[2,1-a]isoquinolin-6(5H)-ones DOI

Rong Huang, Wenbo Wang, Kui Lu

et al.

Organic & Biomolecular Chemistry, Journal Year: 2024, Volume and Issue: unknown

Published: Dec. 3, 2024

A visible-light-induced cascade radical sulfamoylation/cyclization of 2-arylbenzoimidazoles to access sulfamoylated benzo[4,5]imidazo[2,1- a ]isoquinolin-6(5 H )-ones was achieved.

Language: Английский

Citations