1O2 and Base Assisted Oxidative Conversion of β-Enaminoesters to α-Acyloxy-β-ketoesters under Visible Light Irradiation DOI
Rohit Kumar,

Deepak,

Nidhi Jain

et al.

The Journal of Organic Chemistry, Journal Year: 2024, Volume and Issue: unknown

Published: Sept. 19, 2024

Singlet oxygen (

Language: Английский

Visible Light‐Enabled Decarboxylative Alkylation of Quinoxalin‐2(1H)‐ones using Alkyl Carboxylic Acids via Energy Transfer Process DOI
Anoop Sharma, Nihal Singh, Raman Kumar

et al.

Advanced Synthesis & Catalysis, Journal Year: 2024, Volume and Issue: 366(12), P. 2735 - 2741

Published: April 20, 2024

Abstract Here in, we describe the photochemical decarboxylative alkylation of quinoxalin‐2(1 H )‐ones using commercially accessible carboxylic acids with oxygen as sole oxidant through energy transfer process. The coupling diverse array alkyl (1° to 3°) and bioactive is successfully accomplished achieve desired alkylated products.

Language: Английский

Citations

4
Visible Light-Induced Sequential Nitrogen Insertion and Benzotriazolation of Quinoxaline-2(1H)-ones DOI

Shankhajit Mondal,

Akhilesh Narendra Malode,

Gokul S. Londhe

et al.

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

Published: Feb. 3, 2025

Herein, we report a visible light-mediated sequential reaction involving in situ generation of benzotriazole from benzene-1,2-diamine and tert-butyl nitrite via nitrogen insertion concomitant cross-coupling with quinoxaline-2(1H)-ones C-N bond formation one pot. This protocol uses metal-free mild conditions demonstrated 36 examples ≤80% yield wide functional group tolerance.

Language: Английский

Citations

0
B(C6F5)3/Chiral Phosphoric Acid Promoted Asymmetric C-3 gem-Difluoroalkylation of Quinoxalin-2-ones with Difluoroenoxysilanes DOI

Jia Li,

Ting Wang, Jingchao Chen

et al.

Organic Letters, Journal Year: 2024, Volume and Issue: 26(31), P. 6551 - 6555

Published: July 30, 2024

The asymmetric Mannich-type reaction of quinoxalin-2-ones with difluoroenoxysilanes has been developed for the synthesis chiral gem-difluoroalkylated quinoxalin-2-ones. worked in presence phosphoric acid CPA 1 and B(C6F5)3 THF at room temperature. exhibited a good substrate scope furnishing products yields (up to 97%) up 96% ee.

Language: Английский

Citations

3
1O2 mediated synthesis of carbonyl substituted quinoline-2,4(1H,3H)-diones in visible light: 4CzIPN as a reusable photocatalyst DOI

Harsha Harsha,

Rohit Kumar, Nidhi Jain

et al.

Chemical Communications, Journal Year: 2024, Volume and Issue: 60(43), P. 5646 - 5649

Published: Jan. 1, 2024

A mild and eco-friendly method for the construction of carbonyl-containing quinoline-2,4(1

Language: Английский

Citations

2
Recent advancements in visible-light-induced direct C(3)–H functionalization of quinoxalin-2(1H)-ones DOI Creative Commons

Xin Han,

Yifan Guo, Y. Hu

et al.

Green Synthesis and Catalysis, Journal Year: 2024, Volume and Issue: unknown

Published: Dec. 1, 2024

Language: Английский

Citations

1
Photooxidative Reaction of β-Oxoamides with Amines for the Synthesis of Pyrrolin-4-ones under External Photocatalyst-Free Conditions DOI
Aanuoluwapo O. Oyejobi, Jie Huang,

Yun-Xuan Luo

et al.

The Journal of Organic Chemistry, Journal Year: 2024, Volume and Issue: 89(14), P. 9972 - 9978

Published: July 2, 2024

The incorporation of oxygen atoms from air under aerobic conditions plays an important role in organic synthesis. Herein, Brønsted acids are found to be a two-in-one strategic catalyst transform enamines β-oxoamides and amines pyrrolin-4-ones without external photocatalyst visible-light conditions. acid can inhibit the C-C bond fragmentation [2 + 2] adduct enamine

Language: Английский

Citations

0
1O2 and Base Assisted Oxidative Conversion of β-Enaminoesters to α-Acyloxy-β-ketoesters under Visible Light Irradiation DOI
Rohit Kumar,

Deepak,

Nidhi Jain

et al.

The Journal of Organic Chemistry, Journal Year: 2024, Volume and Issue: unknown

Published: Sept. 19, 2024

Singlet oxygen (

Language: Английский

Citations

0