Recent advances in the synthesis and reactivity of quinoxaline

G Yashwantrao, S Saha - Organic Chemistry Frontiers, 2021 - pubs.rsc.org
Quinoxaline has become a subject of extensive research due to its emergence as an
important chemical moiety, demonstrating a wide range of physicochemical and biological …

Manganese‐Catalyzed Direct Olefination of Methyl‐Substituted Heteroarenes with Primary Alcohols

MK Barman, S Waiba, B Maji - Angewandte Chemie, 2018 - Wiley Online Library
Herein, we present the first catalytic direct olefination of methyl‐substituted heteroarenes
with primary alcohols through an acceptorless dehydrogenative coupling. The reaction is …

Visible‐Light‐Triggered, Metal‐ and Photocatalyst‐Free Acylation of N‐Heterocycles

L Guillemard, F Colobert… - Advanced Synthesis & …, 2018 - Wiley Online Library
A photoinduced acylation of N‐heterocycles is explored. This visible‐light triggered reaction
occurs not only under extremely mild reaction conditions, but also does not require the …

HAT‐Mediated Electrochemical Cross Dehydrogenative Coupling Reaction of Quinoxalin‐2(1H)‐ones with Ethers

H Li, C Qiang, Y Liao, Q Chu, P Liu… - Advanced Synthesis & …, 2023 - Wiley Online Library
Herein, a method about hydrogen atom transfer (HAT) mediated electrochemical cross
dehydrogenative coupling (CDC) reaction of heterocycles with ethers has been established …

Controllable activation of β-alkyl Nitroalkenes: regioselective synthesis of allyl and vinyl sulfones

Y Wang, G Xiong, C Zhang, Y Chen - The Journal of Organic …, 2021 - ACS Publications
The regiospecific radical reactions of β-alkyl nitroalkenes with sulfonyl hydrazides depended
to a great extent on the choice of a solvent and catalyst. In the presence of …

NaCl as Catalyst and Water as Solvent: Highly E-Selective Olefination of Methyl Substituted N-Heteroarenes with Benzyl Amines and Alcohols

S Hazra, V Tiwari, A Verma, P Dolui, AJ Elias - Organic Letters, 2020 - ACS Publications
Oxidative coupling of benzylamines and alcohols with methyl substituted N-heteroarenes
such as quinolines and quinoxalines has been achieved using chloride, a sea abundant …

A Four-Component Reaction for the Synthesis of β-Quinoline Allylic Sulfones under Iron Catalysis

F Xiao, C Liu, S Yuan, H Huang… - The Journal of Organic …, 2018 - ACS Publications
An efficient strategy for the preparation of allylic sulfones has been developed. In this
protocol, readily available 2-methylquinolines or 2-methylbenzothiazoles, sodium sulfinates …

Electrochemical Decarboxylative Minisci-Type Acylation of Quinoxalines under Catalyst-and External-Oxidant-Free Conditions

Y Li, S Liang, D Wang, K Xu, C Zeng - Synthesis, 2023 - thieme-connect.com
An electrochemical approach for the Minisci-type acylation of quinoxalines with α-keto acids
as the acyl radical precursors is reported. With the assistance of TFA as the key additive …

Decatungstate-photocatalyzed direct acylation of N-heterocycles with aldehydes

Z Zhang, F Cheng, X Ma, K Sun, X Huang, J An… - Green …, 2024 - pubs.rsc.org
A novel photocatalytic acylation strategy was developed harnessing tetrabutylammonium
decatungstate (TBADT) as a hydrogen atom transfer (HAT) photocatalyst to facilitate the …

Innovations in photocatalytic trifluoromethylation: Role of heterogeneous Bi4NbO8Cl in radical generation

C Wang, Y Li, K Sun, X Huang, X Chen, L Qu, B Yu - Journal of Catalysis, 2024 - Elsevier
Photocatalytic selective trifluoromethylation reactions have garnered significant attention,
particularly for their applications in pharmaceuticals, agrochemicals, and materials science …