Recent advances in the transition metal catalyzed synthesis of quinoxalines: a review

VK Maikhuri, AK Prasad, A Jha… - New Journal of Chemistry, 2021 - pubs.rsc.org
Quinoxalines are a class of N-heterocycles which are present in a variety of natural and
synthetic compounds. They act as a versatile building block in synthesizing novel …

New achievements in the synthesis of pyrrolo[1,2-a]quinoxalines

AA Kalinin, LN Islamova, GM Fazleeva - Chemistry of Heterocyclic …, 2019 - Springer
This review article describes methods for the preparation of pyrrolo [1, 2-a] quinoxalines,
covering literature sources from the last 10 years. The attention was largely paid to new …

Direct Synthesis of Pyrrolo[1,2-α]quinoxalines via Iron-Catalyzed Transfer Hydrogenation between 1-(2-Nitrophenyl)pyrroles and Alcohols

S Chun, J Ahn, RR Putta, SB Lee, DC Oh… - The Journal of Organic …, 2020 - ACS Publications
Herein, we describe novel iron-catalyzed transfer hydrogenation between alcohols and 1-(2-
nitrophenyl) pyrroles for the synthesis of pyrrolo [1, 2-α] quinoxalines. The tricarbonyl (η4 …

Synthesis of 4-Aryl Pyrrolo[1,2-α]quinoxalines via Iron-Catalyzed Oxidative Coupling from an Unactivated Methyl Arene

J Ahn, SB Lee, I Song, S Chun, DC Oh… - The Journal of Organic …, 2021 - ACS Publications
Herein, we describe the direct synthesis of pyrrolo [1, 2-α] quinoxaline via oxidative coupling
between methyl arene and 1-(2-aminophenyl) pyrroles. Oxidation of the benzylic carbon of …

Efficient synthesis of pyrrolo [1, 2-α] quinoxalines mediated by ethyl 2-(4-nitrophenyl) azocarboxylate

DH Lee, GY Kim, J Kim - New Journal of Chemistry, 2023 - pubs.rsc.org
The synthesis of pyrrolo [1, 2-α] quinoxalines is of importance, because they possess a
variety of biological activities, and interesting fluorescence/photophysical properties …

[HTML][HTML] α-Hydroxy acid as an aldehyde surrogate: metal-free synthesis of pyrrolo [1, 2-a] quinoxalines, quinazolinones, and other N-heterocycles via decarboxylative …

M Viji, M Vishwanath, J Sim, Y Park, C Jung, S Lee… - RSC …, 2020 - pubs.rsc.org
A metal-free and efficient procedure for the synthesis of pyrrolo [1, 2-a] quinoxalines,
quinazolinones, and indolo [1, 2-a] quinoxaline has been developed. The key features of our …

[HTML][HTML] Crafting mono-and novel bis-methylated pyrroloquinoxaline derivatives from a shared precursor and its application in the total synthesis of marinoquinoline A

M Damai, N Guzzardi, V Lewis, ZX Rao, D Sykes… - RSC …, 2023 - pubs.rsc.org
The synthesis of mono-and novel bis-methylated pyrrolo [1, 2-a] quinoxalines through the
addition of unstable methyl radicals to aryl isocyanides is described contingent upon the …

A sonochemical approach to 4-substituted pyrrolo [1, 2-a] quinoxalines via Cu-catalyzed N-arylation followed by Wang resin/air promoted oxidative cyclization strategy

R Chemboli, BT Mandava, US Kodali, AK Taneja… - Tetrahedron …, 2024 - Elsevier
Abstract The 4-substituted pyrrolo [1, 2-a] quinoxaline framework was explored for the
identification of possible inhibitors of SIRT1. To access the target compounds a general and …

A direct entry to polycyclic quinoxaline derivatives via I 2-DMSO mediated oxidative decarboxylation of α-amino acids and the subsequent Pictet–Spengler cyclization …

SK Samanta, R Sarkar, U Sengupta, S Das… - Organic & …, 2022 - pubs.rsc.org
A facile and highly efficient iodine-promoted strategy has been delineated for the synthesis
of indolo and pyrrolo [1, 2-a] quinoxaline derivatives via an oxidative Pictet–Spengler type …

Acetic Acid Catalysed One-Pot Synthesis of Pyrrolo [1, 2-a] quinoxaline Derivatives

PNM Allan, MI Ostrowska, B Patel - Synlett, 2019 - thieme-connect.com
An efficient acetic acid catalysed reaction has been developed for the synthesis of 4-aryl
substituted pyrrolo [1, 2-a] quinoxalines from readily available starting materials. A range of …