Living on pyrrolic foundations–Advances in natural and artificial bioactive pyrrole derivatives

A Domagala, T Jarosz, M Lapkowski - European journal of medicinal …, 2015 - Elsevier
Pyrrole, a simple heterocyclic system, is an important building block for numerous
biologically active compounds both natural and synthetic in origin, which boast an immense …

Use of AlCl 3 in Friedel Crafts arylation type reactions and beyond: an overview on the development of unique methodologies leading to N-heteroarenes

R Sunke, SB Nallapati, JS Kumar, KS Kumar… - Organic & Biomolecular …, 2017 - pubs.rsc.org
As a privileged class of heterocyclic compounds N-heteroarenes have found enormous
applications in many areas including medicinal/pharmaceutical chemistry and drug …

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 …

[HTML][HTML] 2, 3-Dichloroquinoxaline as a versatile building block for heteroaromatic nucleophilic substitution: A review of the last decade

JM Neri, LN Cavalcanti, RM Araujo… - Arabian Journal of …, 2020 - Elsevier
Nucleophilic aromatic substitution (SNAr) is a class of reaction that has become very
important over time. This type of transformation usually proceeds without the use of metal …

Pd/C‐Catalyzed Synthesis of Isoquinolones through C H Activation

Z Shu, W Li, B Wang - ChemCatChem, 2015 - Wiley Online Library
The direct synthesis of isoquinolones from benzamides and alkynes through C H activation
was developed by using Pd/C as a heterogeneous catalyst without a ligand under mild …

Synthesis and computational evaluation of the antioxidant activity of pyrrolo [2, 3-b] quinoxaline derivatives

NT Nguyen, VV Dai, A Mechler, L Van Meervelt… - RSC …, 2024 - pubs.rsc.org
Pyrrolo [2, 3-b] quinoxaline derivatives are known to possess antioxidant, anticancer, and
antibacterial properties. Here we report the successful synthesis of five derivatives of 3 …

Transition metal free hydrolysis/cyclization strategy in a single pot: synthesis of fused furo N-heterocycles of pharmacological interest

A Nakhi, MS Rahman, GPK Seerapu… - Organic & …, 2013 - pubs.rsc.org
A transition metal free tandem two-step strategy has been developed involving hydrolysis of
2-chloro-3-alkynyl quinoxalines/pyrazines followed by in situ cyclization of the …

Regioselective synthesis of 2, 3-disubstituted 1-alkyl pyrrolo [2, 3-b] quinoxalines through palladium-catalyzed Heck reaction of chalcones and evaluation of their anti …

T Besharati-Seidani, A Keivanloo, B Kaboudin… - Tetrahedron, 2018 - Elsevier
The regioselective synthesis of 1-alkyl-2-aryl-3-acyl pyrrolo [2, 3-b] quinoxalines through
palladium-catalyzed Heck coupling reaction/heteroannulation was reported. The reaction of …

Ligand/PTC-free intramolecular Heck reaction: synthesis of pyrroloquinoxalines and their evaluation against PDE4/luciferase/oral cancer cell growth in vitro and …

PV Babu, S Mukherjee, GS Deora… - Organic & …, 2013 - pubs.rsc.org
A series of 1, 3-disubstituted pyrrolo [2, 3-b] quinoxalines has been designed for the
potential inhibition of PDE4 without inhibiting luciferase. A ligand/PTC (phase transfer …

Recent advances in transition metal-catalyzed reactions of chloroquinoxalines: Applications in bioorganic chemistry

GS Reddy, JS Kumar, B Thirupataiah, H Bhuktar… - Bioorganic …, 2022 - Elsevier
The importance of the quinoxaline framework is exemplified by its presence in the well-
known drugs such as varenicline, brimonidine, quinacillin, etc. In the past few years …