Recent advancements in applications of ionic liquids in synthetic construction of heterocyclic scaffolds: A spotlight

TM Dhameliya, PR Nagar, KA Bhakhar… - Journal of Molecular …, 2022 - Elsevier
Heterocycles constitute the integral part of the most of United States food and drug
administration (USFDA) approved drugs. Over the past decade, ionic liquids have emerged …

Therapeutic advancement of benzothiazole derivatives in the last decennial period

S Tariq, P Kamboj, M Amir - Archiv der Pharmazie, 2019 - Wiley Online Library
Benzothiazole, a fused heterocyclic moiety, has attracted synthetic and medicinal chemists
for good reasons. It is a valuable scaffold that possesses diverse biological activities, such …

Metal–organic framework MIL-101 (Cr) as an efficient heterogeneous catalyst for clean synthesis of benzoazoles

E Niknam, F Panahi, F Daneshgar, F Bahrami… - ACS …, 2018 - ACS Publications
A metal–organic framework [MIL-101 (Cr)] was used as an efficient heterogeneous catalyst
in the synthesis of benzoazoles (benzimidazole, benzothiazole, and benzoxazole), and …

Synthesis of benzoxazoles, benzimidazoles, and benzothiazoles using a Brønsted acidic ionic liquid gel as an efficient heterogeneous catalyst under a solvent-free …

TT Nguyen, XTT Nguyen, TLH Nguyen, PH Tran - ACS omega, 2019 - ACS Publications
Herein, we introduce a reusable Brønsted acidic ionic liquid gel (BAIL gel) obtained by
treating 1-methyl-3-(4-sulfobutyl)-1 H-imidazolium hydrogen sulfate with tetraethyl …

Synthesis of benz-fused azoles via C-heteroatom coupling reactions catalyzed by Cu (I) in the presence of glycosyltriazole ligands

N Mishra, AS Singh, AK Agrahari… - ACS Combinatorial …, 2019 - ACS Publications
Glycosyl triazoles are conveniently accessible and contain multiple metal-binding units that
may assist in metal-mediated catalysis. Azide derivatives of d-glucose have been converted …

Synthetic transformations and biological screening of benzoxazole derivatives: A review

R Sattar, R Mukhtar, M Atif… - Journal of Heterocyclic …, 2020 - Wiley Online Library
The presence of benzoxazole moiety in most of the heterocyclic compounds is well reported.
The present literature review mainly highlights the novel synthetic transformation and …

Camphor sulfonic acid catalyzed a simple, facile, and general method for the synthesis of 2-arylbenzothiazoles, 2-arylbenzimidazoles, and 3H-spiro[benzo[d]thiazole …

G Kaur, R Moudgil, M Shamim, VK Gupta… - Synthetic …, 2021 - Taylor & Francis
A simple, mild, eco-friendly, general, and convenient approach has been developed for the
synthesis of structurally diverse 2-arylbenzothiazole derivatives from the reactions of 2 …

Naturally available nitrogen-containing fused heterocyclics as prospective lead molecules in medicinal chemistry

N Bhardwaj, A Pathania… - Current Traditional …, 2021 - ingentaconnect.com
Heterocyclic compounds constitute one of the largest and most versatile families of organic
compounds. There are many heterocyclic compounds that are being isolated from natural …

A green approach for the synthesis of 2-substituted benzoxazoles and benzothiazoles via coupling/cyclization reactions

HT Nguyen, TH Nguyen, DD Pham, CT Nguyen… - Heliyon, 2021 - cell.com
We have developed the green method for the synthesis of benzoxazoles and
benzothiazoles with moderate to good yields using imidazolium chlorozincate (II) ionic liquid …

A new superacid hafnium-based metal–organic framework as a highly active heterogeneous catalyst for the synthesis of benzoxazoles under solvent-free conditions

LHT Nguyen, HL Nguyen, TLH Doan… - Catalysis Science & …, 2017 - pubs.rsc.org
A new crystalline porous superacid material was prepared by sulfation of a Hf-MOF
constructed from a 6-connected Hf node and 1, 3, 5-benzenetricarboxylate. The new …