Recent progress in biphasic catalytic systems using ionic liquids DOI Creative Commons
Etty Nurlia Kusumawati, Masayuki Shirai

Current Opinion in Green and Sustainable Chemistry, Journal Year: 2022, Volume and Issue: 35, P. 100613 - 100613

Published: March 19, 2022

Language: Английский

Replacement strategies for non-green dipolar aprotic solvents DOI
Feng Gao, Rongxian Bai, Francesco Ferlin

et al.

Green Chemistry, Journal Year: 2020, Volume and Issue: 22(19), P. 6240 - 6257

Published: Jan. 1, 2020

Despite their wide use in many fields, common dipolar aprotic solvents are urged to be replaced because of detrimental effects on health and environment. Therefore, green replacement strategies synthesis have been summarized.

Language: Английский

Citations

159
Recent advancements in applications of ionic liquids in synthetic construction of heterocyclic scaffolds: A spotlight DOI
Tejas M. Dhameliya, Prinsa R. Nagar,

Kaushikkumar A. Bhakhar

et al.

Journal of Molecular Liquids, Journal Year: 2021, Volume and Issue: 348, P. 118329 - 118329

Published: Dec. 22, 2021

Language: Английский

Citations

45
Update on novel synthetic approaches towards the construction of carbazole nuclei: a review DOI Creative Commons
Saba Munawar, Ameer Fawad Zahoor, Asim Mansha

et al.

RSC Advances, Journal Year: 2024, Volume and Issue: 14(5), P. 2929 - 2946

Published: Jan. 1, 2024

The carbazole scaffold is a significant entity in organic compounds due to its variety of biological and synthetic applications. Traditionally, skeletons have been synthesized either via the Grabe-Ullman method, Clemo-Perkin method or Tauber method. With passage time, these methods modified explored accomplish synthesis target compounds. These include hydroarylations, C-H activations, annulations cyclization reactions mediated by catalysts construct carbazole-based This brief review article intends provide recent updates on important methodological developments reported for nuclei covering 2019-2023.

Language: Английский

Citations

8
Pyridine-2-carboxylic acid as an effectual catalyst for rapid multi-component synthesis of pyrazolo[3,4-b]quinolinones DOI Creative Commons
Mayank G. Sharma, Ruturajsinh M. Vala,

Hitendra M. Patel

et al.

RSC Advances, Journal Year: 2020, Volume and Issue: 10(58), P. 35499 - 35504

Published: Jan. 1, 2020

Green synthesis of pyrazolo[3,4-b]quinolinones was designed using bioproduct pyridine-2-carboxylic acid (P2CA) as a green and efficient catalyst.

Language: Английский

Citations

36
Pvp-based deep eutectic solvent polymer: Sustainable Brønsted-Lewis acidic catalyst in the synthesis of α-aminophosphonate and bisindole DOI
Mehran Shahiri‐Haghayegh, Najmedin Azizi,

Soulmaz Seyyed Shahabi

et al.

Journal of Molecular Liquids, Journal Year: 2023, Volume and Issue: 387, P. 122677 - 122677

Published: July 25, 2023

Language: Английский

Citations

11
Aryl glyoxal: a prime synthetic equivalent for multicomponent reactions in the designing of oxygen heterocycles DOI Creative Commons
Abdur Rehman Sheikh, Anam Arif, Md. Musawwer Khan

et al.

RSC Advances, Journal Year: 2025, Volume and Issue: 15(17), P. 13235 - 13271

Published: Jan. 1, 2025

The category of bifunctional building blocks overrides many others because their fascinating wide applicability in synthetic chemistry. Aryl glyoxal is one the key molecules used extensively heterocyclic chemistry to afford nearly all types five- and six-membered heterocycles, which are structural constituents natural products. multicomponent reaction a practical strategy utilize this wonderful moiety with different starting materials obtain numerous diverse oxygen heterocycles. This review covers advancement aryl as prime equivalent recent years for synthesis

Language: Английский

Citations

0
Impact of an aryl bulky group on a one-pot reaction of aldehyde with malononitrile and N-substituted 2-cyanoacetamide DOI Creative Commons
Ruturajsinh M. Vala,

Divyang M. Patel,

Mayank G. Sharma

et al.

RSC Advances, Journal Year: 2019, Volume and Issue: 9(49), P. 28886 - 28893

Published: Jan. 1, 2019

Impact of aryl bulky group on the one-pot reaction aldehyde with malononitrile and N-substituted 2-cyanoacetamide is examined in presence piperidinium acetate as reusable catalyst.

Language: Английский

Citations

28
Sulfenylation of Arenes with Ethyl Arylsulfinates in Water DOI Creative Commons

Yueting Wei,

Jing He, Yali Liu

et al.

ACS Omega, Journal Year: 2020, Volume and Issue: 5(29), P. 18515 - 18526

Published: July 13, 2020

A tetrabutylammonium iodide-mediated direct sulfenylation of arenes with ethyl arylsulfinates in water was developed. Various electron-rich and were investigated the reaction, a series aryl sulfides obtained excellent yields. The advantages this green protocol simple reaction conditions (metal-free, as solvent, under air), odorless easily available sulfur reagent, broad substrate scope, gram-scale synthesis. Moreover, potential application exemplified by further transformations.

Language: Английский

Citations

25
Oxidative NHC catalysis for base-free synthesis of benzoxazinones and benzoazoles by thermal activated NHCs precursor ionic liquid catalyst using air as oxidant DOI

Youkang Zhou,

Wei Liu, Yuchen Liu

et al.

Molecular Catalysis, Journal Year: 2020, Volume and Issue: 492, P. 111013 - 111013

Published: May 24, 2020

Language: Английский

Citations

22
I2/DMSO-Catalyzed Transformation of N-tosylhydrazones to 1,2,3-thiadiazoles DOI Creative Commons
Weiwei Li, Jun Zhang, Jing He

et al.

Frontiers in Chemistry, Journal Year: 2020, Volume and Issue: 8

Published: June 12, 2020

An iodine/DMSO catalyzed selective cyclization of N-tosylhydrazones with sulfur without adding external oxidant was developed for the synthesis 4-aryl-1,2,3-thiadiazoles. In this reaction, oxidation HI by using DMSO as dual and solvent is key, which allowed regeneration I2, ensuring thus success synthesis. This protocol features simple operation, high step-economy (one-pot fashion), broad substrate scope well scale-up ability.

Language: Английский

Citations

22