A fruitful century for the scalable synthesis and reactions of biphenyl derivatives: applications and biological aspects

RSC Advances, Journal Year: 2023, Volume and Issue: 13(27), P. 18262 - 18305

Published: Jan. 1, 2023

This review provides recent developments in the current status and latest synthetic methodologies of biphenyl derivatives.

Language: Английский

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Properties, Synthesis, and Characterization of Cu-Based Nanomaterials

ACS symposium series, Journal Year: 2024, Volume and Issue: unknown, P. 1 - 33

Published: May 14, 2024

Copper-based nanomaterials offer a fascinating array of properties that make them pivotal in various technological applications. These materials, when scaled down to the nanoscale, exhibit enhanced electrical conductivity, surpassing their bulk counterparts. This book chapter primarily focuses on properties, synthesis, and characterization copper nanoparticles while also discussing metal oxide nanoparticles. Their large surface-to-volume ratios enable efficient electron transport, making valuable components electronics conductive inks for flexible devices. Furthermore, possess exceptional thermal crucial heat management advanced interface materials. Copper have positive economic environmental effects. catalytic render important diverse chemical reactions as energy storage systems like batteries supercapacitors. Additionally, tunability optical makes suitable photonic optoelectronic applications, ranging from sensors light-emitting The multifaceted copper-based continue drive innovation across broad spectrum industries.

Language: Английский

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Mechanochemical aerobic oxidative Heck coupling by polymer-assisted grinding: cyclodextrin additive facilitating regioselectivity control

Green Chemistry, Journal Year: 2024, Volume and Issue: 26(10), P. 5890 - 5899

Published: Jan. 1, 2024

A novel approach utilizing the polymer-assisted grinding (POLAG) technique to facilitate regioselective oxidative Heck coupling of aryl boronic acids with electronically unbiased olefins under solvent-free conditions was presented.

Language: Английский

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α-C–H functionalization of glycine derivatives under mechanochemical accelerated aging en route the synthesis of 1,4-dihydropyridines and α-substituted glycine esters

Green Chemistry, Journal Year: 2023, Volume and Issue: 25(7), P. 2853 - 2862

Published: Jan. 1, 2023

A novel accelerated aging cross dehydrogenative coupling of glycine esters/amides and various nucleophiles under metal-free solvent-minimal conditions was developed, providing a sustainable strategy to the synthesis 1,4-DHP α-substituted derivatives.

Language: Английский

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The literature of heterocyclic chemistry, part XXII, 2022

Advances in heterocyclic chemistry, Journal Year: 2025, Volume and Issue: unknown

Published: Jan. 1, 2025

Language: Английский

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Ethanol-assisted mechanochemical asymmetric cross-dehydrogenative coupling reaction with recoverable chiral amine/NaCl for accessing chiral α-alkyl α-glycine derivatives

Green Chemistry, Journal Year: 2024, Volume and Issue: 26(11), P. 6570 - 6577

Published: Jan. 1, 2024

Ethanol-assisted grinding effectively facilitated aerobic asymmetric cross-dehydrogenative coupling of glycine esters/amides with ketones/aldehydes, deploying reusable chiral amine/NaCl for rapid synthesis α-alkyl α-glycine derivatives.

Language: Английский

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Iron-catalyzed asymmetric Csp³–H/Csp³–H coupling: improving the chirality induction by mechanochemical liquid-assisted grinding

Organic Chemistry Frontiers, Journal Year: 2023, Volume and Issue: 11(1), P. 127 - 134

Published: Nov. 10, 2023

A mechanochemical iron-catalyzed asymmetric oxidative coupling between glycines and β-ketoesters has been disclosed, utilizing t -BuOH to improve the enantioselectivity stabilize iminium intermediate via intensified hydrogen bond interactions.

Language: Английский

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Copper-Based Nanomaterials in Coupling Reactions

ACS symposium series, Journal Year: 2024, Volume and Issue: unknown, P. 35 - 79

Published: May 14, 2024

This chapter reviews the historical development and recent advancements in copper-catalyzed coupling reactions, focusing on emerging field of nanostructured copper catalysts. We explore superior catalytic efficiency these nanostructures compared to traditional catalysts, attributing their enhanced performance size, shape, large surface area. Successful C–C, C–heteroatom bond-forming reactions is highlighted, accompanied by notable recyclability nanoparticles (CuNPs) without loss efficacy. While specific like Ullmann Sonogashira types have been extensively studied, gaps understanding persist, pointing untapped potential various reactions. The anticipates future developments highly efficient sustainable emphasizing ongoing interest green chemistry. Continued research into mechanisms encouraged unlock full copper-based nanomaterials

Language: Английский

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Nano Copper-Catalyzed Coupling Reactions

ACS symposium series, Journal Year: 2024, Volume and Issue: unknown, P. 231 - 256

Published: May 14, 2024

The appeal of nanotechnology in the field organic chemistry has recently revolutionized way we approach chemical transformations. Among many nanomaterials, copper-based nanomaterials have appeared as noteworthy catalysts with diverse applications synthesis. environmental and economic advantages nano-catalysts highlights their sustainability, cost-effectiveness, easy recyclability. This chapter delivers a brief overview on catalytic activities nanocatalysis various coupling reactions. Therefore, readers may gain insights into versatile efficient role copper C−C, C−N, C−O, C−S, C−P C−Se bond forming

Language: Английский

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Copper-Based Nanomaterials in the Synthesis of Heterocycles

ACS symposium series, Journal Year: 2024, Volume and Issue: unknown, P. 193 - 230

Published: May 14, 2024

Heterocycles are of considerable interest for the agrochemical, pharmaceutical and manufacturing sectors. Compounds containing these rings have valuable biological activity as well being important raw materials in production bulk fine chemicals. The use copper salts complexes catalysts synthesis compounds is established providing increased conversion efficiency regioselectivity. Enhanced enantioselectivity can also be achieved by using chiral auxiliaries ligands such catalysed reactions. Despite advantages there drawbacks to additional purification steps difficulties associated with stability, separation, recovery, re-use that limited their wide application industrial processes. As efforts explore both homogenous heterogenous nanomaterials alternative catalysts. Their smaller diameters provide greater surface area dispersivity some instances different properties than material. improvements shown date include lower catalyst loading, improved atom economy, better yields, shorter reaction times. This chapter presents results highlighting preparation representative three, five six-membered heterocyclic rings.

Language: Английский

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