Exploring amine-rich supramolecular silver(<scp>i</scp>) metallogels for autonomous self-healing and as catalysts for a three component coupling reaction

Saha, Ekata; Rahaman, Ajijur; Bhadra, Sukalyan; Mitra, Joyee

doi:10.1039/d3dt01654d

Dalton Trans.

2023

DOI: 10.1039/d3dt01654d

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Exploring amine-rich supramolecular silver(i) metallogels for autonomous self-healing and as catalysts for a three component coupling reaction

Ekata Saha,

Ajijur Rahaman,

Sukalyan Bhadra

et al.

Abstract: A series of Ag(I) supramolecular organo-aqueous gels have been synthesized in presence of an amine-rich triazole ligand as the gelator. Judicious choice of the triazole derivative and counter anion allows...

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Cited by 3 publications

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Zn(II)-based mechanically flexible metallosupramolecular network: Investigating rheology, morphology, anti-bacterial effect and semiconducting device performances

Pal,

Ghosh,

Sadhu

et al. 2025

Inorganica Chimica Acta

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Zn(II)-based mechanically flexible metallosupramolecular network: Investigating rheology, morphology, anti-bacterial effect and semiconducting device performances

Pal,

Ghosh,

Sadhu

et al. 2025

Inorganica Chimica Acta

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Copper-Catalyzed Multicomponent Coupling Reaction of Primary Aromatic Amines, Rongalite, and Alkynes: Access to N-Aryl Propargylamines

Wang,

Ren,

Zhang

et al. 2024

J. Org. Chem.

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In this work, a practical copper-catalyzed multicomponent coupling reaction of primary aromatic amines, rongalite, and alkynes for the direct synthesis of N-aryl propargylamines has been developed. This method could overcome the substrate limitation in A 3 coupling reactions of primary aromatic amines, formaldehyde, and alkynes. Mechanistic studies revealed that rongalite acts as not only the active C1 unit but also the accelerator to activate the in situ-generated N-arylmethanimines for the coupling reaction with alkynes. This coupling reaction is highly efficient and features a broad substrate scope, as well as utility with scale-up synthesis and converting the corresponding product N-aryl propargylamines into useful heterocyclic skeletons.

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Silver Nanoparticle-Embedded Iron-Mediated Gel Matrix: Active Catalyst for CO₂ Fixation and A³ Coupling

Mondal,

Patra,

Ray

et al. 2024

ACS Appl. Nano Mater.

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Utilizing carbon dioxide (CO 2 ) as a primary C1 source and transforming it into valuable compounds offer a viable approach to tackle energy and environmental concerns. The incorporation of metal nanoparticles into template frameworks to create catalytic hybrid materials provides an ideal and promising approach for integrated CO 2 capture and conversion. Anchoring highly dispersed silver nanoparticles (AgNPs) on functional coordination polymer gels (CPGs) to create efficient heterogeneous catalysts for the carboxylative cyclization of propargyl alcohols with CO 2 is a fascinating but challenging prospect. Herein, a straightforward in situ reduction method is demonstrated to anchor well-dispersed AgNPs into triazine-based CPG (Fe_MG) scaffolds. A nitrogen-rich triazine moiety actively helps in nucleation and growth of Ag nanoparticles within the CPG network. Catalytic studies showed that the presence of Ag@Fe_MG allowed an excellent conversion (∼99%) of 2-methylbut-3-yn-2-ol to the corresponding alkylene cyclic carbonate within 24 h at room temperature. The as-synthesized catalyst not only aids in CO 2 chemical fixation but also facilitates a three-component coupling reaction that uses an aldehyde, a terminal alkyne, and a secondary amine to produce propargyl amines. The impressive functional group tolerance of different substrate scopes and reusability, as well as maintaining its activity without any significant decrease during cycles, dictate the efficiency of the Ag@Fe_MG catalyst. Therefore, our study demonstrates a judicious selection of templates to fabricate hybrid composites with silver nanoparticles, which serve as efficient heterogeneous catalysts for CO 2 fixation and multicomponent coupling reactions.

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Exploring amine-rich supramolecular silver(i) metallogels for autonomous self-healing and as catalysts for a three component coupling reaction

Abstract: A series of Ag(I) supramolecular organo-aqueous gels have been synthesized in presence of an amine-rich triazole ligand as the gelator. Judicious choice of the triazole derivative and counter anion allows...

Cited by 3 publications

References 48 publications

Zn(II)-based mechanically flexible metallosupramolecular network: Investigating rheology, morphology, anti-bacterial effect and semiconducting device performances

Zn(II)-based mechanically flexible metallosupramolecular network: Investigating rheology, morphology, anti-bacterial effect and semiconducting device performances

Copper-Catalyzed Multicomponent Coupling Reaction of Primary Aromatic Amines, Rongalite, and Alkynes: Access to N-Aryl Propargylamines

Silver Nanoparticle-Embedded Iron-Mediated Gel Matrix: Active Catalyst for CO₂ Fixation and A³ Coupling

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Exploring amine-rich supramolecular silver(i) metallogels for autonomous self-healing and as catalysts for a three component coupling reaction

Abstract: A series of Ag(I) supramolecular organo-aqueous gels have been synthesized in presence of an amine-rich triazole ligand as the gelator. Judicious choice of the triazole derivative and counter anion allows...

Cited by 3 publications

References 48 publications

Zn(II)-based mechanically flexible metallosupramolecular network: Investigating rheology, morphology, anti-bacterial effect and semiconducting device performances

Zn(II)-based mechanically flexible metallosupramolecular network: Investigating rheology, morphology, anti-bacterial effect and semiconducting device performances

Copper-Catalyzed Multicomponent Coupling Reaction of Primary Aromatic Amines, Rongalite, and Alkynes: Access to N-Aryl Propargylamines

Silver Nanoparticle-Embedded Iron-Mediated Gel Matrix: Active Catalyst for CO2 Fixation and A3 Coupling

Contact Info

Product

Resources

About

Silver Nanoparticle-Embedded Iron-Mediated Gel Matrix: Active Catalyst for CO₂ Fixation and A³ Coupling