V2O5-based photocatalysts for environmental improvement: Key challenges and advancements

Journal of environmental chemical engineering, Journal Year: 2023, Volume and Issue: 11(6), P. 111243 - 111243

Published: Oct. 17, 2023

Language: Английский

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Bimetallic Porphyrin Metal–Organic Framework as Photocatalyst for Red-Light-Driven Selective Reduction of Nitroarenes to Aromatic Amines

ACS Sustainable Chemistry & Engineering, Journal Year: 2024, Volume and Issue: unknown

Published: Nov. 28, 2024

It is a great challenge to construct green catalytic system for the reduction of nitro compounds corresponding amines under mild conditions. Due low energy red light, it challenging develop photocatalytic selective nitroaromatics aromatic driven by light. A bimetallic porphyrin metal–organic framework (Bi-P(Co)MOF) was characterized Fourier transform infrared spectroscopy, X-ray diffraction, transmission electron microscopy, scanning and energy-dispersive techniques. The constructed photocatalyst Bi-PMOF-Co shows excellent activity conversion in high yields with NaBH4 as reducing agent at room temperature light irradiation. Moreover, protocol showed functional group compatibility, recyclability demonstrated five-cycle tests.

Language: Английский

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Green procedures for synthesizing potential hNMDA receptor allosteric modulators through reduction and one-pot reductive acetylation of nitro(hetero)arenes using a superparamagnetic Fe₃O₄@APTMS@Cp₂ZrCl_{x (x = 0, 1, 2)} nanocatalyst

Nanoscale Advances, Journal Year: 2025, Volume and Issue: unknown

Published: Jan. 1, 2025

In this research, we have developed diverse strategies for synthesizing potential h NMDA receptor allosteric modulators through reduction and one-pot reductive acetylation of nitro(hetero)arenes using a mesoporous zirconocene-containing nanocatalyst.

Language: Английский

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Ni^II-containing l-glutamic acid cross-linked chitosan anchored on Fe₃O₄/f-MWCNT: a sustainable catalyst for the green reduction and one-pot two-step reductive Schotten–Baumann-type acetylation of nitroarenes

Nanoscale Advances, Journal Year: 2024, Volume and Issue: 6(15), P. 3961 - 3977

Published: Jan. 1, 2024

In this research, new catalytic applications of the Fe 3 O 4 / f -MWCNT-CS-Glu/Ni II nanocomposite have been introduced for efficient reduction and one-pot two-step reductive Schotten–Baumann-type acetylation nitroarenes in water.

Language: Английский

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AgSbF₆ Catalyzed Reduction of Nitroarenes by Phenylsilane to Anilines

The Journal of Organic Chemistry, Journal Year: 2025, Volume and Issue: unknown

Published: Feb. 21, 2025

AgSbF6-catalyzed activation of phenylsilane (PhSiH3) enables the efficient reduction nitroarenes to produce corresponding anilines. This methodology operates under additive-free conditions, making it highly efficient, scalable, and compatible with a wide range electronically diverse nitroarenes. The utility this method is exemplified by employing cheap, commercially available metal catalyst for facile synthesis various Furthermore, has been extended intermediates drug molecules, demonstrating its broad applicability.

Language: Английский

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Magnetically Separable and Reusable Fe₃O₄ Nanoparticles for Reduction of Nitroarenes in Water

ChemistrySelect, Journal Year: 2025, Volume and Issue: 10(14)

Published: April 1, 2025

Abstract Reduction of nitroarenes was achieved using magnetically separable and reusable iron oxide nanoparticles (Fe 3 O 4 @ RA NPs) Rhododendron arboreum ( ) flower extract with high yields in water hydrazine hydrate as a green hydrogen source. The synthesis the biogenic NPs has been done tools displays excellent magnetic properties, which have proved by vibrating sample magnetometry (VSM). Further, field‐emission scanning electron microscopy (FE‐SEM), Fourier transform infrared spectroscopy (FTIR), energy dispersive X‐ray (EDX), diffraction (XRD), photoelectron (XPS), thermogravimetric analysis (TGA), Brunauer–Emmett–Teller (BET), used for characterization synthesized Fe NPs. TEM XRD revealed crystalline nature size 10.8 nm. BET surface area total pore volume were observed 147.098 m 2 /g 0.323837 cc/g, respectively. VSM displayed super paramagnetic behavior hence reused up to six consecutive cycles without compromising its catalytic performance, further approved FTIR recycled Wide substrate scope functional groups tolerance, large‐scale reactions (up 1 g), key pharmaceutical drug, paracetamol, are some adding points

Language: Английский

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Modern organic transformations: heterogeneous thermocatalysis or photocatalysis?

Chemical Society Reviews, Journal Year: 2025, Volume and Issue: unknown

Published: Jan. 1, 2025

This review presents the working principles, advantages and disadvantages of heterogeneous thermo- photocatalysis in organic transformations, outlines related applications advancements photocatalytic transformations.

Language: Английский

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Visible-light-induced iron-catalyzed reduction of nitroarenes to anilines

Chemical Communications, Journal Year: 2023, Volume and Issue: 59(95), P. 14177 - 14180

Published: Jan. 1, 2023

An efficient visible-light-induced iron-catalyzed reduction of nitroarenes to anilines by using N-ethylmorpholine (NEM) as a reductant under mild conditions has been developed. The reaction proceeds with photosensitizer-free and features good excellent yields broad functional group tolerance. Preliminary mechanistic investigations showed that this was conducted via ligand-to-metal (NEM Fe3+) charge transfer nitro triplet biradical-induced hydrogen atom processes.

Language: Английский

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Innovative Porous Organic Polymer Incorporating Ferrocene and s-Triazine: An Effective Method for Converting Nitroarenes to Benzimidazoles Using Visible Light

Polymer, Journal Year: 2024, Volume and Issue: 304, P. 127141 - 127141

Published: May 10, 2024

Language: Английский

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B2(OH)4 and Et3N-BH3: A New Combination of Reagents for the Mild and Efficient Photoreduction of Nitro(hetero)arenes

Synthesis, Journal Year: 2024, Volume and Issue: unknown

Published: Nov. 11, 2024

Abstract Anilines are a common motif in many bioactive compounds and their production through the reduction of nitroarenes has become an essential method for synthesis. We demonstrate that combination amine-borane complex hypoboric acid (tetrahydroxydiborane) under visible light irradiation can accomplish to corresponding anilines. Preliminary mechanistic studies suggest generation boryl radicals via hydrogen atom transfer (HAT) step from photoexcited nitroarene. Involvement parallel thermal pathway is demonstrated with high reaction efficiency being partially attributed both routes.

Language: Английский

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