Applications of surface modified Fe ₃ O ₄ based nanoparticles for the oxidation of various alcohols: a review

Journal of Coordination Chemistry, Год журнала: 2025, Номер unknown, С. 1 - 96

Опубликована: Март 8, 2025

Язык: Английский

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SO₃H Functionalized Polystyrene Resin as an Efficient Solid Acid Catalyst for Aromatic Nitration Reactions

ChemistrySelect, Год журнала: 2025, Номер 10(22)

Опубликована: Июнь 1, 2025

Abstract Nitro compounds are essential intermediates in numerous fine chemicals and synthesized primarily through the nitration of hydrocarbons using HNO 3 H 2 SO 4 . However, this process requires large quantities , which raises significant environmental concerns. In study, we functionalized polystyrene resin via a free radical suspension polymerization process. The ion exchange capacity was measured to be 3.67 meq g −1 Subsequently, these employed for various hydrocarbons, exhibiting excellent catalytic activity (up 100%) toward desired nitro compounds. addition, resins showed up five times recyclability without loss activity. This catalyst offers several advantages, particular, avoidance hazards associated with sulfuric acid, high activity, applicability substituted aromatic hydrocarbons.

Язык: Английский

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A decade of synthesis of N-heterocyclic derivatives via magnetically retrievable Fe₃O₄@SiO₂@Cu(II) nanocatalysts: A review (2013-present)

Synthetic Communications, Год журнала: 2023, Номер 53(18), С. 1469 - 1505

Опубликована: Июнь 28, 2023

Medicinal chemistry and synthetic organic rely primarily on C-N bonds for their structures because a variety of biologically active compounds, including natural products molecules, contain N-heterocyclic as subunits, they have been assigned privileged position in drug development due to improved solubility ability form salts, both which contribute oral absorption bio-availability. In recent years, the copper-catalyzed cross-coupling reactions progressed rapidly with inexpensive, readily available, insensitive air, low-toxicity copper catalysts. The coupling strategy has used make N-heterocycles, wide range applications investigated excellent functional group tolerance. current review explores direct bond formation cyclization approaches fabricate triazole, tetrazole, various other derivatives that are catalyzed by magnetically retrievable (II)-impregnated silica-coated iron oxide nanocatalysts.

Язык: Английский

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Development of sustainable green catalysts for oxidation of alcohols via decorated palladium nanoparticles on magnetic carbon nanotube/MOF

Journal of Molecular Structure, Год журнала: 2023, Номер 1294, С. 136444 - 136444

Опубликована: Авг. 18, 2023

Язык: Английский

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Fe₃O₄ supported [Cu(ii)(met)(pro-H)₂] complex as a novel nanomagnetic catalytic system for room temperature C–O coupling reactions

RSC Advances, Год журнала: 2023, Номер 13(32), С. 22538 - 22548

Опубликована: Янв. 1, 2023

In this study, a newly-designed copper(ii) complex of metformin and l-proline which was immobilized on Fe

Язык: Английский

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Synthesis of benzo[b]pyran and pyrano[2,3-d]pyrimidine derivatives using a new superparamagnetic nanocatalyst Fe3O4@gly@Furfural@Co(NO3)2

Research on Chemical Intermediates, Год журнала: 2023, Номер 49(8), С. 3461 - 3479

Опубликована: Июнь 12, 2023

Язык: Английский

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Impact of Gd doping on structural and magnetic characteristics of SrFeO3 perovskite nanomaterial

Journal of Physics Condensed Matter, Год журнала: 2024, Номер 36(50), С. 505809 - 505809

Опубликована: Сен. 19, 2024

Abstract The SrFeO 3 nanoparticles doped with 5% and 10% Gd were synthesized using the solution combustion method. phase formation of was confirmed by powder x-ray diffraction analysis. Field emission scanning electron microscope HRTEM employed to examine morphology samples, revealing well-ordered, agglomerated nanoparticles. Energy dispersive spectroscopy analysis conducted on all confirming presence desired elements. X-ray photoelectron mixed oxidation states Fe 3+ 4+ . Magnetization studies, performed a SQUID magnetometer, showed ferromagnetic behaviour in significant increase magnetic moment observed higher doping. enhanced moments reduced coercivity Gd-doped suggest that these materials could be suitable for spintronic applications.

Язык: Английский

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Renewables-Based Routes to Paracetamol: A Green Chemistry Analysis

ACS Sustainable Chemistry & Engineering, Год журнала: 2024, Номер 12(44), С. 16271 - 16282

Опубликована: Окт. 21, 2024

Язык: Английский

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Targeted development of sustainable green catalysts for regioselective acylation of aromatic ethers with carboxylic acidsviachlorosulfonic acid coated on poly(guanidine–triazine–sulfonamide) grafted quartz–γ-Fe₂O₃

New Journal of Chemistry, Год журнала: 2023, Номер 47(17), С. 8410 - 8425

Опубликована: Янв. 1, 2023

Friedel–Crafts (FC) acylation of aromatic compounds is considered one the essential and valuable reactions in organic synthesis.

Язык: Английский

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Cu-coordinated aminomethyl pyridine-modified magnetic nanoparticles: An excellent active center for the synthesis of pyrano[3,2-c]chromene derivatives

Inorganic Chemistry Communications, Год журнала: 2023, Номер 158, С. 111538 - 111538

Опубликована: Окт. 3, 2023

Язык: Английский

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