Synthesis, characterization and catalytic activity of copper (II) complex immobilized on magnetic nanoparticles (Fe3O4@SiO2-(Imine-Thiazole)-Cu(OAc)2 nanomaterial) for synthesis of diaryl sulfides and benzothiophenes DOI

Meili Feng,

Wenjun Yao,

Jingjing An

et al.

Synthetic Communications, Journal Year: 2022, Volume and Issue: 52(22), P. 2122 - 2137

Published: Oct. 17, 2022

Research on the synthesis of organosulfur compounds is an attractive research fields among synthetic chemists. Diaryl sulfides and benzothiophenes are important with a diverse range biological activities which privileged in structure numerous molecules natural products. In this paper, we successfully fabricated copper complex supported surface magnetic nanoparticles modified imine-thiazole ligand studied its catalytic activity diaryl benzothiophenes. The Fe3O4@SiO2-(Imine-Thiazole)-Cu(OAc)2 nanomaterial was well characterized by Fourier transform infrared, scanning electron microscope, energy-dispersive X-ray spectrum, transmission microscopy, thermal gravimetric analysis, vibrating sample magnetometer, powder diffraction (XRD), Atomic absorption spectroscopy (AAS) Inductively coupled plasma-optical emission (ICP-OES) techniques. catalyst could be recovered via attraction (upon washing organic phase water) reused at least seven runs without noticeable decrease performance.

Language: Английский

Influence of adsorption of gold and silver nanoclusters on structural, electronic, and nonlinear optical properties of pentacene-5,12-dione: a DFT study DOI
Shradha Lakhera, Meenakshi Rana, Kamal Devlal

et al.

Optical and Quantum Electronics, Journal Year: 2023, Volume and Issue: 55(2)

Published: Jan. 4, 2023

Language: Английский

Citations

22
Molecular simulation investigations on interaction properties of the teriflunomide–chitosan complex in aqueous solution DOI

Sepideh Tanreh,

Mahyar Rezvani, Masoud Darvish Ganji

et al.

Journal of Physics and Chemistry of Solids, Journal Year: 2022, Volume and Issue: 174, P. 111171 - 111171

Published: Dec. 10, 2022

Language: Английский

Citations

29
Solvent-assisted ligand exchange as a post-synthetic surface modification approach of Zn-based (ZIF-7, ZIF-8) and Co-based (ZIF-9, ZIF-67) zeolitic frameworks for energy storage application DOI

Zahra Ebrahimi,

Mohammad Rad,

Vahid Safarifard

et al.

Journal of Molecular Liquids, Journal Year: 2022, Volume and Issue: 364, P. 120018 - 120018

Published: Aug. 5, 2022

Language: Английский

Citations

25
Synthesis and characterization of an Fe-MOF@Fe3O4 nanocatalyst and its application as an organic nanocatalyst for one-pot synthesis of dihydropyrano[2,3-c]chromenes DOI Creative Commons
Enayatollah Sheikhhosseini, Mahdieh Yahyazadehfar

Frontiers in Chemistry, Journal Year: 2023, Volume and Issue: 10

Published: Jan. 4, 2023

In this study, the recyclable heterogeneous cluster bud Fe-MOF@Fe3O4 'nanoflower' composite (CB NFC) was successfully synthesized using Fe(NO3)3·9H2O, 8-hydroxyquinoline sulfate monohydrate, and Fe3O4 nanoparticles by microwave irradiation. The as-prepared CB NFC characterized X-ray diffraction (XRD), field-emission scanning electron microscopy (FE-SEM), energy-dispersive spectroscopy (EDX), vibrational sampling magnetometry (VSM), Fourier transform infrared (FTIR). samples proved to have excellent catalytic activity. activity of nanocatalyst explored in synthesis dihydropyrano[3, 2-c]chromene derivatives via a three-component reaction 4-hydroxycoumarin, malononitrile, wide range aromatic aldehyde compounds. Optimized conditions had several advantages, including use water as green solvent, environmental compatibility, simple work-up, reusability catalyst, low catalyst loading, faster time, higher yields.

Language: Английский

Citations

14
Fluorescent and Phosphorescent Nitrogen-Containing Heterocycles and Crown Ethers: Biological and Pharmaceutical Applications DOI Creative Commons

Faiz Ullah,

Sami Ullah, Muhammad Farhan Ali Khan

et al.

Molecules, Journal Year: 2022, Volume and Issue: 27(19), P. 6631 - 6631

Published: Oct. 6, 2022

Fluorescent molecules absorb photons of specific wavelengths and emit a longer wavelength photon within nanoseconds. Recently, fluorescent materials have been widely used in the life material sciences. Fluorescently labelled heterocyclic compounds are useful bioanalytical applications, including vivo imaging, high throughput screening, diagnostics, light-emitting diodes. These various therapeutic properties, antifungal, antitumor, antimalarial, anti-inflammatory, analgesic activities. Different neutral markers containing nitrogen heterocycles (quinolones, azafluoranthenes, pyrazoloquinolines, etc.) several electrochemical, biological, nonlinear optic applications. Photodynamic therapy (PDT), which destroys tumors keeps normal tissues safe, works presence molecular oxygen with light photosensitizing drugs (dye) to obtain effect. can potentially be effective templates for producing devices biological research. Blending crown residues create sensors has frequently investigated. Florescent (crown ether) increase metal solubility non-aqueous fluids, broadening application window. supramolecular polymers widespread use materials, fluorescence probing, data storage, bio-imaging, drug administration, reproduction, biocatalysis, cancer treatment. The employment fluorophores, organic chromophores ethers, selectivity, sensitivity, stability constants, opens up new avenues gaining importance world daily because their diverse functionality remarkable structural features positive properties fields medicine, photochemistry, spectroscopy.

Language: Английский

Citations

21
Oxime Esters: Flexible Building Blocks for Heterocycle Formation DOI

Faeze Yousefnejad,

Fatemeh Gholami, Bagher Larijani

et al.

Topics in Current Chemistry, Journal Year: 2023, Volume and Issue: 381(4)

Published: May 18, 2023

Language: Английский

Citations

13
Synthesis of environmentally benign new ionic liquids for the preparation of 2-aryl/heteroaryl benzimidazoles/benzoxazoles under ultrasonication DOI

Meeniga Indira,

Gokanapalli Anusha, Peddiahgari Vasu Govardhana Reddy

et al.

Sustainable Chemistry and Pharmacy, Journal Year: 2022, Volume and Issue: 30, P. 100874 - 100874

Published: Nov. 2, 2022

Language: Английский

Citations

17
Molecular Characterization of an Isoflavone 2′-Hydroxylase Gene Revealed Positive Insights into Flavonoid Accumulation and Abiotic Stress Tolerance in Safflower DOI Creative Commons
Jianyu Liu, Naveed Ahmad, Yingqi Hong

et al.

Molecules, Journal Year: 2022, Volume and Issue: 27(22), P. 8001 - 8001

Published: Nov. 18, 2022

Flavonoids with significant therapeutic properties play an essential role in plant growth, development, and adaptation to various environments. The biosynthetic pathway of flavonoids has long been studied plants; however, its regulatory mechanism safflower largely remains unclear. Here, we carried out comprehensive genome-wide identification functional characterization a putative cytochrome P45081E8 gene encoding isoflavone 2'-hydroxylase from safflower. A total 15 CtCYP81E genes were identified the genome. Phylogenetic classification conserved topology structures, protein motifs, cis-elements elucidated crucial insights into stress responses. diverse expression pattern four different flowering stages suggested important clues regulation secondary metabolites. Similarly, variable CtCYP81E8 during multiple further highlighted strong relationship metabolite accumulation. Furthermore, orchestrated link between transcriptional flavonoid accumulation was validated yellow- red-type spatiotemporal under methyl jasmonate, polyethylene glycol, light, dark conditions likely significance abiotic adaption. Moreover, over-expressed transgenic Arabidopsis lines showed enhanced transcript abundance OE-13 line approximately eight-fold increased expression. upregulation AtCHS, AtF3'H, AtDFR detection several types also provides potential Together, our findings shed light on fundamental via constitutive biosynthesis.

Language: Английский

Citations

15
Oximes and hydrazones as versatile directing groups: A critical review on C-H activation and functionalization DOI

Adarsh Jha,

Sowmya Dastari,

Nandini M. Barve

et al.

Tetrahedron, Journal Year: 2025, Volume and Issue: unknown, P. 134634 - 134634

Published: April 1, 2025

Language: Английский

Citations

0
Synthetic Strategies Toward 2H‐, 4H‐Pyrans, and Pyranones: Recent Advances DOI

Subhasis Samai,

Sanghamitra Atta,

Maya Shankar Singh

et al.

ChemistrySelect, Journal Year: 2025, Volume and Issue: 10(21)

Published: May 30, 2025

Abstract Pyrans are a class of six‐membered heterocyclic rings containing five carbon atoms and one oxygen atom. They non‐aromatic in nature, bearing two double bonds the ring. The bond position distinguishes pyran isomers, namely, 2 H ‐pyran 4 ‐pyran. When saturated sp 3 is located next to an atom, it known as ‐pyran, when at 4‐position with respect In 1962, by thermal breakdown 2‐acetoxy‐3,4‐dihydro‐2 ‐pyrans were produced for first time, their characteristics explored. Numerous synthetic methods have been disclosed over time owing broad applications diverse fields, mainly drug design, pharmaceuticals, material science. this review, we highlight recent advancements toward substituted 4‐pyranone, 2‐pyranones, focusing on reports published from 2019 till date, which play important roles both organic synthesis types functional molecules.

Language: Английский

Citations

0