The bifunctional and reusable catalyst of cerium/L‐arginine on mesoporous KIT‐6 in the chemoselective oxidation of sulfides and homoselective synthesis of tetrahydrobenzo[b]pyrans DOI Open Access

Mitra Darabi,

Mohsen Nikoorazm, Bahman Tahmasbi

et al.

Applied Organometallic Chemistry, Journal Year: 2024, Volume and Issue: 38(9)

Published: July 29, 2024

In this work, KIT‐6@Schiff‐base@Ce nanocatalyst was synthesized by immobilizing the Ce complex on KIT‐6 mesoporous silica framework modified with 3‐iodopropyltrimethoxysilane group. The surface area, total volume, and average diameter of pores, physical properties, functional groups, organic content, element combination obtained were identified using different techniques including BET, FT‐IR, XRD, WDX, SEM, EDX. investigated as a novel stable reusable catalyst excellent performance for selective synthesizing sulfoxide tetrahydrobenzo[b]pyrans. designed successfully oxidized large number sulfides hydrogen peroxide under solvent‐free conditions or in ethanol safe, green, available solvent good efficiency within short reaction times. Also, catalyzed tetrahydrobenzo[b]pyrans multicomponent condensation dimedone, aldehydes, malononitrile water/ethanol (1:1) ideal, green solvent.

Language: Английский

Novel neodymium complex on MCM‐41 magnetic nanocomposite as a practical, selective, and returnable nanocatalyst in the synthesis of tetrazoles with antifungal properties in agricultural DOI
Parisa Moradi, Batool Zarei, Yunes Abbasi Tyula

et al.

Applied Organometallic Chemistry, Journal Year: 2023, Volume and Issue: 37(4)

Published: Jan. 14, 2023

This project reports a simple procedure for the synthesis and characterization of neodymium on MCM‐41 magnetic nanoparticles (MNPs) as reusable nanocatalyst. First, magnetite (Fe 3 O 4 ) MNPs were prepared by chemical co‐precipitation from FeCl hexahydrate 2 tetrahydrate in basic NH solution. At second step, nanocomposite (MCM‐41 MNC) was Fe doping into mesoporous channels. third novel Schiff base complex immobilized MNC. fourth this catalyst (Nd‐LArg‐5BrSalen@MNC) used practicable magnetically recoverable nanocatalyst homoselective tetrazoles. characterized via several analysis, example, TGA, TEM, UV, SEM, FT‐IR, SEM‐EDS, VSM, ICP, XRD, WDX, BET. All tetrazole products synthesized with high yield short time. Despite catalytic activity neodymium, it has rarely organic compounds. compounds identified 1 H NMR, physical properties. Nd‐LArg‐5BrSalen@MNC displays activity, good selectivity, stability, more important facile separation. can be isolated again times consecutively without considerable loss its activity. The recycled EDS, FT‐IR techniques showed match fresh catalyst. Also, antifungal some derivatives studied against Fusarium oxysporum (rot disease chickpea root) Botrytis cinerea (gray mold strawberry) using paper disk method PDA culture medium.

Language: Английский

Citations

65
Immobilization of Ni(ii) complex on the surface of mesoporous modified-KIT-6 as a new, reusable and highly efficient nanocatalyst for the synthesis of tetrazole and pyranopyrazole derivatives DOI Creative Commons

Mitra Darabi,

Mohsen Nikoorazm, Bahman Tahmasbi

et al.

RSC Advances, Journal Year: 2023, Volume and Issue: 13(18), P. 12572 - 12588

Published: Jan. 1, 2023

In this paper, KIT-6@SMTU@Ni was successfully synthesized via a new method of Ni(ii) complex stabilization on modified mesoporous KIT-6, as novel and green heterogeneous catalyst. The obtained catalyst (KIT-6@SMTU@Ni) characterized using Fourier transform infrared spectroscopy (FT-IR), Brunauer-Emmett-Teller (BET) calculation, X-ray diffraction (XRD), atomic absorption (AAS), energy-dispersive (EDS), mapping, thermogravimetric analysis (TGA) techniques scanning electron microscopy (SEM). After complete characterization the catalyst, it used for synthesis 5-substituted 1H-tetrazoles pyranopyrazoles. Moreover, tetrazoles were from benzonitrile derivatives sodium azide (NaN3). All tetrazole products with high TON, TOF excellent yields (88-98%) in reasonable time (0.13-8 h), demonstrating efficiency practicality Furthermore, pyranopyrazoles prepared through condensation reaction benzaldehyde malononitrile, hydrazine hydrate ethyl acetoacetate (87-98%) at appropriate times (2-10.5 h). could be reused five runs without any re-activation. Significantly, plotted protocol has prominent benefits, such applying solvents, use commercially available low-cost materials, separation reusability short time, yield facile work-up.

Language: Английский

Citations

52
Synthesis and characterization of a new Schiff-base complex of copper on magnetic MCM-41 nanoparticles as efficient and reusable nanocatalyst in the synthesis of tetrazoles DOI
Mohsen Nikoorazm, Bahman Tahmasbi,

Shahab Gholami

et al.

Polyhedron, Journal Year: 2023, Volume and Issue: 244, P. 116587 - 116587

Published: Aug. 12, 2023

Language: Английский

Citations

46
Synthesis of tetrazoles catalyzed by a new and recoverable nanocatalyst of cobalt on modified boehmite NPs with 1,3-bis(pyridin-3-ylmethyl)thiourea DOI Creative Commons
Arida Jabbari, Parisa Moradi, Bahman Tahmasbi

et al.

RSC Advances, Journal Year: 2023, Volume and Issue: 13(13), P. 8890 - 8900

Published: Jan. 1, 2023

In the first part of this work, boehmite nanoparticles (BNPs) were synthesized from aqueous solutions NaOH and Al(NO3)3·9H2O. Then, BNPs surface was modified using 3-choloropropyltrimtoxysilane (CPTMS) then 1,3-bis(pyridin-3-ylmethyl)thiourea ((PYT)2) anchored on (CPTMS@BNPs). final step, a complex cobalt stabilized its (Co-(PYT)2@BNPs). The obtained characterized by FT-IR spectra, TGA analysis, SEM imaging, WDX EDS XRD patterns. second part, Co-(PYT)2@BNPs used as highly efficient, retrievable, stable, organic-inorganic hybrid nanocatalyst for formation organic heterocyclic compounds such tetrazole derivatives. novel are stable have heterogeneous nature; therefore, they can be recovered reused again several consecutive runs without any re-activation.

Language: Английский

Citations

44
A new neodymium complex on renewable magnetic biochar nanoparticles as an environmentally friendly, recyclable and efficient nanocatalyst in the homoselective synthesis of tetrazoles DOI Creative Commons
Bahman Tahmasbi, Parisa Moradi,

Mitra Darabi

et al.

Nanoscale Advances, Journal Year: 2024, Volume and Issue: 6(7), P. 1932 - 1944

Published: Jan. 1, 2024

Inexpensive, stable, selective, and recyclable nanocatalysts, waste regeneration, utilization of safe available solvents are interest important factors in laboratory science industrial applications green chemistry. Therefore, herein, biochar nanoparticles (BNPs) were synthesized through chicken manure pyrolysis as a novel method for recycling. Then, order to improve their recyclability, the obtained BNPs magnetized using magnetic nickel nanoparticles. surface (BMNPs) was modified by (3-chloropropyl)trimethoxysilane (3-CPTMS) further neodymium Schiff-base complex immobilized on BMNPs, denoted Nd-Schiff-base@BMNPs. The supported used practical, biocompatible, commercial, reusable heterogeneous nanocatalyst. support this nanocatalyst formed from manure; therefore, it is cheap, economically viable, also compatible with principles Nd-Schiff-base@BMNPs acts selectively organic reactions can easily be recovered an external magnet reused, which This characterized wavelength-dispersive X-ray spectroscopy (WDX), scanning electron microscopy (SEM), energy-dispersive (EDS), thermogravimetric analysis (TGA), Fourier transform infrared (FT-IR), inductively coupled plasma (ICP), N

Language: Английский

Citations

24
A new Schiff‐base complex of palladium nanoparticles on modified boehmite with di(pyridin‐2‐yl)methanone as a robust, reusable, and selective nanocatalyst in the C‐C coupling reaction DOI
Bahman Tahmasbi,

Mitra Darabi,

Mohsen Nikoorazm

et al.

Applied Organometallic Chemistry, Journal Year: 2024, Volume and Issue: 38(3)

Published: Jan. 4, 2024

Boehmite is one of the stable phases alumina that easily available, and it also has a variety applications. Therefore in this work, for preparation AlOOH, Sodium hydroxide (NaOH) solutions was added to aluminum nitrate nonahydrate (Al(NO 3 ) .9H 2 O) solution. Then, surface AlOOH modified with (3‐aminopropyl)triethoxysilane (APTES), due high condensation hydroxyl groups on its surface. di(pyridin‐2‐yl)methanone (di(PM)) immobilized toward synthesis Schiff‐base (di(PM)@AlOOH) as heterogeneous ligand. Finally, palladium complex (Pd‐di(PM)@AlOOH) reusable, practical, novel nanocatalyst. Pd‐di(PM)@AlOOH characterized by thermogravimetric analysis (TGA) analysis, Fourier‐transform infrared spectroscopy (FT‐IR), transmission electron microscopy (TEM), scanning microscope (SEM) imaging, energy‐dispersive X‐ray (EDS) wavelength‐dispersive (WDX) inductively coupled plasma (ICP) analysis. After characterization Pd‐di(PM)@AlOOH, performance used highly stable, retrievable, hybrid organic–inorganic catalyst C‐C coupling Suzuki reaction. The hot filtration study revealed acts heterogeneously We found can be recycled five runs without leaching, studied test ICP

Language: Английский

Citations

17
Gadolinium Schiff-base complex on nanocomposite of graphene oxide magnetic nanoparticles as a robust, reusable and chemoselective nanocatalyst in the C–C coupling reactions DOI
Bahman Tahmasbi,

Mitra Darabi,

Parisa Moradi

et al.

Polyhedron, Journal Year: 2024, Volume and Issue: 258, P. 117038 - 117038

Published: May 14, 2024

Language: Английский

Citations

17
A V(O)-Schiff-base complex on MCM-41 as an efficient, reusable, and chemoselective nanocatalyst for the oxidative coupling of thiols and oxidation of sulfides DOI
Arida Jabbari, Mohsen Nikoorazm, Parisa Moradi

et al.

Research on Chemical Intermediates, Journal Year: 2023, Volume and Issue: 49(4), P. 1485 - 1505

Published: Feb. 10, 2023

Language: Английский

Citations

37
Two Schiff-base complexes of cadmium and manganese on modified MCM-41 as practical, recyclable and selective nanocatalysts for the synthesis of sulfoxides DOI
Arida Jabbari, Mohsen Nikoorazm, Parisa Moradi

et al.

Journal of Porous Materials, Journal Year: 2023, Volume and Issue: 30(4), P. 1395 - 1402

Published: Feb. 13, 2023

Language: Английский

Citations

36
A new samarium complex of 1,3-bis(pyridin-3-ylmethyl)thiourea on boehmite nanoparticles as a practical and recyclable nanocatalyst for the selective synthesis of tetrazoles DOI Creative Commons
Parisa Moradi, Tavan Kikhavani, Yunes Abbasi Tyula

et al.

Scientific Reports, Journal Year: 2023, Volume and Issue: 13(1)

Published: April 11, 2023

Boehmite is a natural and environmentally friendly compound. Herein boehmite nanoparticles were primarily synthesized and, then, their surface modified via 3-choloropropyltrimtoxysilane (CPTMS). Afterwards, new samarium complex was stabilized on the of (Sm-bis(PYT)@boehmite). The obtained characterized using thermogravimetric analysis (TGA), energy dispersive X-ray spectroscopy (EDS), Brunauer-Emmett-Teller (BET), wavelength (WDX), scanning electron microscope (SEM), Fourier transform infrared (FT-IR), Inductively coupled plasma mass spectrometry (ICP-MS), dynamic light scattering (DLS), diffraction (XRD) pattern. Sm-bis(PYT)@boehmite used as an friendly, efficient, organic-inorganic hybrid nanocatalyst in homoselective synthesis tetrazoles polyethylene glycol 400 (PEG-400) green solvent. Notably, stable has heterogeneous nature. Thus, it can be reused for several runs without any re-activation.

Language: Английский

Citations

34