A5044301719- Oxidative Organic Chemistry Reactions
- Chemical Synthesis and Reactions
- Porphyrin and Phthalocyanine Chemistry
- Polyoxometalates: Synthesis and Applications
- Metal-Catalyzed Oxygenation Mechanisms
- Sulfur-Based Synthesis Techniques
- Advanced Photocatalysis Techniques
- Advanced Nanomaterials in Catalysis
- Multicomponent Synthesis of Heterocycles
- Synthesis and Biological Evaluation
- Metal-Organic Frameworks: Synthesis and Applications
- Synthesis of Indole Derivatives
- Nanocluster Synthesis and Applications
- X-ray Diffraction in Crystallography
- Nanomaterials for catalytic reactions
- Crystallization and Solubility Studies
- Synthesis and Catalytic Reactions
- Electrochemical sensors and biosensors
- Vanadium and Halogenation Chemistry
- Metal complexes synthesis and properties
- Catalytic Processes in Materials Science
- Catalytic C–H Functionalization Methods
- Radical Photochemical Reactions
- Catalysis and Hydrodesulfurization Studies
- Analytical Chemistry and Sensors
University of Birjand
2015-2024
Bu-Ali Sina University
2024
Shiraz University of Medical Sciences
2018
Shiraz University
2002-2004
Catalytic efficiency of a sphere-shaped nanosized polyoxomolybdate {Mo132} in the aerobic epoxidation olefins water at ambient temperature and pressure absence reducing agent is exploited which resulted good-to-high yields desired selectivity.
Atom-efficient and selective oxidation of sulfides to sulfoxides sulfones in water epoxidation olefins ethanol with hydrogen peroxide catalyzed by Keplerate nanoball polyoxomolybdate {Mo132} under heterogeneous conditions are reported. The reaction yield selectivity was affected crucially catalyst concentration. A structurally diverse set were transformed into desired products regardless the electronic nature substituents. In spite mixtures throughout work, no difficulties progress noted....
In this work, a novel magnetically recoverable phthalocyanine catalyst was prepared by immobilization of the Cu(II) phthalocyanine-tetrasulfonic acid tetrasodium complex (CuPcS) on silica coated magnetic nanoparticles (Fe3O4@SiO2, SMNP) via amine functionality (ASMNP). The epoxidation olefins and oxidation saturated hydrocarbons to related ketones also sulfides sulfones an aqueous solution tetra-n-butylammonium peroxomonosulfate (n-Bu4NHSO5, TBAOX) were efficiently enhanced with excellent...
The CoL<sub>2</sub>@SMNP nanocatalyst catalyzed heterogeneous aerobic oxidation of benzylic C–H bonds saturated hydrocarbons and alcohols to the related carbonyl compounds.
Novel recoverable biomimetic catalysts were prepared by the coordinative anchoring of an iron(III) meso-tetraphenyl porphyrin complex [Fe(TPP)Cl] and some derivatives on activated multi-walled carbon nanotube (AMWCNT) via hydroxyl functionality (Fe-Por–AMWCNT). The simple heterogeneous catalyst [Fe(TPP)Cl–MWCNT] was characterized powder X-ray diffraction (XRD), transmission electron microscopy (TEM), scanning (SEM), Raman, FT-IR UV–vis spectroscopy. amount loading nanotubes, determined...
ZrO2 nanocatalyst has been obtained successfully using novel and safe agents through a simple sol–gel method (polymerizing–complexing) characterized by XRD, FT-IR, Raman spectroscopies transmission electron microscopy (TEM). XRD results indicated only formation of monoclinic zirconia. TEM images revealed spherical nanoparticles with 20–40 nm diameter range. The spectral analysis data confirmed the effectiveness for preparation zirconia preventing grain growth or agglomeration particles....
Abstract Four novel dioxidomolybdenum(VI) complexes [MoO 2 (L x )(CH 3 OH)] have been synthesized, using 2[( E )‐(2‐hydroxy‐2‐phenylethylimino)methyl]phenol derivatives as tridentate ONO donor Schiff base ligands (H L ) and MoO (acac) . A monoclinic space group was determined by X‐ray crystallography from single‐crystal data of a sample these new complexes. The epoxidation alkenes tert ‐butyl hydroperoxide oxidation sulfides to sulfoxides urea hydrogen peroxide were efficiently enhanced with...
Crystalline nanobelts of α-MoO3 have been obtained successfully using novel and safe agents through a simple sol–gel method (polymerizing–complexing) characterized by XRD, FT-IR, Raman spectroscopies, high resolution transmission electron microscopy (HRTEM), scanning (SEM) the temperature programmed desorption (TPD) ammonia. An orthorhombic lattice system for nano-MoO3 was established. The HRTEM images showed that nanobelt morphology mostly ranged from 20–70 nm in width 200–400 length....
An economic and environmentally friendly system for efficient selective oxidation of industrially biologically important substrates in water using tert-butyl hydroperoxide catalyzed by a new magnetically recoverable Mn-porphyrin was developed. The easily prepared heterogeneous catalyst characterized powder X-ray diffraction, transmission electron microscopy, scanning FT-IR UV-vis spectroscopy. size the estimated to be about 10 nm. thermal gravimetric analysis demonstrated that nanocatalyst...
TiO<sub>2</sub>/AA/MoO<sub>2</sub> nanocomplex demonstrated desired activity and selectivity in the epoxidation of olefins oxidation sulfides to sulfoxides using H<sub>2</sub>O<sub>2</sub> as an environmentally benign oxidant ethanol a green solvent.
The catalytic efficiency of a Keplerate <bold>{Mo72V30}</bold> nanocapsule in the aerobic benzylic C–H oxidation alcohols and hydrocarbons was exploited.
An unprecedented visible-light-driven photocatalytic system consisting of Pd nanoparticles stabilized on g-C3N4-imine-functionalized TiO2 was discovered for photoassisted hydrogen generation followed by olefin hydrogenation under mild conditions. The structural integrity the as-synthesized photocatalyst corroborated Fourier transform infrared spectroscopy, X-ray powder diffraction, energy-dispersive inductively coupled plasma atomic emission photoelectron ultraviolet-diffuse reflectance...
A well-organized construction of hybrid metal-organic frameworks (MOFs) with exquisite structures is vital due to their potential applications. Herein, a novel nanostructure UiO-66-on-ZIF-67, denoted as MZU-CoxZry (x and y represent the mass ratios ZIF-67 UiO-66, respectively), was successfully prepared by simple method showed highly efficient stable bifunctionality both oxygen evolution reaction (OER) hydrogen (HER) in an alkaline medium. The MZU-Co2.5Zr1 shows remarkable OER performance...
Abstract A novel, magnetically recoverable porphyrin catalyst has been prepared by the coordinative anchoring of [Mn(Br 2 TPP)OAc] complex on silica‐coated magnetic nanoparticles (Fe 3 O 4 @SiO , SMNP) through an amine functionality. The heterogeneous was characterized powder X‐ray diffraction, transmision electron microscopy, scanning and FTIR spectroscopy. loading support determined thermogravimetric (TG) analysis inductively coupled plasma atomic emission were estimated to have a diameter...
Titanium oxide nanoparticles were synthesized by a modified polymerized complex derived sol–gel method followed coating with oleic acid (OA) to modify their surface. The reaction MoO2 (acac)2 yielded the TiO2–OA–MoO2 nanocomposite as supported cis-dioxomolybdenum complex. structural and morphological characterization of as-prepared TiO2 carried out different techniques such XRD, FT-IR, TGA TEM. catalytic activity nanocomplex in epoxidation olefins oxidation sulfides sulfoxides using H2O2...
The nanocrystalline TiO<sub>2</sub> surface modified with cobalt melamine dendrimer amine complex under ultrasonic agitation produced a novel low band-gap photocatalyst (Co(<sc>ii</sc>)–TD@TiO<sub>2</sub>). This catalyst system involves photooxidation of alcohols to aldehydes followed by cyclocondensation 1,2-phenylenediamine afford benzimidazoles in one-pot operation good excellent yield.