Sadegh Rostamnia

• Professor
• Professor (Full) at Iran University of Science and Technology

Nowadays, organically modified hybrid silica mesostructures are increasingly developing as the promising candidate in catalysis of various kinds of organic reactions and green chemistry. Among them, organic moieties with amine and sulphonic acid basis have taken a major part of this class. In this review, we have discussed recent advances of most c...

In addition to isocyanide-based Ugi, Passerini, van Leusen, and Orru multicomponent reactions (IMCRs), a new class of isocyanide/acetylene-based multicomponent reactions (IAMCRs), through a zwitterionic adduct, have emerged as powerful and elegant methods for the synthesis of biologically interesting molecules. Coupling reaction between “in situ” g...

The one-pot conversion of aldehydes to their corresponding primary amides has been studied using SBA-15-grafted ethylenediamine copper complexes (En-Cu). The heterogeneous catalyst could be readily isolated from the reaction mixture and reused for at least fourteen times without significant loss in activity. The influence of reaction parameters and...

IRMOF-3 is found to be an active, selective and stable solid catalyst for three-component, one-pot reaction of amines, aldehydes and dimethyl phosphite to form the corresponding α-aminophosphonates in high yields. The catalyst can be isolated from the reaction mixture and reused at least four times.

A pluronic P123 surfactant was employed in the exfoliation and stabilization of Pd0-supported graphene oxide (PdNPs–GO; NPs=nanoparticles) nanosheets in aqueous solution during the oxidation of benzylic and aliphatic alcohols under aerobic conditions at 80 °C. Surfactants prevented the aggregation of PdNPs–GO sheets at 80 °C under aqueous condition...

A magnetic-biopolymer composite of carboxymethyl cellulose (CMC), designated as Fe3O4@CMC, was synthesized featuring remarkable stability and an active surface with a green biosynthetic method. This composite was engineered to serve...

The development of biocompatible antibacterial films plays a crucial role in the fight against antibiotic-resistant bacteria strains. Here, we developed an SBA-15–NH2 decorated biocompatible CMC/PVA film containing Ag NPs as an antibacterial material against Gram-positive and Gram-negative bacteria strains. The structure of the manufactured film wa...

Herbal medicines (HMs) have deciphered indispensable therapeutic effects against cardiovascular disease (CVD) (the predominant cause of death worldwide). The conventional CVD therapy approaches have not been efficient and need alternative medicines. The objective of this study was a review of herbal bioactive compound efficacy for CVD therapy based...

Methicillin-resistant Staphylococcus aureus (MRSA) is the most common cause of acute bacterial arthritis. Due to the increase in antibiotic resistance in these bacteria, the discovery of new antibacterial agents became...

In metal–organic frameworks (MOFs), confined space as a chemical nanoreactor is as essential as coordinatively unsaturated metal site catalysis. The properties of MOFs can be adjusted through the incorporation of functional groups and open metal sites in frameworks that can modify the catalytic performance. In this regard, a set of defect-engineere...

In recent years, cancer disease led patients to become increasingly susceptible multiple drug resistance (MDR) through cancer therapies. Metalloporphyrin complexes are critical macromolecules that self-assembled and applied in various cancer therapy methods. In this study Zinc (II) porphyrin-based molecules, ZnTPP (zinc(II)tetrakis(4-phenyl)porphyr...

The objective of current research was to prepare a new biodegradable coating containing chitosan (Ch) and zataria multiflora essential oil (ZMEO) (free and Pickering emulsion (PEO) forms), in order to enhance the Salmo trutta shelf life. Our results showed, the mean of films thickness, mechanical properties (elastic modulus (EM) and tensile strengt...

Vanillin is a popular flavoring agent in many food products. Simple, fast, and reliable quantification of this compound is crucial for the food industry. In this work, we have developed a new electrochemical sensor for accurate detection of vanillin in various real samples. The composite electrode was made of sodium montmorillonite nanoclay (SMM) a...

Metal-organic frameworks (MOFs) are attractive functional materials due to their high surface area, high porosity, and flexible compositions. However, the high precursor cost and complex synthetic processes hinder their large-scale applications. Herein, a novel green approach has been developed toward the synthesis of Cu-based MOF by a solvent-free...

One of the current research lines in analytical chemistry is the design and utilization of novel materials with higher selectivity and improved analytical performance in various steps of chemical analysis. In this sense, Metal–Organic Frameworks (MOFs) have attracted attention as a potential alternative to current commercially available materials....

Here, we prepared UiO-66-NH2 and employed a post-synthesis modification method for its functionalization with a β-cyclodextrin (β-CD) organic compound. The resulting composite was employed as a support for the heterogenization of the Pd NPs. Various techniques, including FT-IR, XRD, SEM, TEM, EDS, and elemental mapping, were used to characterize Ui...

In this report, the novel UiO‑66‑NH2 based-MOF(Zr) catalytic system which further modified with nitrogen-rich organic ligand (5-aminotetrazole) using post synthetic modification (PSM) approach has been prepared here as an efficient catalyst to promote the A³-coupling preparation of propargyl amines in green aquatic media. This newly highly efficien...

In this research, the one-step synthesis of novel porphyrin-based nanocomposites was performed easily using a photochemical under visible light illumination strategy. As a result, the focus of this research is on synthesizing and using decorated ZnTPP (zinc(II)tetrakis(4-phenyl)porphyrin) nanoparticles with Ag, Ag/AgCl/Cu, and Au/Ag/AgCl nanostruct...

Pendimethalin (PND) is a herbicide that is regarded to be possibly carcinogenic to humans and toxic to the environment. Herein, we fabricated a highly sensitive DNA biosensor based on ZIF-8/Co/rGO/C3N4 nanohybrid modification of a screen-printed carbon electrode (SPCE) to monitor PND in real samples. The layer-by-layer fabrication pathway was condu...

Three nickel substituted Keggin-type polyoxometalates, α-[SiW9O37{Ni(H2O)}3]⁻¹⁰ (denoted as SiW9Ni3), was intercalated into Zn3Al based Layered Double Hydroxide (Zn3Al-LDH) by the selective ion-exchange technique. The as-synthesized nanocomposite, SiW9Ni3@Zn3Al, was used as heterogeneous nanoreactor to promote the synthesis of drug-like aminoimidaz...

In this research a highly efficient and heterogeneous catalyst of ZSM-5@APTMS@(E)-4-((pyridin-2-ylimino)methyl) benzaldehyde@Cu-NPs was synthesized for upgrading the A3 coupling reaction for the synthesis of propargylamines under mild conditions. Rational tuning of the microenvironment of metallic NPs to improve efficiency and reusability in cataly...

The biological approach for synthesizing nanoparticles (NPs) using plant extracts is an efficient alternative to conventional physicochemical methods. Galegine, isolated from Galega (Galega officinalis L.), has anti-diabetic properties. In the present study, silver nanoparticles (AgNPs) loaded onto urea-based periodic mesoporous organosilica (AgNPs...

A novel catalyst was synthesised in a way that it could be applied in simultaneous adsorption and heterogeneous Fenton processes. The granulated Fe3O4/CuBDC/Cellulose nanocomposites were synthesised with a novel in-situ granulation method in a rotary autoclave reactor, and they were efficient in the removal of a detrimental trisazo dye, direct blue...

p_Aminophenol, namely 4-aminophenol (4-AP), is an aromatic compound including hydroxyl and amino groups contiguous together on the benzene ring, which are suitable chemically reactive, amphoteric, and alleviating agents in nature. Amino phenols are appropriate precursors for synthesizing oxazoles and oxazines. However, since the toxicity of aniline...

The first ultrasonic synthesis of [Cu(L)4(SCN)2] (L = 1-methylimidazole) nanocomplex was carried out under ultrasonic irradiation, and its photocatalytic performance for the degradation of remdesivir (RS) under sunlight irradiation was comprehensively investigated for the first time in this study. The physicochemical properties of the synthesized p...

The hybrid periodic mesoporous organosilica (PMO) with APTES/DAR Schiff-based precursor 3-aminopropyltriethoxysilane (APTES) and 4,6-diacetylresorcinol (DAR) was synthesized in the presence of a structure-directing agent cetyltrimethylammonium bromide and tetraethoxysilane. Then, Pd (II) ions, as well as Pd nanoparticles, were incorporated inside t...

In this study, the crystalline metal-organic framework (MOF) ZIF-67 was obtained using the solvent-free ball milling method, which is a fast, simple, and economical green method without the need to use solvents. Using the impregnation method, platinum metal ions were loaded in the MOF cavities. Various descriptive methods have been used to explain...

Herein, we have presented a new insight for the synthesis of a hybrid heterogeneous catalyst. For this purpose, phosphonic acid tagged carbon quantum dots of CQDs-N(CH 2 PO 3 H 2 ) 2 encapsulated and assembled in channels of SBA-15 using a post-modification strategy. The mesoporous catalyst of functionalized carbon quantum dots (CQDs) was character...

Here, we prepare an Au NP decorated dithiocarbamate functionalized boehmite (γ-AlO(OH)@C-NHCS2H·AuNPs). This stepwise synthetic method gives an efficient, cost-effective, and green heterogenous Au-based nanocatalyst for the A3-coupling preparation of the biologically essential propargylamines. Different characterization methods, including FT-IR, XR...

Two Cu(II) (C1) and Ni(II) (C2) complexes were designed through the one-pot reaction of pyridine-2,6-dicarboxylic acid and 2-aminobenzimidazole respectively with copper(II) nitrate hexahydrate and nickel(II) nitrate hexahydrate. Both complexes were characterized by single-crystal X-ray diffraction and the distorted octahedral geometry was recognize...

Sodium alginate/carboxy-methyl cellulose/Cu-based metal-organic framework (SA/CMC/Cu-BDC) nanocomposite beads were prepared using an ex-situ combination of natural bio-polymers and pre-synthesized Cu-BDC powder and freeze-drying. Several methods such as XRD, FTIR, EDX, SEM, and N2 adsorption-desorption were used to pinpoint the physical and chemica...

This study focuses on synthesizing novel nanocomposites, zinc(II)tetrakis(4-phenyl)porphyrin/Cu nanoparticles (ZnTPP/Cu-NPs),with antibacterial activity, fabricated through a single-step green procedure. In this regard, the self-assembly of ZnTPP was carried out through an acid–base neutralization method to prepare ZnTPP nanoparticles. Then, the co...

The novel amide ligand, N,Nˊ–bis(2-hydroxy-5-methylphenyl) pyridine-2,6-dicarboxamide (L) was synthesized through the condensation reaction of pyridine-2,6-dicarbonylchloride with 2-amino-4-methylphenol (1:2). The new mixed-ligand complex [Sr(pydcH)2(H2O)3][Sr(pydcH2)(pydcH)(pydc)]2.[Sr(pydcH2)2(H2O)3].2H2O (C) (where pydc is pyridine-2,6-dicarboxy...

Due to the increasing environmental pollution caused by human activities, environmental remediation has become an important subject for humans and environmental safety. The quest for beneficial pathways to remove organic and inorganic contaminants has been the theme of considerable investigations in the past decade. The easy and quick separation ma...

Co3O4 NPs in N-doped porous carbon (Co3O4 [email protected]) materials were prepared by one-pot pyrolysis of a ZIF-67 powder under N2 atmosphere and followed by oxidation under air atmosphere (200 °C) toward promotion catalytic activity and activation of peroxymonosulfate (PMS) to degradation sulfamethoxazole (SMZ). 2-methylimidazole was used as a...

In this study, a novel nano-magnetic metal–organic frameworks based on Fe3O4 namely Fe3O4@MIL-101(Cr)-N(CH2PO3)2 was synthesized and fully characterized. The prepared sample was used as catalyst in the synthesis of pyrazolo [3,4-b] pyridines as convenient medicine by condensation reaction of aldehydes, 5-(1H-Indol-3-yl)- 2H-pyrazol-3-ylamine and 3-...

Plasmonic AgPd alloy nanoparticles (AgPdNPs) decorated on single-layer carbon nitride (AgPdNPs/SLCN) for the designing of the Mott-Schottky junction were constructed with the ultrasonically assisted hydrothermal method and used toward photo evolution H2 from formic acid (FA) at near room temperature (30 °C). The Pd atom contains active sites that a...

Herein, an electrochemical sensor for detection of indole was fabricated based on Pd nanoparticles modified Metal-Organic Framework Cr-MIL-101 ([email protected]) and ionic liquid (IL). The electrochemical behavior of indole was investigated by cyclic voltammetry (CV) and differential pulse voltammetry (DPV) at the surface of the modified electrode...

The current paper deals with the major causes of air pollution in the big cities of Azerbaijan. In this context, industrial gas wastes and transport systems are the most important sources of air pollution. Also, relevant factors following the intensity of air pollution have recently been recognized. The motor transport system and its detrimental ef...

Sub-micro and nanoparticles of silver (I) metal-organic coordination polymer [Ag2L]n (1) (H2L = 1,4-phenylenedipropionic acid) were fabricated using a sonochemical technique. X-ray powder diffraction (XRPD), Fourier transform infrared (FTIR) spectroscopy, scanning electron microscopy (SEM), and elemental analyses, were employed to characterize the...

Plasmonic AgPd alloy nanoparticles (AgPd NPs ) decorated on single-layer carbon nitride (AgPd NPs /SLCN) for the designing of Mott-Schottky junction were constructed with the ultrasonically assisted hydrothermal method and used toward photoevolution H 2 from formic acid (FA) at near room temperature (30 o C). The Pd atom contains active sites that...

In biomedical applications, biocompatible and nontoxic compounds are the most important types of cytotoxic effects. In this work, the polyelectrolyte Cell/IL/Ag-AgCl NPs were fabricated by immobilizing of Ag-AgCl nanoparticles on the surface of organic biopolymer (cellulose) without using any reducing agent. The physical and chemical properties of...

Herein, we studied a single-pot method with a dual catalysis process towards the conversion of primary aromatic alcohols to amides using ultrasmall PdNPs of controlled uniform size (1.8 nm) inside hybrid mesoporous organosilica nanotubes (MO-NTs). The catalyst exhibited excellent performance in water under mild conditions and showed high stability....

Chitosan is a biopolymer that is found in nature and is produced from chitin deacetylation. Chitosan has been studied thoroughly for multiple applications with an interdisciplinary approach. Antifungal antibacterial activities, mucoadhesion, non-toxicity, biodegradability, and biocompatibility are some of the unique characteristics of chitosan-base...

Photocatalytic H2 generation has been considered as an effective method for H2 generation, in which the cocatalysts play a critical role. Here, we report highly reactive nanocomposites composed of two-dimensional triazine-based covalent organic Polymers (COPs), Pd and Au nanocomponents which is designed to benefit from the alloying and visible ligh...

The stabilization of sub-nanometric metal particles (< 1 nm) with suitable distribution remained challenging in the catalytic arena. Herein, an intelligent strategy was described to anchoring and stabilizing sub-nanometric Pd colloids with an average size of 0.88 nm onto Kryptofix 23 functionalized MCM-41. Then, the catalytic activity of Pd@Kryf/MC...

The magnetic DAR-chitosan was synthesized by condensation of magnetic chitosan [Fe3O4@CS] with freshly synthesized diacetylresorcinol (here calls DAR) as a cross-linking agent; the Schiff base precursor on the as-prepared magnetic DAR-chitosan polymer can be coordinated with Au (III) to give magnetic DAR chitosan-based Au (III) Schiff base complex...

Over the past few decades, research on heterogeneous catalysts, especially metal-free catalysts in industrial and research transformations, has intensified. Despite the obvious benefits of heterogeneous transition metal catalysts in quick substrates activation and accelerate reactions, cost-effectiveness, high activity in harsh process conditions,...

A green and stable magnetic Fe3O4 core encapsulated in porous carbon shell was prepared. Then, the surface of as‐synthesized Fe3O4@meso‐C immobilized with activated 4‐aminobenzenesulfonic acid to achieve Fe3O4@C/Ph—SO3H. Structural, physico‐chemical, and magnetic properties of synthesized Fe3O4@C/Ph—SO3H catalyst using various analyses such as FT‐I...

Novel core-shell carbon coated-magnetic (Fe3O4@Cg) nanoparticles supported MnO2 nanosheets (with α- and β-type structure) (Fe3O4@Cg/MnO2) are synthesized through a self-sacrificing templet method. The new hybrid material was fully characterized with Fourier transformed infrared spectroscopy, energy-dispersive X-ray spectroscopy, scanning electron m...

A new Ag(I) metal-organic framework (Ag-MOF) [Ag(p-OH-C6H4COOH)2(NO3)]n ([Ag(PHBA)2(NO3)]n, (1) (PHBA: C8H6O4 {p-hydroxybenzoic acid}) was synthesized using two different methods; laying method (single crystal) and sonochemical irradiation (nanostructures). Scanning electron microscopy (SEM), powder XRD, and FT-IR spectroscopy were used to characte...

Herein, we describe an intelligent strategy to fabricate nanosheets of graphitic carbon nitride (g-C3N4) decorated with nanorods copper oxide (CuO NRs). Then, the catalytic activity of CuONRs/g-C3N4-NS was developed for the synthesis of primary amides in water. The morphology of CuO and its synergetics effect with nanosheets g-C3N4 a major role in...

This work reports the electrochemical detection of bisphenol A (BPA) using a novel and sensitive electrochemical sensor based on the Cu functionalized SBA-15 like periodic mesoporous organosilica-ionic liquid composite modified glassy carbon electrode ([email protected]/IL/GCE). The structural morphology of [email protected] is characterized by X-r...

A novel strategy was described to fabricate GO/CuBDC-Fe3O4 ternary nanocomposite using a green solvothermal method. The physicochemical properties of the ternary nanocomposite were probed by ATR-FTIR, WA-XRD, Raman, FE-SEM, TEM/HRTEM, STEM/mapping, and EDS spectroscopy. In this nanocomposite, graphene oxide (GO) nanosheets were used as an ideal pla...

Herein, a new magnetic metal–organic frameworks based on Fe3O4 (NMMOFs) with porous and high surface area materials were synthesized. Then, NMMOFs were characterized by FT-IR, XRD, SEM, elemental mapping, energy dispersive X-ray (EDS), TG, DTG, VSM, and N2 adsorption–desorption isotherms (BET). Fe3O4@Co(BDC)-NH2 as a magnetic porous catalyst was ap...

Microcystin-leucine arginine (MC-LR) is a carcinogenic toxin, produced by cyanobacteria. The release of this toxin into drinking water sources can threaten public health and environmental safety. Therefore, effective MC-LR removal from water resources is necessary. In the present study, the hydrothermal method was used to synthesize a novel ternary...

In this study two hybrid organic–inorganic ureasilicate monomers with different length of polymer segments were chosen for preparation of sol–gel material that includes two moieties blended on the molecular scale. The first monomer was obtained by crosslinking a double terminated polyoxyalkyleneamine with an isocyanate modified silicone ethoxide an...

Au nanorods (AuNRs) decorated phosphorus doped graphitic carbon nitride AuNRs/g-C3N(4-x)Px-NS catalyst have been designed and prepared by a facile hydrothermal approach, which is useful for the efficient reduction of nitroaromatics in aqueous solution using NaBH4- as reductant. A series of conventional characterizations like X-ray diffraction, scan...

Daunorubicin is a famous anthracycline anticancer chemotherapy drug with many side effects that is very important to measure in biological samples. A daunorubicin electrochemical biosensor was fabricated in this study using ds-DNA as the biorecognition element and glassy carbon electrode (GCE) amplified by Pt/SWCNTs as a sensor. The synthetization...

In this paper, a novel porous polymer capable of coordinating to bismuth (PCPs-Bi) was synthesized. The Bi-PCPs was then reacted with phosphorous acid to produce a novel polymer PCPs(Bi)N(CH2PO3H2)2 which is shown to act as an efficient and recyclable catalyst. The mentioned catalyst was applied for the efficient synthesis of new mono and bis napht...

Over the past few decades, research on heterogeneous catalysts, especially metal-free catalysts in industrial and research transformations, has intensified. Despite the obvious benefits of heterogeneous transition metal catalysts in quick...

A novel, efficient, and core/shell nanosphere catalyst (Fe3O4@C-NHCS-Au⁰) was successfully synthesized with a movable magnetite core encapsulated in a carbon shell. It was modified using APTES (3-aminopropyltriethoxysilane) to convert dithiocarbamate (DTC) functional group in the carbon surface though post-modification with CS2 (carbon disulfide)....

A novel, efficient, and core/shell nanosphere catalyst (Fe3O4@C-NHCS-Au0) was successfully synthesized with a movable magnetite core encapsulated in a carbon shell. It was modified using APTES (3-aminopropyltriethoxysilane) to convert dithiocarbamate (DTC) functional group in the carbon surface though post-modification with CS2 (carbon disulfide)....

Nano-size silver particles were stabilized on the inner surfaces of urea based periodic mesoporous organosilica (Ur-PMO). Aqueous extract of Euphorbia leaves as a sustainable and green reducing agent was applied for Ag-nanoparticles growth into the Ur-PMO channels. Physical and chemical properties of organosilica materials synthesized using various...

A series of mercury(II) metal-organic coordination polymers (Hg-MOCPs) with a general chemical formula [Hg(PicA)(N3)]n (PicA=2-picolinic acid) were synthesized by controlling their morphology using two methods including the branched tube and sonochemical ultrasonic-assisted (US). The effects of the sonication, the reaction time, the reactant concen...

Formic acid (FA) has long been regarded as a cheap and non-toxic hydrogen storage material due to its effective production of hydrogen in mild conditions. Though the development of heterogeneous catalysts has received much progress, their catalytic activity remains insufficient. Here, a porous Triazine-based covalent organic polymer (TA-COP) was fa...

Designing a photocatalytic system with complementary properties including high surface area, high loading, extraordinary electronic properties, and easy separation for increases photocatalytic performance has remained a challenge in photocatalytic applications. Herein, an environmentally benign approach was developed to fabricate graphitic carbon n...

Anchoring and stabilization of colloidal noble metal particles (CNMPs) with good distribution have remained an enormous challenge in catalytic applications. However, designing a catalytic system with complementary properties including high surface area, high loading, extraordinary electronic properties, and easy separation offers a promising route...

In this work, we introduce a novel bipyridinium ionic liquid bridged periodic mesoporous organosilicas (Bipy-PMOs-IL) which is used as the support to immobilize oxygenrich Molybdenum (VI)-based oxido-peroxido complex (MoO(O2)2@Bipy-PMO-IL). Several techniques such as Small-angle X-ray scattering (SAXS, low angle XRD, FE-SEM (field emission scanning...

In this work, we introduce a novel bipyridinium ionic liquid bridged periodic mesoporous organosilicas (Bipy-PMOs-IL) which is used as the support to immobilize oxygenrich Molybdenum (VI)-based oxido-peroxido complex (MoO(O2)2@Bipy-PMO-IL). Several techniques such as Small-angle X-ray scattering (SAXS, low angle XRD, FE-SEM (field emission scanning...

In this work, we introduce a novel bipyridinium ionic liquid bridged periodic mesoporous organosilicas (Bipy-PMOs-IL) which is used as the support to immobilize oxygenrich Molybdenum (VI)-based oxido-peroxido complex (MoO(O2)2@Bipy-PMO-IL). Several techniques such as Small-angle X-ray scattering (SAXS, low angle XRD, FE-SEM (field emission scanning...

A new porous triazine‐based covalent organic polymer (Triazine‐COP) was prepared through the Schiff‐base condensation of 2,4,6‐tris(4‐formyl phenoxy)‐1,3,5‐triazine and 4,4′‐oxydianiline, under sonication. The synthesized Triazine‐COP with a high surface area was stable in water and other organic solvents. In the next step, Au (III) ions were immob...

In this study, a novel electrochemical method as a conductive voltammetric sensor for determination of N-hydroxysuccinimide was developed. The N-hydroxysuccinimide sensor was achieved by carbon paste electrode (CPE) amplified with tri-component nanohybrid composite (Platinum nanoparticle/Polyoxometalate/Two-dimensional hexagonal boron nitride nanos...

In the current paper, we successfully developed and used metal–organic frameworks (MOFs) based on MIL-101(Cr)-NH2 with phosphorus acid functional groups MIL-101(Cr)-N(CH2PO3H2)2. The synthesized metal–organic frameworks (MOFs) as a multi-functional heterogeneous and nanoporous catalyst were used for the synthesis of N-amino-2-pyridone and pyrano [2...

Fabrication of a nanocomposite catalyst via a novel and efficient strategy remains a challenge; Fe3O4 nanoparticles anchored on graphene oxide (GO) sheet-supported metal-organic frameworks (MOFs). In this study, the physicochemical properties of the ensuing Fe3O4/Cu-BDC/GO are investigated using Fourier transform infrared spectrum, scanning electro...

Ultra-small nano-sized palladium particles were successfully stabilized within the pores of diamine groups grafted open metal site metal-organic frameworks of Cr-MIL-101; coordinated diamine groups of ethylene diamine (ED) and propyl diamine (PD) on the active site of chromium units of Cr-MIL-101. The physiochemical properties of the Pd@Cr-MOFs wer...

Thiourea-bridged organosiloxane is used to synthesize a periodic mesoporous organosilica (PMO). Since this PMO has an S-enriched surface, owing to thiourea functional groups, it exhibits strong coordination toward Pt ions, and it shows a high tunability in the Pt nanoparticles size. This hybrid mesoporous material is employed as a catalyst in the e...

We designed and synthesized a novel catalyst consisting of ordered mesoporous silica (SBA‐15) functionalized with bis(thiourea) (BTU) linker. The regular and unique pore channels of BTU‐SBA‐15 ensure proper control of the size and homogeneous distribution of palladium nanoparticles. The physiochemical properties of the hybrid Pd@BTU‐SBA‐15 pre‐cata...

A green and cost-effective protocol developed using covalently bonded sulfamic acid graphitic carbon nitride (g-C3N4/NHSO3H) for the synthesis of quinazoline derivatives using three-component condensation reaction of benzaldehyde, 2‐aminotetrazole and dimedone. The XRD, TEM, SEM, EDX and FT-IR techniques were used to identify the physical and chemi...

Mesoporous aluminosilica is a unique structure for catalysis due to Lewis acidity of aluminum. Here, we design a new catalyst by merging periodic mesoporous organosilica with aluminosilica into its structure instead of mere silica. The employed organosilica bridge in this synthesis is a thiourea based organosiloxane precursor which has a unique fea...

In this work, SBA-15/PrN(CH2PO3H)2 as a novel and heterogeneous catalyst containing of phosphorous acid groups was fully characterized by using various analysis techniques. A good range of novel pyrido[2,3-d]pyrimidines and pyrimido[4,5-b]quinolines were synthesized in the presence of SBA-15/PrN(CH2PO3H)2 under solvent-free condition. The major adv...

The synthesis of mesoporous organosilicas (MOs) using co-condensation for a high ratio of a long and flexible chained organosiloxane bridge with silica precursor (e.g. tetraethylorthosilicate (TEOS)) is a complex and challenging task. By complementing the experimental characterisations with density functional calculations, The critical ratio of the...

The design of hydroxyapatite (HA) nanoarchitecture is critical for fabricating artificial bone tissues as it dictates the biochemical and the mechanical properties of the final product. Herein, we incorporated a simple hard-template approach to synthesise single crystal nanoplates of HA. We used the 2D graphitic nitride (g-C3N4) material to prepare...