Article
Biochemistry & Molecular Biology
Sodeeq Aderotimi Salami, Xavier Siwe-Noundou, Rui W. M. Krause
Summary: In the search for convenient, green, and practical catalytic methods for organic synthesis, a simple and efficient protocol for N-formylation of various amines was developed using immobilized sulfuric acid on silica gel (H2SO4-SiO2). The reaction exhibited short reaction time and high yields, and the catalyst can be recycled.
Article
Chemistry, Multidisciplinary
Matthew T. Flynn, Xin Liu, Andrea Dell'Acqua, Jabor Rabeah, Angelika Brueckner, Eszter Barath, Sergey Tin, Johannes G. de Vries
Summary: In this study, biomass derived glycolaldehyde was used as a C1 building block for the N-formylation of secondary amines using air as an oxidant. The reaction showed atom economy, high selectivity, and could proceed without the need for a catalyst. Mechanistic studies indicated a radical oxidation pathway.
Article
Chemistry, Multidisciplinary
Xingchao Dai, Teng Li, Bin Wang, Carsten Kreyenschulte, Stephan Bartling, Shujuan Liu, Dongcheng He, Hangkong Yuan, Angelika Brueckner, Feng Shi, Jabor Rabeah, Xinjiang Cui
Summary: Heterogeneously catalyzed N-formylation of amines to formamide with CO2/H2 is efficiently achieved using mixed valence catalysts containing Cu2O/Cu interface sites, which play a vital role in the excellent catalytic activity by assisting in the formation of O-inter-H moieties.
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
(2023)
Article
Chemistry, Physical
Mina Amirsoleimani, Mohammad A. Khalilzadeh, Daryoush Zareyee
Summary: The novel palladium nanoparticles stabilized by clinoptilolite as a natural zeolite showed good to excellent yields in N-formylation and N-acylation of amines at room temperature. The catalyst, easily recovered and reused for 7 consecutive runs without loss in activity, was characterized structurally and morphologically using XRD, FT-IR, BET, and TEM techniques.
JOURNAL OF MOLECULAR STRUCTURE
(2021)
Article
Chemistry, Physical
Moosa Ramdar, Foad Kazemi, Parvin Eskandari, Majid Mirzaei, Babak Kaboudin, Zahra Taran
Summary: In this paper, the use of new ethers as formylating agents in photocatalysis, photochemistry, and non-photo-induced conditions was explored. The work focuses on trapping and utilizing formic acid as a photo-degradation intermediate, presenting a new approach for the valorization of degradation intermediates. The reactions yielded the corresponding formamides in good yields under simple and mild conditions.
JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY A-CHEMISTRY
(2023)
Article
Chemistry, Physical
Pengbo Wang, Qian He, Hao Zhang, Qingdi Sun, Yujie Cheng, Tao Gan, Xiaohui He, Hongbing Ji
Summary: A simple and commercially available ZnO catalyst was used for selective N-formylation of amines under mild conditions in this study, resulting in high-yielding products with good recyclability and wide substrate scope. This method has the potential to promote fine chemical synthesis and CO2 capture.
CATALYSIS COMMUNICATIONS
(2021)
Article
Nanoscience & Nanotechnology
Ashish Kumar Kar, Arjun Behera, Rajendra Srivastava
Summary: The photocatalytic reductive N-formylation of nitroarenes was successfully achieved using a Pd nanoparticle-embedded nanostructured Ti-MOF catalyst under sunlight or household white light-emitting diode (LED). The high photocatalytic performance of the catalyst can be attributed to the direct contact between the Pd nanoparticles and the MOF, abundant catalytically active sites, and superior electrical conductivity. The findings of this study demonstrate the economic and sustainable catalyst design and may inspire the development of similar catalytic protocols for other industrially important chemicals.
ACS APPLIED NANO MATERIALS
(2022)
Article
Chemistry, Organic
Kanchan Mishra, Hari Datta Khanal, Yong Rok Lee
Summary: A facile, eco-friendly, efficient, and recyclable heterogeneous catalyst was synthesized by immobilizing copper impregnated on mesoporous magnetic nanoparticles. The Fe3O4-CuO nanocomposites show synergistic effect between Fe3O4 and CuO nanoparticles, providing mass-transfer channels for the catalytic reaction. The catalytic activity for N-formylation of a wide range of amines is attributable to the synergistic effect between Fe3O4 and CuO nanoparticles, demonstrating its potential for the synthesis of biologically active quinolone moieties.
EUROPEAN JOURNAL OF ORGANIC CHEMISTRY
(2021)
Article
Chemistry, Multidisciplinary
Shuang-Shuang Ma, Rui Sun, Zi-Heng Zhang, Peng-Xin Guan, Jin-Qing Lin, Chun-Shan Li, Bao-Hua Xu
Summary: A novel half-sandwich phosphinesulfonate cobaltic complex was prepared and used for the chemoselective N,N-dimethylation of nitroaromatics. The catalytic activity could be modulated by using specific hydrosilanes.
Article
Materials Science, Ceramics
Wafaa S. Abo El-Yazeed, O. R. Hayes, Awad Ahmed
Summary: This research focuses on preparing catalysts with simple isolation, easy preparation, high stability, and good catalytic activity. Magnetic nanoparticles of MCM-41-coated NiFe2O4 were prepared and modified with phosphotungstic acid (PWA) and sulfate. The efficiency and reusability of the catalysts in forming xanthene and coumarin derivatives were tested. The study found that the catalysts were easily recovered and reused without a noticeable decrease in activity. Characterization techniques such as SEM, TEM, FTIR, XRD, VSM, and XPS were used to analyze the samples. The results showed good dispersion of sulfate and PWA nanoparticles, which contributed to the increased acidity and activity of the catalysts. The catalyst 20S-W/NF-MCM-41-II exhibited the highest acidity and yields of 14-aryl-14H-dibenzo[a, j]xanthene and 7-hydroxy-4-methyl coumarin.
JOURNAL OF SOL-GEL SCIENCE AND TECHNOLOGY
(2022)
Article
Chemistry, Organic
Dulce G. Ramirez-Vazquez, Omar Vinas-Bravo, Roxana Martinez-Pascual, Lemuel Perez-Picaso, Karla Viridiana Castro-Cerritos
Summary: A straightforward methodology has been developed for the formylation of secondary cyclic amines, anilines, and steroids, utilizing the previously unreported DMF·HCl complex as a versatile and easily-available formylating system that can be stored without loss of activity.
SYNTHETIC COMMUNICATIONS
(2021)
Article
Chemistry, Multidisciplinary
Yuki Saito, Taisei Senzaki, Ken Nishizawa, Shu Kobayashi
Summary: We present a green synthetic method, continuous-flow N-methylation, utilizing heterogeneous Pd catalysts with formaldehyde and H(2) to access N-methyl amines. The catalyst shows excellent activity for aliphatic and aromatic amines, and the developed method is also applied to sequential hydrogenation reactions for challenging N-monomethyl amines.
Article
Chemistry, Multidisciplinary
Yuki Saito, Taisei Senzaki, Ken Nishizawa, Shu Kobayashi
Summary: This study presents a green synthetic method using heterogeneous Pd catalysts for continuous-flow N-methylation with formaldehyde and H(2) to obtain N-methyl amines. The catalyst exhibited excellent activity for aliphatic and aromatic amines. The developed method was also applied to sequential hydrogenation reactions to access challenging N-monomethyl amines.
Article
Chemistry, Inorganic & Nuclear
Zhi-Qiang Wang, Cheng-Hua Deng, Xiao Liu, Wen-Min Wang
Summary: In this study, a green-synthesis produced aluminum-based metal-organic framework (Al-MOF) material CAU-10pydc was used as a catalyst for CO2 formylation reaction. The results showed that CAU-10pydc could effectively catalyze the reaction of CO2 and N-methylaniline to N-methyl-N-phenylformamide under mild conditions. CAU-10pydc maintained its efficient catalytic performance after cyclic catalysis and exhibited stability. The universality of this catalyst was demonstrated through reactions with nine substrates. This work represents the first example of a highly effective Al-MOF catalyzing CO2 formylation reaction under green conditions.
DALTON TRANSACTIONS
(2023)
Article
Chemistry, Applied
Mateus Freitas Paiva, Gabriel Ali Atta Diab, Estelle Silva Diorato Teixeira de Mendonca, Silvia Claudia Loureiro Dias, Jose Alves Dias
Summary: Magnetic nanoparticles based on magnetite (MNP) coated with silica (MNP@SiO2) have various research applications, especially as catalyst supports. In this study, magnetite was coated with tetraethylorthosilicate (TEOS) and used as a support for phosphotungstic acid (HPW). The synthesized catalysts showed good dispersion and integrity of HPW, maintaining the structural and magnetic characteristics of MNP@SiO2. The catalysts exhibited high activity, selectivity, and stability in the esterification reaction of oleic acid with ethanol.
Article
Chemistry, Multidisciplinary
Fatemeh S. Mohseni-Shahri, Farid Moeinpour, Asma Verdian
Summary: The interaction between Erythrosine B (EB) and cetyltrimethylammonium bromide (CTAB) was investigated, and the quenching constant, binding sites, and binding constant were calculated for the EB-CTAB system using spectrophotometry. A liquid crystal-based sensing platform (LC) was developed, which utilized an LC interface decorated with cationic surfactants to achieve ultrasensitive and unlabelled EB determination. The LC-based sensing system recognized EB at a remarkably low level, down to 2.0 pM, making it a fast, convenient, and effective method for the determination of EB in unlabeled biological samples.
Article
Chemistry, Multidisciplinary
Parvin Sanati-Tirgan, Hossein Eshghi, Arezou Mohammadinezhad
Summary: In this study, a novel eco-friendly and inexpensive method for the synthesis of 4(3H)-quinazolinones using magnetically separable bimetallic Fe3O4-MAA@Co-MOF@Cu-MOF NPs as catalysts was reported. This is the first example of integrating two different types of MOFs with different metal ions. The structural and compositional features of the synthesized nanocatalyst were analyzed using various spectroscopic and microscopic techniques.
Article
Environmental Sciences
Pegah Parizadeh, Farid Moeinpour, Fatemeh S. Mohseni-Shahri
Summary: A green and effective metallochromic sensor was developed using anthocyanin extract from black eggplant peels embedded in bacterial cellulose nanofibers. The sensor can detect copper ions in solution and solid state, with quantification limits of 10-400 ppm and 20-300 ppm respectively. It can produce a visual color change from brown to light blue and dark blue depending on the copper concentration in aqueous matrices.
Article
Engineering, Manufacturing
Farid Moeinpour, Fatemeh S. Mohseni-Shahri
Summary: An intelligent pH-sensing indicator containing Roselle and alizarin was developed as an on-package indicator to check shrimp freshness at 4 degrees C. The film-forming substrate containing natural dyes enhanced the film's thickness and antioxidant action. The designed film could produce various colors indicating the freshness and spoilage of packaged shrimp, making it a promising smart packaging material for real-time monitoring of shrimp freshness.
PACKAGING TECHNOLOGY AND SCIENCE
(2023)
Article
Environmental Sciences
Behrooz Shirkhorshidi, Mohsen Dehghani Ghanatghestani, Farid Moeinpour, Hossein Parvaresh
Summary: Global awareness of microplastics in soils, especially agricultural soils, is increasing. This study examined the impact of high-density polyethylene (HDPE) microplastics on iron (Fe) adsorption and desorption in soil. The results showed that the addition of microplastics reduced iron sorption but enhanced excretion, with effects varying based on microplastic dosage, size, and pH. Energy-dispersive X-ray spectroscopy confirmed iron adsorption on the surface of microplastics. The introduction of microplastics into the soil may increase iron mobility and pose more risks to the agricultural ecosystem.
WATER AIR AND SOIL POLLUTION
(2023)
Article
Chemistry, Multidisciplinary
Sima Pourghasem, Farid Moeinpour, Fatemeh S. Mohseni-Shahri
Summary: Copper(II)@polyimide linked covalent organic frameworks (Cu@PI-COF) were successfully used for the efficient synthesis of 1,5-benzodiazepines via 1,2-diaminobenzene, aromatic aldehydes, and dime-done under solvent-free and microwave assisted conditions. The three-component condensation reaction provides safe operations, low pollution, quick access to products, and an easy setup due to the application of solvent-free conditions and microwave irradiation. The catalyst can be reused multiple times without any loss of activity.
ARABIAN JOURNAL OF CHEMISTRY
(2023)
Article
Environmental Sciences
Behrooz Shirkhorshidi, Mohsen Dehghani Ghanatghestani, Farid Moeinpour, Hossein Parvaresh
Summary: The global attention on microplastics in soils, particularly in agricultural soils, has been growing. The impact of microplastics on the ability of agricultural soils to add and remove pollutants, specifically lead, was investigated. It was found that the addition of microplastics decreased lead adsorption but increased its excretion, with the effects varying depending on the dosage of microplastics, particle size, and solution pH. Introduction of microplastics into the soil may enhance the mobility of lead and pose greater risks to the agricultural ecosystem.
ENVIRONMENTAL MONITORING AND ASSESSMENT
(2023)
Article
Environmental Sciences
Ebrahim Mahmoudi, Majid Baghdadi, Naser Mehrdadi, Farid Moeinpour
Summary: The antibacterial effect of graphitic carbon nitride coated on red ocher was investigated using a photocatalytic process to remove Gram-negative Escherichia coli bacteria. The results showed that this method is effective in eliminating E. coli.
ENVIRONMENTAL MONITORING AND ASSESSMENT
(2023)
Article
Chemistry, Applied
Amir Khojastehnezhad, Maryam Rajabzadeh, Maziar Jafari, Farid Moeinpour, Reza Khalifeh, Jacques Huot, Dongling Ma, Mohamed Siaj
Summary: In this study, a core-shell magnetic (Fe3O4, MNP) microporous organic network (MON) was prepared and Cu nanoparticles (NPs) were immobilized on the MON shell material. XPS and XRD analyses confirmed the composition of the copper NPs. TEM analysis revealed the size of the Cu/CuO/Cu2O NPs immobilized on the MON surface. MON-Cu/CuO/Cu2O showed excellent catalytic activity for the synthesis of carbonates via CO2 fixation reaction.
MICROPOROUS AND MESOPOROUS MATERIALS
(2023)
Article
Chemistry, Multidisciplinary
Mohammad Khosravani, Mohsen Dehghani Ghanatghestani, Farid Moeinpour, Hossein Parvaresh
Summary: The aim of removing Pb(II) from water is to minimize the potential harm posed by toxic metals to both human health and the environment. A covalent organic framework adsorbent called TFPOTDB-SO3H was developed with excellent properties such as high repeatability, selectivity, and easy solid-liquid separation. The adsorbent showed impressive capability of adsorbing Pb(II) and effective removal of it from a solution with various ions, suggesting its potential for effectively adsorbing and removing Pb(II) heavy metal ions from wastewater.
ARABIAN JOURNAL OF CHEMISTRY
(2024)
Article
Multidisciplinary Sciences
Mehran Minabi-Nezhad, Farid Moeinpour, Fatemeh S. Mohseni-Shahri
Summary: By using anthocyanin extract obtained from jambolao fruit and incorporating it within bacterial cellulose nanofibers, an eco-friendly and efficient metal-sensitive indicator for identifying copper(II) ions in both liquid and solid forms was established. The indicator showed a significant color change when bound with Cu(II), and exhibited excellent selectivity for Cu(II) ions. With detection limits ranging from 10-400 ppm for liquid samples and 50-500 ppm for solid samples, the sensor can accurately identify Cu(II) ion through naked eye observation, making it a promising tool for real-time and on-site detection of Cu(II) ion.
SCIENTIFIC REPORTS
(2023)
Article
Chemistry, Physical
Hossein Torabi, Hossein Eshghi, Sara S. E. Ghodsinia, Parvin Sanati-Tirgan
Summary: In this study, a ZnGlu MOF/SBA-16 nanocomposite was successfully synthesized and applied as a catalyst for CO2 epoxidation under solvent-free conditions. The structure of the nanocomposite was characterized using various analytical techniques. The introduction of mesoporous silica SBA-16 improved reactant diffusion and molecular accessibility, leading to efficient chemical fixation of CO2. The nanocomposite exhibited remarkable catalytic activity and could be easily separated and reused.
MOLECULAR CATALYSIS
(2023)
Article
Chemistry, Multidisciplinary
Parvin Moghimi, Shadi Bolourian, Ali Shiri, Hossein Eshghi, Fereshteh Hosseini, Hossein Sabet-Sarvestani
Summary: The research aims to investigate the regioselectivity and mechanism of the ring-closing reaction of hydrazine derivatives of pyrido[1,2-e]purine. The structure contains two potential nitrogen atoms as nucleophiles. Experimental results show that one nitrogen atom is a more potent nucleophile. Theoretical studies suggest that the regioselectivity is primarily controlled by the kinetic parameters of the reaction, and steric hindrance plays a significant role. Additionally, the aromaticity of the possible final products was analyzed, and it was found that more aromatic products were favored kinetically.
NEW JOURNAL OF CHEMISTRY
(2023)
Article
Chemistry, Multidisciplinary
Fatemeh Pirani, Hossein Eshghi, S. Amin Rounaghi
Summary: In this study, Cu(0) nanoparticles supported on organo-modified montmorillonite with benzalkonium chloride (MMT-BAC@Cu(0)) were synthesized as an eco-friendly and green heterogeneous catalyst for the synthesis of 5-substituted 1H-tetrazoles in mild media. The structure of the catalyst was investigated using various techniques. The advantages of availability, low cost, non-toxicity, and biocompatibility of clay were emphasized in this nanoclay catalyst synthesis. The method offers good to excellent product yields, mild conditions, easy work-up, short reaction times, and easy reuse of the nanocatalyst.
Article
Chemistry, Multidisciplinary
Fatemeh Pirouzi, Hossein Eshghi, Hossein Sabet-Sarvestani
Summary: This study analyzed the high reactivity of 3-triflyloxybenzynes in the macrocyclization reaction with tetrahydrofuran (THF) using DFT calculations. It was discovered that the reaction proceeds via an overlooked pathway involving 1,2-dicarbene reactivity and the intermediacy of a de-aromatized cyclic allene. The stability of 1,2-dicarbene-type benzynes was determined by the pi-donation and sigma-donation abilities of the substituents. Additionally, the impact of different substituents at the C5-position on the stability of 3-triflyloxybenzynes was described for the first time.
NEW JOURNAL OF CHEMISTRY
(2023)
