Zobrazeno 1 - 10 of 345 pro vyhledávání: '"Hashem, Sharghi"'
1
Akademický článek
Zirconium-catalyzed one-pot synthesis of benzoxazoles using reaction of catechols, aldehydes and ammonium acetate
Autor: Masoumeh Mohammadi, Jasem Aboonajmi, Farhad Panahi, Maryam Sasanipour, Hashem Sharghi
Publikováno v: Scientific Reports, Vol 14, Iss 1, Pp 1-9 (2024)
Abstract In this study, an efficient method for the synthesis of benzoxazoles by coupling catechols, aldehydes and ammonium acetate using ZrCl4 as catalyst in ethanol is reported. A wide range of benzoxazoles (59 examples) are smoothly produced in hi
Externí odkaz: https://doaj.org/article/9eec706115ed4827a37b48e8c1c8e1e2
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2
Akademický článek
Highly Efficient Synthesis of 1,4-Disubstituted 1,2,3-Triazole Derivatives under Ultrasonic Irradiation, Evaluation of Vasorelaxant Activities
Autor: Sakineh Ebrahimpourmoghaddam, Maryam Motevasel, Saghar Mowlazadeh Haghighi, Azar Purkhosrow, Hashem Sharghi, Ali Khalafi-Nezhad, Elahe Sattarinezhad
Publikováno v: Trends in Pharmaceutical Sciences, Vol 10, Iss 1, Pp 67-76 (2024)
1,4-Disubstituted 1,2,3-Triazole derivatives are exciting pharmacophores with a wide range of biological activities, including anticancer, antituberculosis, antifungal, antibacterial, and anti-HIV. Due to their diverse uses, many efforts have been ma
Externí odkaz: https://doaj.org/article/a4b9243fd24b406e86948c981d3e9003
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4
Akademický článek
An overview on recent advances in the synthesis of sulfonated organic materials, sulfonated silica materials, and sulfonated carbon materials and their catalytic applications in chemical processes
Autor: Hashem Sharghi, Pezhman Shiri, Mahdi Aberi
Publikováno v: Beilstein Journal of Organic Chemistry, Vol 14, Iss 1, Pp 2745-2770 (2018)
This review article discusses the progress related to the synthesis and catalytic applications of sulfonated organic materials, sulfonated silica materials, and sulfonated carbon materials for industrial and laboratory products. These catalysts are w
Externí odkaz: https://doaj.org/article/71cf05a345224311a06cdc517c4a93fe
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5
Akademický článek
Solvent-free and room temperature synthesis of 3-arylquinolines from different anilines and styrene oxide in the presence of Al2O3/MeSO3H
Autor: Hashem Sharghi, Mahdi Aberi, Mohsen Khataminejad, Pezhman Shiri
Publikováno v: Beilstein Journal of Organic Chemistry, Vol 13, Iss 1, Pp 1977-1981 (2017)
A highly efficient, simple and environmentally friendly synthesis of 3-arylquinolines has been developed in the presence of Al2O3/MeSO3H via one-pot reaction of anilines and styrene oxide. This methodology provides very rapid access to 3-arylquinolin
Externí odkaz: https://doaj.org/article/b077f6030a004e159fee6bec50834f82
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6
Iodine-catalyzed synthesis of benzoxazoles using catechols, ammonium acetate, and alkenes/alkynes/ketones via C–C and C–O bond cleavage
Autor: Jasem Aboonajmi, Farhad Panahi, Mina Aali Hosseini, Mahdi Aberi, Hashem Sharghi
Publikováno v: RSC Advances. 12:20968-20972
A metal-free one-pot multi-component method for the efficient synthesis of 2-aryl benzoxazoles via coupling of catechols, ammonium acetate and alkenes/alkynes/ketones using an I2–DMSO catalyst system is illustrated.
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::7b15550898f22826b96a992dd80b719c
https://doi.org/10.1039/d2ra03340b
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7
One-Pot Three-Component Synthesis of 2,4,5-Triaryl-1H-imidazoles Using Mn2+ Complex of [7-Hydroxy-4-methyl-8-coumarinyl] Glycine as a Heterogeneous Catalyst
Autor: Mahdi Aberi, Seyyede Faeze Razavi, Hashem Sharghi
Publikováno v: Catalysis Letters. 152:1769-1783
A highly efficient and simple synthesis of 2,4,5-trisubstituted imidazoles has been developed using highly reusable support‐free Mn2+complex of [7-hydroxy-4-methyl-8-coumarinyl] glycine as a heterogeneous catalyst via a one-pot three-component reac
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::ded36fca62127bc9c69168da8642e1ff
https://doi.org/10.1007/s10562-021-03717-2
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9
One-Pot Multicomponent Coupling Reaction of Catechols, Benzyl Alcohols/Benzyl Methyl Ethers, and Ammonium Acetate toward Synthesis of Benzoxazoles
Autor: Hashem Sharghi, Farhad Panahi, Jasem Aboonajmi
Publikováno v: ACS Omega, Vol 6, Iss 34, Pp 22395-22399 (2021)
ACS Omega
The multicomponent coupling reaction of catechol, ammonium acetate, and benzyl alcohol/benzyl methyl ether in the presence of a Fe(III) catalyst precursor afforded benzoxazole derivatives in good to excellent yields. The notable features of this prot
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::62e09e330efaac1523ef34ddd972a774
https://doaj.org/article/782cc97bbed8475f9b501f0262dc6add
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10
Nanostructured coumarin-based cobalt complex as an efficient, heterogeneous and recyclable catalyst for the three-component synthesis of benzo[b]pyran and 3,4-dihydropyrano[c]chromene derivatives
Autor: Fatemeh Sabzalizadeh, Seyyede Faeze Razavi, Hashem Sharghi, Hamid Reza Karbalaei-Heidari, Mahdi Aberi
Publikováno v: Journal of the Iranian Chemical Society. 18:1641-1655
An improved one-pot three-component reaction of carbonyl compounds (dimedon, 4-hydroxy coumarin and 1,3-cyclohexadion) with malononitrile and aryl aldehydes in aqueous media (H2O:EtOH) as a solvent with short reaction time for the synthesis of benzo[
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::ec45b96239eb47f0edc0cdcf670d2282
https://doi.org/10.1007/s13738-020-02136-1
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