Zobrazeno 1 - 10 of 17 pro vyhledávání: '"Mehdi Koohgard"'
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ARS–TiO2 photocatalyzed direct functionalization of sp2 C–H bonds toward thiocyanation and cyclization reactions under visible light
Autor: Mehdi Koohgard, Mona Hosseini-Sarvari, Abdollah Masoudi Sarvestani, Zeinab Hosseinpour
Publikováno v: Catalysis Science & Technology. 10:1401-1407
An ARS–TiO2 photocatalyst has been prepared, by a simple method through stirring a mixture of ARS and TiO2 at room temperature in the dark, to extend the photocatalytic response of titanium dioxide toward the visible light spectrum. The synergic ef
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::11a6c4093816258607cf2aeb6b0670fa
https://doi.org/10.1039/c9cy02268f
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3
Visible-light-mediated semi-heterogeneous black TiO2/nickel dual catalytic C (sp2)–P bond formation toward aryl phosphonates
Autor: Mona Hosseini-Sarvari, Mehdi Koohgard, Haniehsadat Karimitabar
Publikováno v: Dalton Transactions. 49:17147-17151
The combination of black TiO2 nanoparticles (NPs) with a nickel catalyst provides a low-cost, sustainable, and reusable alternative dual catalytic system to a homogeneous counterpart (noble metals). This black TiO2-photoredox/nickel dual catalytic sy
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::9e6c2f3f4cf2bcd09db744f5694d065f
https://doi.org/10.1039/d0dt03507f
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4
Black TiO2 nanoparticles with efficient photocatalytic activity under visible light at low temperature: regioselective C–N bond cleavage toward the synthesis of thioureas, sulfonamides, and propargylamines
Autor: Mona Hosseini-Sarvari, Mehdi Koohgard
Publikováno v: Catalysis Science & Technology. 10:6825-6839
Several different colored forms of TiO2 were prepared through the easy treatment of white TiO2 and NaBH4 as a safe hydrogen source. These types of modified TiO2 showed a quite acceptable visible light response. Then, tertiary amines were harnessed to
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::56761463fe15c70ea657b9df54870444
https://doi.org/10.1039/d0cy01256d
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5
Photocatalytic synthesis of unsymmetrical thiourea derivatives via visible-light irradiation using nitrogen-doped ZnO nanorods
Autor: Mehdi Koohgard, Mona Hosseini-Sarvari, Abdollah Masoudi Sarvestani
Publikováno v: New Journal of Chemistry. 44:14505-14512
An efficient, mild, and environmentally friendly route has been developed for the synthesis of unsymmetrical thiourea derivatives in moderate yields by the reaction of tertiary aromatic and aliphatic amines with phenyl-iso-thiocyanate in the presence
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::0e018393dc4f2533a6638a71e39f30b6
https://doi.org/10.1039/d0nj02197k
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6
Ligand-free copper-catalyzed O-arylation of aryl halides using impregnated copper ferrite on mesoporous graphitic carbon nitride as a robust and magnetic heterogeneous catalyst
Autor: Dariush Khalili, Mehdi Koohgard, Meysam Rezaei
Publikováno v: Microporous and Mesoporous Materials. 287:254-263
In this study, a magnetic and heterogeneous nanocatalyst based on in situ synthesis of CuFe 2 O 4 supported on mesoporous graphitic carbon nitride (mpg-C 3 N 4 ) was developed. This mesoporous nanocomposite was well characterized via standard analysi
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::32492744d1116ff46d85d6358c261ad8
https://doi.org/10.1016/j.micromeso.2019.06.007
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7
Visible-light-mediated phosphonylation reaction: formation of phosphonates from alkyl/arylhydrazines and trialkylphosphites using zinc phthalocyanine
Autor: Mehdi Koohgard, Mona Hosseini-Sarvari
Publikováno v: Organicbiomolecular chemistry. 19(26)
In this work, we developed a ligand- and base-free visible-light-mediated protocol for the photoredox syntheses of arylphosphonates and, for the first time, alkyl phosphonates. Zinc phthalocyanine-photocatalyzed Csp2–P and Csp3–P bond formations
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::5fcf35ab18bf0a6a9127bd8e60e46b21
https://pubmed.ncbi.nlm.nih.gov/34132725
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β-Cyclodextrin-NHC-Gold(I) Complex (β-ICyD)AuCl: A Chiral Nanoreactor for Enantioselective and Substrate-Selective Alkoxycyclization Reactions
Autor: Denis Lesage, Sylvain Roland, Kajetan Bijouard, Jorge Meijide Suárez, Matthieu Sollogoub, Etienne Derat, Louis Fensterbank, Olivia Bistri-Aslanoff, Nicolas Vanthuyne, Natalia del Rio, Pinglu Zhang, Mehdi Koohgard, Coralie Tugny, Virginie Mouriès-Mansuy
Publikováno v: ACS Catalysis
ACS Catalysis, American Chemical Society, 2020, 10 (11), pp.5964--5972. ⟨10.1021/acscatal.0c00127⟩
ACS Catalysis, 2020, 10 (11), pp.5964--5972. ⟨10.1021/acscatal.0c00127⟩
International audience; NHC-capped β-cyclodextrin (β-ICyD) was used as a ligand for gold-catalyzed alkoxycyclization reactions. The cavity was found to be responsible for a triple selectivity: (i) the asymmetric shape of the cavity of β-ICyD induc
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::9203eed05a2e9daf902f33acce4055fa
https://hal.archives-ouvertes.fr/hal-02885939
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10
Enhancement of Suzuki–Miyaura coupling reaction by photocatalytic palladium nanoparticles anchored to TiO2 under visible light irradiation
Autor: Mona Hosseini-Sarvari, Mehdi Koohgard
Publikováno v: Catalysis Communications. 111:10-15
Plasmonic property and catalytic performance of Pd anchored to TiO2 for Suzuki−Miyaura coupling (SMC) reactions are reported. Different from previous reports, this semiconductor with band gap ≥3 eV can afford C C bond formation for SMC. Nano Pd/T
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::f538eae14f1f3b9a73e942789ce933d9
https://doi.org/10.1016/j.catcom.2018.03.026
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