Journal of Molecular Catalysis A-chemical
Papers 9,689
1 page of 969 pages (9,689 results)
#1Albert PoaterH-Index: 57
#2Sai V. C. Vummaleti (KAUST: King Abdullah University of Science and Technology)H-Index: 17
Last. Luigi Cavallo (KAUST: King Abdullah University of Science and Technology)H-Index: 90
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Abstract Bearing the alkylation of alkene substrates using alcohol as solvent, catalysed by the cationic Ru-based catalyst [(C 6 H 6 )(PCy 3 )(CO)RuH] + , DFT calculations have been carried out to get mechanistic insights of such an environmental friendly reaction. Hard experimental conditions of Yi and coworkers [ Science 2011 , 333 , 1613] allow the formation of a C C bond between indene and ethanol. The predicted mechanism suggests a cationic Ru-alkenyl species once two equivalents of indene ...
#1Kateřina Pacultová (Technical University of Ostrava)H-Index: 12
#2Veronika Draštíková (Technical University of Ostrava)H-Index: 1
Last. Lucie Obalová (Technical University of Ostrava)H-Index: 27
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Abstract Co-Mn-Al mixed oxide and Co 3 O 4 catalysts with alkali metal promoters (K, Cs) were tested for direct NO decomposition with the aim to determine their activity and stability. The catalysts were prepared by coprecipitation with subsequent impregnation by alkali metal salts and characterized by AAS, MP-AES, XRD, N 2 physisorption and species-resolved thermal alkali desorption (SR-TAD). Long-term experiments of NO catalytic decomposition performed above the temperature of alkali metal des...
#1Claudia Rodrigues (UFSCar: Federal University of São Carlos)H-Index: 6
#2Fábio G. Delolo (UFSCar: Federal University of São Carlos)H-Index: 4
Last. Alzir A. Batista (UFSCar: Federal University of São Carlos)H-Index: 36
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Abstract In this work, the catalytic activity of ruthenium II and III complexes containing chloride, pyridine, phosphine and CO ligands was investigated in the hydroformylation – hydrogenation and hydroformylation – acetalization reactions. The complexes mer- [RuCl 3 (dppb)(H 2 O)] (1) , mer- [RuCl 3 (dppb)(4-Vpy)] (2) , mer- [RuCl 3 (dppb)(4- t Bupy)] (3) , mer- [RuCl 3 (dppb)(py)] (4) , mer- [RuCl 3 (dppb)(4-Phpy)] (5) , mer- [RuCl 3 (dppb)(4-Mepy)] (6) , cis- [RuCl 2 (CO) 2 (dppb)] (7) , tran...
#1Michael S. Webster-Gardiner (UVA: University of Virginia)H-Index: 8
#2Paige E. Piszel (UVA: University of Virginia)H-Index: 1
Last. T. Brent Gunnoe (UVA: University of Virginia)H-Index: 40
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A series of new rhodium (I) complexes supported by bidentate nitrogen-donor ligands with varying electronic and steric properties were synthesized in situ and evaluated for catalytic arene C−H/D activation. In trifluoroacetic acid (HTFA), these complexes are proposed to mediate H/D exchange of arene C−H/D bonds by an electrophilic aromatic substitution mechanism that involves Rh-mediated activation of HTFA (or DTFA). DFT calculations support the proposed pathway for the H/D exchange reactions.
#1J. Kowalska-Kus (Adam Mickiewicz University in Poznań)H-Index: 1
#2A. Held (Adam Mickiewicz University in Poznań)H-Index: 9
Last. K. Nowińska (Adam Mickiewicz University in Poznań)H-Index: 13
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Abstract Glycerol acetalization reaction with acetone was performed at 343 K and using a 1:1 molar ratio of glycerol to acetone in the feed over hierarchical zeolites comprising pores of different diameters (MFI, BEA, and MOR). The best catalytic performance for glycerol acetalization was exhibited by hierarchical (micro-mesoporous) MFI zeolites. Glycerol conversion over MFI zeolites exceeded 80%, with almost 100% selectivity to the desired product (4-hydroxymethyl-2,2-dimethyl-1,3-dioxolane kno...
#1E. Ghazalian (Islamic Azad University, Arak)H-Index: 2
#2Nahid Ghasemi (Islamic Azad University, Arak)H-Index: 18
Last. Ali Reza Amani-Ghadim (Azarbaijan Shahid Madani University)H-Index: 18
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Abstract Gadolinium (Gd)-doped silver orthophosphate (Ag 3 PO 4 ) nanoparticles, with spherical morphology, were synthesized by a co-precipitation method and their photocatalytic activities were evaluated in degradation of Reactive Blue 19 (RB19), as a model organic pollutant. The synthesized Ag 3 PO 4 and Gd-doped Ag 3 PO 4 were characterized using X-ray diffraction pattern analysis, scanning electron microscopy, energy-dispersive X-ray spectroscopy, transmission electron microscopy, diffuse re...
Abstract Herein, nickel-based metal-organic framework, Ni-MOF-74, was synthesized by a solvothermal method and its properties was characterized by a host of techniques. Ni-MOF-74 exhibited exceptional catalytic activity toward the direct arylation of azoles via C H activation while other Ni-MOFs, nickel-based heterogeneous systems, and homogeneous counter parts displayed lower activity. Optimal conditions involved the use of Li 2 CO 3 or KCl salts in diglyme solvent in 18 h and no additional lig...
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