2024
DOI: 10.1002/aoc.7438
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Immobilized transition metal (II) bis–imine chelate on ZnO@TiO2 nanoparticles as sufficient catalysts for alcohol oxidation and for α,β‐cinnamic acid decarboxylative bromination

Mohamed Shaker S. Adam,
Amel Taha,
Abdelrahman T. Hereba
et al.

Abstract: Based on the strong coordination ability of substituted imines towards transition metals of different oxidation states, the coordination of the HL imine ligand with the Cu2+ ion to form the Cu–bis–imine complex was achieved in 2:1 molar ratios. Their structures were confirmed with various spectroscopic tools. Heterogeneously, CuL2 was successfully appended on ZnO@TiO2 nanoparticles, as the less harmful materials, within the deprotonated p‐hydroxy chain of the bonded ligand in CuL2. The surface and internal str… Show more

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Cited by 4 publications
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“…Although GOase and a significant portion of its bioinspired metal complexes usually have their catalytic activity evaluated in homogenous media, the development of heterogeneous catalysts employed in BnOH oxidation has been described. Inorganic platforms such as zeolites [ 15 ], noble metal nanoparticles [ 16 , 17 , 18 ], amorphous and mesoporous SiO 2 [ 19 ], copper(II) dopped phyllosilicates [ 20 ], alkali-earth metal oxide [ 21 ], Al 2 O 3 [ 22 ] and transition metal oxides [ 23 , 24 , 25 ] have been used in catalytic studies. Another particularly interesting material used to anchor catalysts is SiO 2 -coated magnetic Fe 3 O 4 nanoparticles [ 26 ].…”
Section: Introductionmentioning
confidence: 99%
“…Although GOase and a significant portion of its bioinspired metal complexes usually have their catalytic activity evaluated in homogenous media, the development of heterogeneous catalysts employed in BnOH oxidation has been described. Inorganic platforms such as zeolites [ 15 ], noble metal nanoparticles [ 16 , 17 , 18 ], amorphous and mesoporous SiO 2 [ 19 ], copper(II) dopped phyllosilicates [ 20 ], alkali-earth metal oxide [ 21 ], Al 2 O 3 [ 22 ] and transition metal oxides [ 23 , 24 , 25 ] have been used in catalytic studies. Another particularly interesting material used to anchor catalysts is SiO 2 -coated magnetic Fe 3 O 4 nanoparticles [ 26 ].…”
Section: Introductionmentioning
confidence: 99%