Oxidation of benzyl alcohol over metal organic frameworks M-BTC (M = Co, Cu, Fe)

Peng, Ling; Wu, Shujie; Yang, Xiaocui; Hu, Jing; Fu, Xiaoran; Li, Min; Bai, Lu; Huo, Qisheng; Guan, Jingqi

doi:10.1039/c7nj00588a

Cited by 40 publications

(16 citation statements)

References 30 publications

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“…In this way, a series of MOFs with cobalt, copper and iron as central metal ions and BTC as a ligand were synthesized (denoted M-BTC) and their activity was tested in the selective oxidation of BA. 68 The extended framework of M-BTC (M = Co, Cu, Fe) is established through linked metal centres and BTC ligands. 84 The BTC ligand acts as a trigonal planar ligand connecting the diatomic metal clusters with an open framework ( Figure 16).…”

Section: Metal Nodes As Active Centresmentioning

confidence: 99%

Tuneable nature of metal organic frameworks as heterogeneous solid catalysts for alcohol oxidation

2017

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Selective benzyl alcohol oxidation (BA) to benzaldehyde has been frequently used as a benchmark reaction to evaluate the catalytic activity of metal organic frameworks (MOFs) as oxidation catalysts. Substituted BAs, and aliphatic and allylic alcohols have also been often used as substrates in these studies. In the present review, the current state of the art of MOFs as heterogeneous catalysts for the oxidation of BA and other alcohols is described, grouping the reports according to the nature of the active sites present on the MOFs. Thus, MOFs in which the catalytic centres are located at the ligands, at metallic nodes, or at metal nanoparticles (MNPs) incorporated within the MOF pores and photoassisted oxidations have been commented on. The aim of this review is to stress the current limitations encountered in the use of MOFs, particularly with respect to MOF stability and activity and propose new targets in the area.

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Section: Metal Nodes As Active Centresmentioning

confidence: 99%

Tuneable nature of metal organic frameworks as heterogeneous solid catalysts for alcohol oxidation

2017

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“…While Z-1200 and F-300 promote the selective benzoin oxidation although in low yields, 50 and 40% respectively, after 4 h of the reaction time, C-300 barely catalyzed the reaction, the results being comparable to those obtained for the uncatalyzed process. In this regard, Cu-BTC and Fe-BTC have been recently reported in the oxidation of benzyl alcohol, in air flow using DMF as solvent, at 95 °C, yielding benzaldehyde with lower conversions values (Cu-BTC > Fe-BTC) but excellent selectivity (up to 99 %) [35]. In our case, the obtained results could be as consequence of the texture and porosity of the samples.…”

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confidence: 51%

Basolites: A type of Metal Organic Frameworks highly efficient in the one-pot synthesis of quinoxalines from α-hydroxy ketones under aerobic conditions

et al. 2020

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“…For instance, Cu-TMA has several characteristic peaks at 760 and 1446 cm −1 , corresponding to Cu−O 26 and CO, 27 respectively. In addition, both peaks at 1615 and 1642 cm −1 can be ascribed to CO, 19,28,29 originating from the carboxyl group in TMA coordinated with the Cu sites. On the other hand, Cu-BDC has several characteristic peaks at 566, 1022, and 1288 cm −1 , which can be assigned to Cu−O, 30 C−H, 31,32 and C−C, 33 respectively.…”

Section: ■ Results and Discussionmentioning

confidence: 99%

Synthesis of Cu-Trimesic Acid/Cu-1,4-Benzenedioic Acid via Microdroplets: Role of Component Compositions

Wang

2018

Crystal Growth & Design

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Mixed-linker metal−organic frameworks (MOFs) offer great tunability in both pore structures and surface chemistry. This study reports the synthesis and characterization of model mixed-linker MOFs (i.e., Cu-TMA/Cu-BDC; BDC = 1,4-benzenedioic acid, TMA = trimesic acid) via a microdropletbased spray process, to unravel the relationship between the properties of mixed-linker MOFs and the component compositions. The as-prepared mixed-linker MOFs exhibited distinct properties in terms of morphology, crystalline phase, surface chemistry, and pore structure. In particular, two-dimensional correlation spectroscopy (2D-COS) analysis was conducted to analyze the correlational features among surface functional groups, which are unattainable from traditional infrared and Raman spectra. The results from the 2D-COS analysis also suggest that the surface chemistry of the mixed-linker MOFs is adjustable by controlling the precursor conditions. Measurements of CO 2 adsorption on the mixed-linker MOFs demonstrated the tunability of the preferential adsorption sites and adsorption kinetics. All the above-mentioned information implies that synthetic parameters can be varied to optimize the performance of the mixed-linker MOFs. The outcome of this study offers new insights into the synthetic chemistry of mixed-linker MOFs in a microdroplet-based spray process.

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Oxidation of benzyl alcohol over metal organic frameworks M-BTC (M = Co, Cu, Fe)

Abstract: Co-BTC showed high catalytic activity and selectivity in the oxidation of benzyl alcohol with air as the oxidant.

Cited by 40 publications

References 30 publications

Tuneable nature of metal organic frameworks as heterogeneous solid catalysts for alcohol oxidation

Tuneable nature of metal organic frameworks as heterogeneous solid catalysts for alcohol oxidation

Basolites: A type of Metal Organic Frameworks highly efficient in the one-pot synthesis of quinoxalines from α-hydroxy ketones under aerobic conditions

Synthesis of Cu-Trimesic Acid/Cu-1,4-Benzenedioic Acid via Microdroplets: Role of Component Compositions

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