oxidation of benzyl alcohol
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2022 ◽  
Vol 571 ◽  
pp. 151284
Author(s):  
Ying Zhang ◽  
Ziran Liu ◽  
Changyan Guo ◽  
Tingxiang Chen ◽  
Cheng Guo ◽  
...  

RSC Advances ◽  
2022 ◽  
Vol 12 (3) ◽  
pp. 1384-1392
Author(s):  
Jingjie Luo ◽  
Fengxiang Shan ◽  
Sihan Yang ◽  
Yixue Zhou ◽  
Changhai Liang

In this work, a series of colloidal gold nanoparticles with controllable sizes and CeO2 promotion were anchored on carbon nanotubes (CNT) for the aerobic oxidation of benzyl alcohol.


2021 ◽  
Author(s):  
kun Zhang ◽  
Liu-Xi Zheng ◽  
Bo Peng

Thiol-modified dendritic mesoporous silica nanospheres (DMSNs) supported Au catalyst were facilely prepared and used in gas-phase selective oxidation of benzyl alcohol with O2 as the oxidant. The Au/DMSNs-4.4%SH catalyst with low loading of Au (~2%) and proper amount of thiol ligand (~4.4%) achieved high conversion of benzyl alcohol (Conv. 91%) and selectivity for benzaldehyde (Sel. 98%) and unprecedented lifetime up to 820 h at 250 °C. The dramatically increased lifetime is the consequence of the strong stabilization of active gold nanoparticles by thiol ligand and the effective mass diffusion of DMSNs with opened three-dimensional mesoporous networks.


Catalysts ◽  
2021 ◽  
Vol 12 (1) ◽  
pp. 20
Author(s):  
Seyed Sepehr Moeini ◽  
Umberto Pasqual Laverdura ◽  
Eleonora Marconi ◽  
Nicola Lisi ◽  
Emanuele Serra ◽  
...  

Catalytic aerobic oxidation of benzyl alcohol (BnOH) to benzaldehyde (PhCHO) over supported noble metal catalysts has grabbed the attention of researchers due to the critical role of PhCHO in numerous industrial syntheses. In the present study, a novel catalyst, Pd-P alloy supported on aminopropyl-functionalized mesoporous silica (NH2-SiO2), was prepared through in situ reduction and characterized by BET-BJH analysis, SEM, TEM, XRD, FTIR, TG-DTA, and XPS. Chemical properties and catalytic performance of Pd-P/NH2-SiO2 were compared with those of Pd0 nanoparticles (NPs) deposited on the same support. Over Pd-P/NH2-SiO2, the BnOH conversion to PhCHO was much higher than over Pd0/NH2-SiO2, and significantly influenced by the nature of solvent, reaching 57% in toluene at 111 °C, with 63% selectivity. Using pure oxygen as an oxidant in the same conditions, the BnOH conversion increased up to 78%, with 66% selectivity. The role of phosphorous in improving the activity may consist of the strong interaction with Pd that favours metal dispersion and lowers Pd electron density.


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