Title :

Direct aerobic oxidation of monoalcohol and diols to acetals using tandem ru@mof catalysts

Author(s) :

Zhang, Songwei [Auteur]
Li, Jerry Pui Ho [Auteur]
Zhao, Jingpeng [Auteur]
Wu, Dan [Auteur]
Yuan, Biao [Auteur]
Hernandez, Willinton Yesid [Auteur]
Zhou, Wen-Juan [Auteur]
He, Tao [Auteur]
Yu, Yi [Auteur]
Yang, Yong [Auteur]
Ordomsky, Vitaly [Auteur]
Unité de Catalyse et Chimie du Solide (UCCS) - UMR 8181
Li, Tao [Auteur]

Journal title :

Nano research

Abbreviated title :

Nano Res.

Publication date :

2020-03-13

ISSN :

1998-0124

English keyword(s) :

alcohols
aerobic oxidation
Ru nanoparticles
metal-organic framework
acetalization

HAL domain(s) :

Chimie/Catalyse

English abstract : [en]

The aerobic oxidation of monoalcohols and diols to acetals is an important academic and industrial challenge for the production of fine chemicals and intermediates. The existing methods usually rely on a two-step process ...
Show more >The aerobic oxidation of monoalcohols and diols to acetals is an important academic and industrial challenge for the production of fine chemicals and intermediates. The existing methods usually rely on a two-step process in which alcohols are first oxidized to aldehydes over metal catalysts (Ru, Pt, Pd) and then acetalized using acids. Due to the instability of aldehydes, how to avoid over-oxidation to their respective carboxylic acids and esters is a long-standing challenge. For this reason, certain non-conjugated dialdehydes have never been successfully produced from diol oxidation. Hereby we report a Ru@metal-organic framework (MOF) tandem catalyst containing ultra-fine Ru nanoparticles (< 2 nm) for direct alcohol to acetal conversion of monoalcohol and diols with no formation of carboxylic acids. Mechanistic study reveals that the presence of Lewis acid sites in the MOF work in concert with Ru active sites to promptly convert aldehydes to acetals thereby effectively suppressing the formation of over-oxidation byproducts.Show less >

Language :

Anglais

Audience :

Internationale

Popular science :

Non

Administrative institution(s) :

CNRS
Centrale Lille
ENSCL
Univ. Artois
Université de Lille

Collections :

• Unité de Catalyse et Chimie du Solide (UCCS) - UMR 8181

Research team(s) :

Catalyse pour l’énergie et la synthèse de molécules plateforme (CEMOP)

Submission date :

2022-03-02T07:14:55Z