Title :

3D-Printed Cyclodextrin Polymer Encapsulated Wells-Dawson: A Novel Catalyst for Knoevenagel Condensation Reactions.

Author(s) :

Sadjadi, S. [Auteur]
Iran University of Science and Technology [Tehran] [IUST]
Rezadoust, A. M. [Auteur]
Yaghoubi, S. [Auteur]
Alzahra University
Monflier, Eric [Auteur]
Unité de Catalyse et Chimie du Solide (UCCS) - UMR 8181
Heydari, A. [Auteur]

Journal title :

Acs Omega

Volume number :

8

Pages :

45844-45853

Publication date :

2023-12-18

ISSN :

2470-1343

HAL domain(s) :

Chimie/Catalyse

English abstract : [en]

In the pursuit of enhancing the catalytic potential of the Wells–Dawson (WD) polyoxometalate (POM) while addressing its solubility challenges, this study focuses on devising a sustainable catalyst that operates effectively ...
Show more >In the pursuit of enhancing the catalytic potential of the Wells–Dawson (WD) polyoxometalate (POM) while addressing its solubility challenges, this study focuses on devising a sustainable catalyst that operates effectively in aqueous environments. Leveraging cyclodextrin (CD) polymer chemistry in conjunction with 3D printing technology, a CD nanosponge, recognized for its interaction with POMs and molecular shuttle attributes, is synthesized as a scaffold for WD immobilization. Through integration into a 3D-printed monolith framework, the supported WD species becomes embedded within the catalyst structure, facilitating its application. Extensive characterization encompassing X-ray diffraction, thermogravimetric analysis, Fourier transform infrared, scanning electron microscopy/energy-dispersive system, elemental mapping analysis, and compression testing confirms the structural integrity and viability of the resulting catalyst. The catalytic assessment of the developed catalyst in the Knoevenagel condensation reaction within aqueous settings demonstrates enhanced reusability attributed to the encapsulation within the 3D matrix. Notably, a hot filtration test provides empirical evidence of heterogeneous catalysis mode, further underpinning the catalyst’s performance and potential for sustainable applications.Show less >

Language :

Anglais

Audience :

Internationale

Popular science :

Non

Administrative institution(s) :

Université de Lille
CNRS
Centrale Lille
ENSCL
Univ. Artois

Collections :

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

Research team(s) :

Catalyse et chimie supramoléculaire (CASU)

Submission date :

2023-12-22T02:37:59Z
2024-01-12T08:50:24Z