Laser-driven heterogeneous catalysis: efficient amide formation catalysed by Au/SiO2 systems

Antonio Pineda; Leyre Gomez; Alina M. Balu; Victor Sebastian; Manuel Ojeda; Manuel Arruebo; Antonio A. Romero; Jesus Santamaria; Rafael Luque

doi:10.1039/C3GC40166A

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Laser-driven heterogeneous catalysis: efficient amide formation catalysed by Au/SiO₂ systems†

Antonio Pineda,^a Leyre Gomez,^b Alina M. Balu,^a Victor Sebastian,^b Manuel Ojeda,^a Manuel Arruebo,^b Antonio A. Romero,^a Jesus Santamaria^b and Rafael Luque*^a

Author affiliations

* Corresponding authors

^a Department of Organic Chemistry, Marie Curie Building, Ctra Nnal IV-A Km 396, University of Córdoba, E14014 Córdoba, Spain
E-mail: q62alsor@uco.es

^b Department of Chemical Engineering and Aragon Institute of Nanoscience (INA), Campus Río Ebro – Edificio I+D, C/Mariano Esquillor s/n, University of Zaragoza, 50018 Zaragoza, Spain
E-mail: jesus.santamaria@unizar.es

Abstract

A proof of concept of laser-assisted heterogeneously catalysed processes at room temperature using silica supported gold nanoparticles is reported. Au/SiO₂ nanoparticles were laser-irradiated at 532 nm (SPR maximum absorbance) to catalyse the selected reaction, namely the production of 4-benzoylmorpholine from benzaldehyde and morpholine via amide formation, for which quantitative yields to the target amide were obtained after 3–5 h of reaction. The protocol could also be extended to a tandem oxidation/amidation process which shows the potential of the proposed approach for the promotion of liquid-phase organic reactions at room temperature.

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Article information

DOI: https://doi.org/10.1039/C3GC40166A
Article type: Communication
Submitted: 21 Jan 2013
Accepted: 22 May 2013
First published: 22 May 2013

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Green Chem., 2013,15, 2043-2049

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Laser-driven heterogeneous catalysis: efficient amide formation catalysed by Au/SiO₂ systems

A. Pineda, L. Gomez, A. M. Balu, V. Sebastian, M. Ojeda, M. Arruebo, A. A. Romero, J. Santamaria and R. Luque, Green Chem., 2013, 15, 2043 DOI: 10.1039/C3GC40166A

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