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Gimeno, L., Picardi, G., Planchat, A., Knight, A. D., Chapelle, M. L. D. L., Humbert, B. & Queffelec, C. (2021) Improving the rate of the copper-catalyzed Henry reaction by surface plasmon excitation of gold nanoparticles. Catal. Sci. Technol. 
Added by: Richard Baschera (2021-11-26 11:18:11)   Last edited by: Richard Baschera (2021-11-26 11:19:08)
Type de référence: Article
DOI: 10.1039/D1CY01788H
Numéro d'identification (ISBN etc.): 2044-4761
Clé BibTeX: Gimeno2021
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Catégories: INTERNATIONAL, PMN
Créateurs: Chapelle, Gimeno, Humbert, Knight, Picardi, Planchat, Queffelec
Collection: Catal. Sci. Technol.
Consultations : 23/120
Indice de consultation : 19%
Indice de popularité : 4.75%
Liens URLs     https://pubs.rsc.o ... 2021/cy/d1cy01788h
Résumé     
Green LED plasmon excitation (525 nm) of colloidal gold nanoparticles (NPs), onto which a copper(II) complex was grafted, in the presence of nitrobenzaldehyde and nitromethane in DMF lead to the formation of the corresponding nitroaldol with high efficiency. Kinetic studies using 1H NMR and Raman spectroscopies showed that the reaction was faster under irradiation with green light, especially when in close proximity to the NPs (ca. 100% conversion after 100 min). After reaction completion, it was possible to recover the nanocatalyst and run two subsequent reactions. Green LED excitation of plasmonic nanocatalyst is shown to be a straightforward and efficient method for accelerating the rate of the Henry reaction with a lower energy demand and over a shorter reaction time when compared to the reaction performed under classical conditions.
  
Notes     
Publisher: The Royal Society of Chemistry
  
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