Mild and Rapid Light‐Driven Suzuki‐Miyaura Reactions Catalyzed by AuPd Nanoparticles in Water at Room Temperature

Organic reactions carried out in water under mild conditions are state‐of‐the‐art in terms of environmentally benign chemical processes. In this direction, plasmonic catalysis can aid in accomplishing such tasks. In the present work, cyclodextrin‐mediated AuPd bimetallic nanoparticles (NPs) were app...

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Published in:	ChemistryOpen (Weinheim) Vol. 11; no. 12; pp. e202200177 - n/a
Main Authors:	Nazar de Souza, Ana Paula, Souza Tomaso, Luiz Phelipe, S. da Silva, Vitor Alexandre, S. da Silva, Gabriel Francisco, Santos, Evelyn C. S., S. Baêta, Eustáquio, Brant de Campos, José, Carvalho, Nakédia M. F., Malta, Luiz Fernando B., Senra, Jaqueline D.
Format:	Journal Article
Language:	English
Published:	Germany John Wiley & Sons, Inc 01-12-2022 John Wiley and Sons Inc Wiley-VCH
Subjects:	Animals Au nanoparticles biaryl Bimetals Catalysis Chemical reactions Cyclodextrins Fishes Gold Intermetallic compounds Light Light diffraction Metal forming Morphology Nanoparticles Palladium Particle size Pd nanoparticles Photon correlation spectroscopy plasmonic catalysis Room temperature Temperature Water X-rays Au nanoparticles Pd nanoparticles biaryl plasmonic catalysis water
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Summary:	Organic reactions carried out in water under mild conditions are state‐of‐the‐art in terms of environmentally benign chemical processes. In this direction, plasmonic catalysis can aid in accomplishing such tasks. In the present work, cyclodextrin‐mediated AuPd bimetallic nanoparticles (NPs) were applied in room‐temperature aqueous Suzuki‐Miyaura reactions aiming at preparing biaryl products based on fluorene, isatin, benzimidazole and resorcinol, with yields of 77 % up to 95 %. AuPd NPs were revealed to be a physical mixture of Au and Pd particles circa 20 and 2 nm, respectively, through X‐ray diffraction, dynamic light scattering, UV‐Vis spectroscopy and transmission electron microscopy analyses. In a bimetallic catalytic system, Au nanoparticles of ∼20 nm function as an antenna that harvests light energy and can improve the activity of cyclodextrin‐stabilized palladium nanoparticles (c∼2 nm) for room‐temperature aqueous Suzuki‐Miyaura reaction producing organic structural cores for biological and electrooptical applications.
ISSN:	2191-1363 2191-1363
DOI:	10.1002/open.202200177