Journal
CATALYSIS LETTERS
Volume 152, Issue 10, Pages 2933-2946Publisher
SPRINGER
DOI: 10.1007/s10562-021-03914-z
Keywords
Catalysis; Chitosan derivative; Nanoparticles; Palladium; Organic synthesis; Hybrid materials
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Funding
- CNPq [404744/2018-4, 303872/2019-5]
- Coordenacao de Aperfeicoamento de Pessoal de Nivel Superior, Brazil (CAPES/Proap) [001]
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In this study, we investigated the activation and stabilization of Pd nanoparticles using chitosan microparticles functionalized with phosphine moieties. The catalytic activity of the prepared material was evaluated in Heck reactions, showing promising results in terms of yields and reaction scope. Comparative experiments confirmed the superiority of the phosphine-modified material compared to a similar catalyst derived from non-functionalized chitosan. Furthermore, the prepared catalyst exhibited considerable activity even after four consecutive reaction runs, with minimal Pd leaching.
Herein, we investigated the activation and stabilization of Pd nanoparticles using microparticles of chitosan-functionalized with phosphine moieties. The catalytic activity of the prepared material was assessed in a series of Heck reactions, which demonstrated the potential of our catalyst concerning yields and reaction scope. Comparative experiments confirmed the superior performance of the phosphine-modified material with respect to a similar catalyst derived from non-functionalized chitosan. Finally, the prepared catalyst also exhibited appreciable activity even after four consecutive reaction runs, with minimal loss of Pd by leaching. [GRAPHICS] .
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