Palladium PEPPSI-IPr Complex Supported on a Calix[8]arene: A New Catalyst for Efficient Suzuki–Miyaura Coupling of Aryl Chlorides - CNRS - Centre national de la recherche scientifique Accéder directement au contenu
Article Dans Une Revue Catalysts Année : 2020

Palladium PEPPSI-IPr Complex Supported on a Calix[8]arene: A New Catalyst for Efficient Suzuki–Miyaura Coupling of Aryl Chlorides

Julien Buendia
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Diana Dragoe
Cyril Martini
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Vincent Huc

Résumé

We report here the synthesis and characterization of a new calix[8]arene-supported PEPPSI-IPr Pd polymetallic complex. This complex, showing greater steric hindrance around the Pd centers compared with previous calix[8]arene-based catalysts, demonstrated high reactivity and selectivity for the Suzuki-Miyaura coupling of aryl chlorides under mild conditions. Along with this good performance, the new catalyst showed low Pd leaching into the final Suzuki-Miyaura coupling products, indicative of a heterogeneous-type reactivity. This rare combination of good reactivity towards challenging substrates and low metal leaching offers great promise at both academic and industrial levels.

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Chimie
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Dates et versions

hal-03052954 , version 1 (10-12-2020)

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Axel Labattut, Ibrahim Abdellah, Julien Buendia, Sandra Abi Fayssal, Erika Adhel, et al.. Palladium PEPPSI-IPr Complex Supported on a Calix[8]arene: A New Catalyst for Efficient Suzuki–Miyaura Coupling of Aryl Chlorides. Catalysts, 2020, 10 (9), pp.1081. ⟨10.3390/catal10091081⟩. ⟨hal-03052954⟩
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