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Oxidative Coupling of Aldehydes with Alcohol for the Synthesis of Esters Promoted by Polystyrene-Supported N-Heterocyclic Carbene: Unraveling the Solvent Effect on the Catalyst Behavior Using NMR Relaxation by Di Carmine, Graziano; Ragno, Daniele; Massi, Alessandro; DâAgostino, Carmine is a Chemistry article available to read on EtoBox.

What is Oxidative Coupling of Aldehydes with Alcohol for the Synthesis of Esters Promoted by Polystyrene-Supported N-Heterocyclic Carbene: Unraveling the Solvent Effect on the Catalyst Behavior Using NMR Relaxation about?

Heterogeneous organocatalysts hold great potential as they offer practical advantages in terms of purification and reusability compared with the homogeneous counterpart. A puzzling aspect is the solvent effect on their catalytic performance. Here we propose a new approach whereby / NMR relaxation measurements are used to evaluate the strength of solvent-surface interactions in the polystyrene-supported N-heterocyclic carbene-promoted oxidation of aldehydes. The results reveal that solvents with high surface affinity lead to a decrease in catalyst activity.

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Author

Di Carmine, Graziano; Ragno, Daniele; Massi, Alessandro; DâAgostino, Carmine

Publisher

American Chemical Society; American Chemical Society (ACS); Test accounts (ISSN 1523-7060)

Published

2020

Language

EN

Field

Chemistry (Physical Sciences)