Catalyst Editing via Post-Synthetic Functionalization by Phosphonium Generation and Anion Exchange for Nickel-Catalyzed Ethylene/Acrylate Copolymerization
Rapid, efficient development of homogeneous catalysts featuring desired performance is critical to numerous catalytic transformations but remains a key challenge. Typically, this task relies heavily on ligand design that is often based on trial and error. Herein, we demonstrate a “catalyst editing”...
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Veröffentlicht in: | Journal of the American Chemical Society 2024-07, Vol.146 (28), p.18797-18803 |
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container_title | Journal of the American Chemical Society |
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creator | Ghana, Priyabrata Xiong, Shuoyan Tekpor, Adjeoda Bailey, Brad C. Spinney, Heather A. Henderson, Briana S. Agapie, Theodor |
description | Rapid, efficient development of homogeneous catalysts featuring desired performance is critical to numerous catalytic transformations but remains a key challenge. Typically, this task relies heavily on ligand design that is often based on trial and error. Herein, we demonstrate a “catalyst editing” strategy in Ni-catalyzed ethylene/acrylate copolymerization. Specifically, alkylation of a pendant phosphine followed by anion exchange provides a high yield strategy for a large number of cationic Ni phosphonium catalysts with varying electronic and steric profiles. These catalysts are highly active in ethylene/acrylate copolymerization, and their behaviors are correlated with the electrophile and the anion used in late-stage functionalization. |
doi_str_mv | 10.1021/jacs.4c03416 |
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subjects | alkylation anion exchange catalysts copolymerization ethylene Lewis acids ligands phosphine |
title | Catalyst Editing via Post-Synthetic Functionalization by Phosphonium Generation and Anion Exchange for Nickel-Catalyzed Ethylene/Acrylate Copolymerization |
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