Triamidoamine-Supported Zirconium Compounds in Main Group Bond-Formation Catalysis

Accounts of Chemical Research
Rory Waterman

Abstract

The rationale to pursue long-term study of any system must be sound. Quick discoveries and emergent fields are more than temptations. They remind us to ask what are we gaining through continued study of any system. For triamidoamine-supported zirconium, there has been a great deal gained with yet more ahead. Initial study of the system taught much that is applied to catalysis. Cyclometalation of a trimethylsilyl substituent of the ancillary ligand, abbreviated (N3N) when not metalated for simplicity, via C-H bond activation is facile and highly reversible. It has allowed for the synthesis of a range of Zr-E bonds, which are of fundamental interest. More germane, cyclometalation has emerged as our primary product liberation step in catalysis. Cyclometalation also appears to be a catalyst resting state, despite how cyclometalation is a known deactivation step for many a compound in other circumstances. Catalysis with triamidoamine-supported zirconium has been rich. Rather than summarizing the breadth of reactions, a more detailed report on the dehydrocoupling of phosphines and hydrophosphination is provided. Both reactions demonstrate the outward impact that the study of (N3N)Zr-based catalysis has afforded. Dehydrocoupling catal...Continue Reading

References

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Citations

Oct 29, 2020·Chemical Communications : Chem Comm·Steven G Dannenberg, Rory Waterman
Dec 29, 2020·Journal of the American Chemical Society·Víctor Varela-IzquierdoCristina Tejel

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