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Published on: May 26, 2019
Insertion reactions involving a triamidoamine-supported zirconium complex
Sarah Leshinski1, Tamila Shalumova, Joseph M Tanski
1Department of Chemistry, University of Vermont, Burlington, VT 05405, USA.
This study explores the reactivity of a zirconium complex with small molecules. The complex undergoes insertion reactions, forming new bonds and ring-expanded products.
Area of Science:
- Organometallic Chemistry
- Coordination Chemistry
- Zirconium Complexes
Background:
- Triamidoamine ligands are versatile in stabilizing metal complexes.
- Zirconium complexes are known for their catalytic and synthetic applications.
Purpose of the Study:
- To investigate the reactivity of a specific triamidoamine-supported zirconium complex.
- To explore the reaction pathways with various polar, small-molecule substrates.
Main Methods:
- Synthesis and characterization of the zirconium complex.
- Reactions with isocyanides, organic azides, carbodiimides, nitriles, and ketones.
- Structural determination of key reaction products using X-ray crystallography.
Main Results:
- The zirconium complex reacts with small molecules via 1,1- or 1,2-insertion into the Zr-C bond.
- New ring-expanded products containing Zr-C, Zr-N, and Zr-O bonds were formed.
- Solid-state structures of representative 1,1- and 1,2-insertion products were determined.
Conclusions:
- The triamidoamine-supported zirconium complex exhibits diverse reactivity towards small polar molecules.
- Insertion reactions provide access to novel organometallic structures with potential applications in synthesis.
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