Three-Coordinate Zinc Methyl Complexes with Sterically Demanding Formazanate Ligands

Folkert de Vries, Raquel Travieso-Puente, Peter Roewen, Edwin Otten*

*Corresponding author voor dit werk

OnderzoeksoutputAcademicpeer review

5 Citaten (Scopus)
150 Downloads (Pure)

Samenvatting

A series of heteroleptic three-coordinate mono(formazanate)zinc methyl complexes were synthesized, and the influence of the ligand on the structure as well as redox and optical properties of these complexes was investigated. The heteroleptic mono(formazanate)zinc methyl complexes were found to show ligand redistribution in solution, reminiscent of the Schlenk equilibrium, to generate an equilibrium mixture containing the corresponding homoleptic complexes as well. Monitoring the approach to equilibrium by NMR spectroscopy in benzene-d(6) allowed determination of the forward and backward rate constants. A correlation was found between the steric environment around the zinc center and equilibrium concentration of (formazanate)zinc methyl compounds, whereas the kinetics for approach to equilibrium are also dependent on the electronic properties.

Originele taal-2English
Pagina's (van-tot)63-71
Aantal pagina's9
TijdschriftOrganometallics
Volume40
Nummer van het tijdschrift1
DOI's
StatusPublished - 11-jan.-2021

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