Industrial catalysis involves the use of second and third row transition metals due to their highly reactive nature and ability to donate electrons. The low abundance and high cost of these metals increases the need for an economical and sustainable alternative. In order to investigate first row transition metals as viable substitutes, a family of N2P2 ligands has been synthesized. The N2P2 binding pocket is created from a β-diketiminate backbone connected to phosphine pendant arms using phenyl linkers. The ligands have been metallated with late first row transition metals Co(II), Ni (II), Cu(I) and Zn(II). Additionally, the influence of sterics on the ligand binding mode has been investigated by introducing methyl and dimethyl substituents on the phenyl linkers. From characterization methods, a wide range of geometries and binding modes of the first row transition metal complexes will be discussed.

Characterization of substituted N2P2 first row transition metal complexes

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