The coordination chemistry and reactivity of bidentate monoanionic, b-diketiminate ligands are well established. Their ability to stabilize low-coordinate metal complexes utilizing bulky substituents results in highly reactive species that can activate small molecules such as N2 and O2. A limitation of b-diketiminate ligands is the susceptibility of the central methine position to electrophilic attack. Substitution at this backbone position (e.g., with a phenyl ring) eliminates this inherent weakness. An asymmetric anilino-pyridine framework that can be varied at the amine position as well as along the pyridine ring provides steric rigidity, electron delocalization, and unique structural effects depending on the substituents. Herein we present the synthesis of a set of asymmetric anilino-pyridine ligands and their coordination chemistry with various late transition metals.

Anilino-pyridine ligand framework: Steric and electronic effects on the coordination chemistry to late transition metals

2019 Fall National Meeting

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