Incorporation of charged moieties into a ligand’s structure is a traditional method for creating organometallic complexes for application in aqueous catalysis. In accordance with this practice, a series of pyridinium substituted imidazolium salt pre-ligands were synthesized with small variations in location and magnitude of the charge on the pre-ligand. These small variations were determined to have a substantial impact on the formation of the Pd-NHC complex. A theoretical basis for the reactivity observed will be presented along with the synthesis and structure of the pre-ligands and the resulting Pd-NHC complexes. Catalytic activity of the isolated Pd-NHC complexes will also be discussed.

Pyridinium substituted Pd-NHC complexes: Synthesis, structure, and catalytic activity

2019 Spring National Meeting

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