Abstract
This practical exercise describes the preparation and characterization of h1-coordinated pyrazole and 3,5-dimethylpyrazole nickel species and the investigation of their reactions with triethylamine. The latter reaction provides a route to preparing a polymer with bridging pyrazolato ligands, coordinating in an exobidentate (N, N´) fashion. We use this experiment, with undergraduate chemistry students, as part of a course providing an introduction to coordination chemistry. The exercise could be extended to take the form of an individual or class project. Suggestions for variations on the described experiment are included.
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