Tris(pyrazolyl)hydroborato and tris(2-pyridylthio)methyl ligands, namely [Tpt-Bu,Me] and [Tptm], afford suitable platforms for investigating the chemistry of main group metals such as zinc and magnesium. For example, the zinc hydride compound, [Tptm]ZnH, is a catalyst for hydrosilylation of a variety of carbonyl compounds, including CO2. In addition, [Tptm]ZnH can be used to prepare other novel zinc compounds, such as the zinc fluoride compound, [Tptm]ZnF, which serves as an effective hydrogen bond and halogen bond acceptor. The tris(pyrazolyl)hydroborato zinc and magnesium fluoride compounds, [Tpt-Bu,Me]ZnF and [Tpt-Bu,Me]MgF, likewise serve as hydrogen bond and halogen bond acceptors and have also been shown to be capable of C–F bond formation reactions.

Applications of tetradentate and tridentate tripodal ligands for catalytic and stoichiometric transformations involving zinc and magnesium

251st National Meeting (2016)

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