This talk will discuss the synthesis and chemical reactivity of aluminum complexes of the phenyl-substituted bis(imino)pyridine ligand (denoted as PhI2P). We demonstrate that the two-electron reduced ligand in these Al complexes can mediate both proton transfer reactions. Some examples of the reactivity that is mediated by this process includes the dehydrogenation of formic acid to CO2 and H2, the dehydrogenation of alcohols to aldehydes and esters. The reduced I2P ligands can also mediate reactions involving both ligand-based electron and proton transfer. An example of this process is the reduction of protons to H2 that is carried out by (I2P2-)Al(THF)Cl from two protons and two equivalents of reductant. Other examples of small molecule reduction chemistry will also be discussed.

Ligand cooperation in the chemistry of small molecules mediated by aluminum complexes

249th National Meeting (2015)

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