The accelerating growth of CO2 levels in the Earth's atmosphere presents the necessary challenge of removing this greenhouse gas in an efficient and practical manner. The work presented here involves the studies related to the homogeneous reverse water-gas shift reaction for the purpose of converting CO2 into more useful C1 products. The strategy of tandem catalysis was employed by utilizing M(dmpe)2(PF6)2 (M=Ni, Pt) in tandem with redox-active iron-pyridinediimine (Fe-PDI) complexes to study homogeneous reverse water-gas shift.  A series of internal (pendant) and external bases of proper pKa were investigated for their propensity to mediate the heterolytic cleavage of hydrogen gas into the corresponding metal hydride.  The resulting  hydride transfer reactions to multiple variants of FePDI complexes were investigated under CO2 as a route to form reverse water-gas shift products.

Investigations into homogeneous reverse-water gas shift reaction by an iron (II) pyridinediimine/metal phosphine catalyst system

248th National Meeting (2014)

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