Catalytic transformation of CO2, from a harmful greenhouse gas into useful organic compounds, has received considerable attention as a cheap and abundant carbon source. Although a variety of catalytic systems have been reported for CO2 fixation, transition-metal-catalysed carboxylation of alkenes to generate carboxylic acids, a biologically important class of organic molecule, has remained relatively unexplored. Building upon recent work by Greenhalgh and Thomas (J. Am. Chem. Soc. 134 , 11900) illustrating the success of iron complexes ligated by the pyridinediimine (PDI) pincer for styrene carboxylation, we have designed a new multifunctional PDI-phosphite ligand framework capable of forming heterobimetallic complexes. Preliminary insights into the scope and mechanism of alkene carboxylation will be discussed.

Heterobimetallic complexes for catalytic alkene carboxyatlion

247th National Meeting (2014)

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