Heterogeneous catalyst design is often hampered by a lack of precise information about the molecular identity of the active sites. Synthesizing model catalysts with control of the local structure allows us to interrogate the active sites about their interactions with reactants and products, including activation and deactivation processes. The approach has proven particularly fruitful for dispersed metal oxides, in which the active site consists of a single metal ion interacting with an oxide support. This talk will describe our efforts to construct and interrogate oxide-supported active sites for olefin polymerization and metathesis using simple molecular precursors such as VCl<sub>4</sub> and TiCl<sub>4</sub>, to identify their structures and relative proximities, and to relate these structures to reactivity in catalytic transformations.

Building active sites in heterogeneous catalysts using molecular metal complexes

Macromolecular Chemistry: The Second Century

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ACS Spring 2020 National Meeting & Expo

The official archive and repository for all ACS Meetings & Expositions abstracts and select posters or presentations.