Determination of the catalytic activity of a rhenium bisdithiolene complex as a homogeneous and heterogeneous catalyst for oxygen atom transfer

CHED 1198

Timothy H. Zauche, zauchet@uwplatt.edu, Rebecca L. Johnson, johnreb3@uwplatt.edu, Miranda R. Meyer, meyermir@uwplatt.edu, and Timothy P. Schuldes, schuldet@uwplatt.edu. Chemistry and Engineering Physics, University of Wisconsin (Platteville), 1 University Plaza, Platteville, WI 53818
Oxygen Atom Transfer reactions (OAT) are used in many industrial applications. Due to their importance and economic benefits to society, the development and reactivity determination of new OAT catalysts would be beneficial. A cofactor used by enzymes that is being mimicked for possible OAT catalysis is molybdopterin, Moco. We have exploited Moco's primary coordination sphere with a rhenium metal center, instead of molybdenum or tungsten metals. This has brought together both the faster kinetic reactivity of rhenium with the thermal stability of the primary coordination sphere of molybdopterins. This project has also lead to a new area of study for this rhenium center: immobilization on a polymer support. This avenue is being pursued to better stabilize the catalyst from self-decomposition pathways. The kinetics of homogenous and heterogeneous catalysis by high oxidation state rhenium metal centers will be presented.
 

Undergraduate Research Poster Session: Inorganic Chemistry
2:00 PM-4:00 PM, Monday, March 26, 2007 Hyatt Regency Chicago -- Riverside Center, Poster

Division of Chemical Education

The 233rd ACS National Meeting, Chicago, IL, March 25-29, 2007