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The University of Southampton
Chemistry

Research project: Evans: Mechanisms of homogeneous catalysis reactions

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The mechanisms of relatively few homogeneous catalysis systems are well understood. By using a combination of spectroscopic and kinetic techniques, the structures of the main species are the pathways of their reactions can be investigated. Focus is on C-C bond forming reactions, including palladium catalysed Heck (See scheme) and Stille reactions and alkene oligomerisations

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Fourier transforms of Cr K-edge EXAFS of [CrCl3(PNP)(thf)] before and after activation with AlMe3.

We are developing new sampling methods to investigate the structures of these catalysts in solution as they are activated, operate and end their cycles of activity. A rapid mixing techniques, stopped flow, will form the basis of X-ray absorption and uv-visible spectroscopic characterisation. This new project is in collaboration with Gill Reid.

Related research groups

Functional Inorganic, Materials and Supramolecular Chemistry
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