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The University of Southampton

Solid–State Molecular Organometallic Synthesis and Catalysis Seminar

15 March 2017
Building 27, Room 2001 (Chemistry), University of Southampton

For more information regarding this seminar, please email Dr Jon Kitchen at .

Event details

Prof. Andrew Weller (University of Oxford, UK) received the RSC Frankland Award for his significant and innovative contributions to the synthesis of, and catalysis with, organometallic complexes containing C-H or B-H sigma interactions, in particular transition metal alkane complexes and the dehydrocoupling of amine-boranes.

Organometallic Chemistry is dominated by structures, transformations and catalysis that occur in the solution phase. However, this is not always the most desirable phase to operate in. For example: when catalysis requires separation of catalyst and substrates/products, selectivity in transformations that is promoted by solid–state effects is required, when solvent reacts unfavorably with the metal complex or when the host–guest properties of crystalline lattices encourage the formation of complexes that are difficult to prepare in solution phase. This talk will outline recent investigations that explore the use of cationic group 9 phosphine complexes in Solid–State Molecular Organometallic Synthesis and Catalysis (SMOM-systems). In particular the synthesis, solid–state characterisation (by single crystal X-ray diffraction, power diffraction, solid–state NMR spectroscopy) and onward reactivity of transition metal alkane complexes will be discussed. It will be shown that by careful manipulation of the steric and electronic environment around the metal centre, and control of the thermodynamics/kinetics leading to onward reaction, a number of alkane coordination complexes can be readily synthesized, some of which show remarkable stability on the solid–state. Their use in C–H activation processes and catalysis is discussed.

Speaker information

Prof Andrew Weller, University of Oxford. Andrew Weller is a Professor of Chemistry at the University of Oxford and a fellow of Magdalen College. He moved to Oxford in 2007, after starting his independent career at the University Bath in 1999 as a Royal Society University Research Fellow. He is a currently holder of an EPSRC Established Career Fellowship (2015-2020). Research in the Weller group is based upon synthetic organometallic chemistry, and in particular the generation and stabilisation of transition metal complexes with a low coordination number or which are "operationally unsaturated". Through this he made contributions to topics related to catalysis; in particular the involvement of C-H, B-H and C-C sigma complexes in bond activation processes. Weller was the recipient of the inaugural Dalton Transactions European Lectureship award 2008. He was a Peter Wall Institute for Advanced Studies Visiting Scholar, UBC, Canada (2013/2014); the Howard Fellow, University New South Wales, Australia (2015); visiting Professor University of Perugia (2015), and a Vielberth-Fellow, University of Regensburg (2016).

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