Details of Grant 

EPSRC Reference:	EP/T019743/1
Title:	Dual Unsaturated Transition Metal-Main Group (TM-M') Heterobimetallic Complexes for Cooperative Reactivity and Catalysis
Principal Investigator:	Whittlesey, Professor M
Other Investigators:
Researcher Co-Investigators:
Project Partners:
Department:	Chemistry
Organisation:	University of Bath
Scheme:	Standard Research
Starts:	06 July 2020	Ends:	05 July 2023	Value (£):	427,065
EPSRC Research Topic Classifications:	Catalysis & Applied Catalysis Chemical Synthetic Methodology Co-ordination Chemistry
EPSRC Industrial Sector Classifications:	No relevance to Underpinning Sectors
Related Grants:	EP/T019867/1
Panel History:	Panel Date Panel Name Outcome 22 Jan 2020 EPSRC Physical Sciences - January 2020 Announced
Summary on Grant Application Form
The transformation of organic molecules is central to the production of the commodities, materials and fine chemicals (such as pharmaceuticals) that underpin modern society. Much research in academic and industrial chemistry is focused on improving the processes by which these products are formed, as well as on designing new transformations to access new products. Efficiencies can be achieved by lowering energy requirements, reducing the number of steps involved, improving process selectivities, or simplifying product separation and purification. These features all serve to reduce the economic costs and environmental impact of production. Improved or new catalytic processes have a very significant impact when implemented by the UK chemicals sector, a major contributor to the UK economy that has an annual turnover of £60 billion, sustains 500,000 jobs and an annual trade surplus of £5 billion. >90% of chemicals and pharmaceuticals involve the use of a catalyst in their manufacture. Catalysts work by bringing molecules together and enabling their transformation with reduced energy costs and often improved selectivity. Moreover, the catalyst is unchanged in this process and so can be recycled many times. Catalysis is therefore central to the design of more sustainable processes that will have reduced environmental impact, as greater efficiency results from the ability to start from alternative, more readily available feedstocks, leads to lower energy usage and reductions in waste. This project explores the design of new complexes with potential in homogeneous catalysis. Homogeneous catalysts generally involve a single central transition metal which acts as the site of reaction and which is surrounded by a number of ligands that control the efficiency and selectivity of the process. More recently cooperative catalysts have been designed where both the metal and a ligand participate directly in the reaction. Another class of cooperative catalyst features two metal centres working in tandem to provide new reactivity and catalysis. These new classes of catalyst have all emerged from curiosity-driven, fundamental research and have served to broaden the pool of catalysts available for applications in synthesis. These have then been taken on by more applied research in academia and industry to exploit in the design of more efficient and new catalytic processes at scale. In this project we will study a new generation of complexes in which a transition metal (TM = Ru, Rh, Pt...) is directly bound to a main group metal (M' = Zn, Mg, Al...). The properties of these two types of metal centres are very different and in isolation they promote very different reactivity and catalysis. We hypothesize that in combination these new 'heterobimetallic' complexes will promote new reactivity that cannot otherwise be accessed. Preliminary results have shown that we have a very simple and extremely general strategy to the synthesis of these new TM-M' complexes using a suite of building blocks that are readily, and often commercially, available. There is therefore the potential to make a very large number of new TM-M' complexes. In order to guide our work, we will combine an experimental chemistry approach with computational modelling to provide an understanding how these heterobimetallic complexes promote reactivity. Modelling will then be used to predict stability and reactivity, allowing us to focus our experimental work on those combinations with the most attractive features (high reactivity, high selectivity etc.). We will then assess the ability of these new complexes to promote catalytic reactions and in doing so will add to the pool of catalysts that are available for possible exploitation by applied research in academia and industry.
Key Findings
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Potential use in non-academic contexts
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Organisation Website:	http://www.bath.ac.uk