Dr Andrew Jupp MRSC
Serendipity can give us new molecules that we had not previously considered, and trying to make the most of these opportunities from otherwise ‘failed’ reactions is hugely rewarding.
There is an urgent need to find more sustainable alternatives for catalysis to support the chemical industry of the future. Dr Andrew Jupp’s group has discovered a new method for assessing the efficiency of sustainable catalysts based on abundant elements like phosphorus, nitrogen and boron.
Catalysts are compounds that are widely used in industry to make reactions more efficient; they can make reactions go faster, occur at lower temperatures (which can significantly lower the cost of the process), or reduce the amount of unwanted side products. A lot of catalysts used in industry are based on precious metals, such as platinum, palladium, and rhodium, which are expensive and environmentally damaging. Companies have to mine deeper into the earth to obtain poorer quality ores. As a stark example, 1 oz (about 28 g) of pure platinum requires the mining of 10–40 tons of raw ore at depths of a mile below the Earth’s surface.
Frustrated Lewis Pairs (FLPs) use low-cost and earth-abundant elements and have shown an impressive range of abilities in academic laboratories but are not as efficient as their precious metal counterparts. Andy and his team are investigating how the two parts of the FLP catalyst interact in solution. They have discovered that when a larger amount of the two parts are closer together it leads to faster reactivity. The team continues to explore ways to optimise the interaction for creating more efficient, sustainable catalysts and, ultimately, a greener chemical industry.
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