The Selective Oxidation of 1,2-Propanediol by Supported Gold-Based Nanoparticulate Catalysts
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The oxidation of 1,2-propanediol to form lactic acid and hydroxyacetone has been investigated using supported metal nanoparticles. A series of supported gold, palladium, platinum and combinations of these metals have been investigated. In the presence of base the major product formed is lactate, often in excellent yields as, under these conditions the terminal hydroxyl group is oxidised. In the absence of base, more vigorous conditions are required to elicit high conversions; surprisingly, a major product from such reactions is a mono-oxidation product hydroxyacetone, along with lactate.
KeywordsGold catalysis Gold platinum alloy nanoparticles Lactic acid 1,2-Propanediol oxidation
This work formed part of the Glycerol Challenge and Sasol Technology (UK) Ltd and the Technology Strategy Board are thanked for their financial support. This project is co-funded by the Technology Strategy Board’s Collaborative Research and Development programme, following an open competition. The Technology Strategy Board is an executive body established by the Government to drive innovation. It promotes and invests in research, development and the exploitation of science, technology and new ideas for the benefit of business—increasing sustainable economic growth in the UK and improving quality of life. For more information visit www.innovateuk.org.
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