Catalytic asymmetric transfer hydrogenation of rac-furoin and furil produces hydrofuroin with up to 99% ee and 9:1 dr. This reaction provides an exceptionally easy access to optically active hydrofuroins in two straightforward steps from biomass-derived furfural (global production 200,000-300,000 t annually) using benzoin condensation.
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http://dx.doi.org/10.1021/ol3018402 | DOI Listing |
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