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Intermolecular Addition of Glycosyl Halides to Alkenes Mediated by Visible Light


  • We thank Aaron J. Francis for his contribution to optimization and Prof. Malcolm Forbes for his help with EPR experiments. The Army Research Office Staff Research Funding and Department of Energy (DE-FG02-05ER15630) are gratefully acknowledged for their support.


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Catching photons: Visible light, an amine reductant, and a [Ru(bpy)3]2+ photocatalyst can be used to mediate the addition of glycosyl halides into alkenes to synthesize important C-glycosides (see scheme). This method shows the growing potential of photocatalysis to effectively drive useful and difficult chemical transformations.

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