3 years ago

Lanthanide Ions Coupled with Photoinduced Electron Transfer Generate Strong Reduction Potentials from Visible Light

Lanthanide Ions Coupled with Photoinduced Electron Transfer Generate Strong Reduction Potentials from Visible Light
Burkhard König, Andreas Uwe Meyer, Alexander Heckel, Tomáš Slanina
Metal ions can have beneficial effects on photoinduced electron transfer. Merging such metal-ion-coupled electron transfer (MCET) with consecutive photoinduced electron transfer (conPET) enables the one-electron reduction of chlorobenzene with blue light in the presence of diisopropylethylamine as an electron donor. The presence of the metal ions extends the substrate scope of the photoredox catalysis to extreme reduction potentials (beyond −3 V vs. SCE). With a little help from a friend: Catalytic amounts of lanthanide salts enable metal-ion coupled consecutive electron transfer allowing reductions of chloroarenes with potentials beyond −3 V versus SCE and stabilize the photocatalyst.

Publisher URL: http://onlinelibrary.wiley.com/resolve/doi

DOI: 10.1002/chem.201701665

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