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

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 a...

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Bibliographic Details
Published in:Chemistry : a European journal 2017-06, Vol.23 (33), p.7900-7904
Main Authors: Meyer, Andreas Uwe, Slanina, Tomáš, Heckel, Alexander, König, Burkhard
Format: Article
Language:English
Subjects:
aryl radical
Catalysis
Chemistry
Chlorobenzene
C−C bond formation
Electron transfer
Electrons
Ions
lanthanides
Metal ions
Metals
Photoredox catalysis
photoreduction
Reduction
Reduction (metal working)
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Summary: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.
ISSN:0947-6539
1521-3765
DOI:10.1002/chem.201701665