Photoredox catalysis provides synthetic chemists with a means to perform redox reactions under mild conditions with temporal control. Also, if the catalyst is operative under visible light conditions, chance undesirable side reactions can be depressed. Recently, a europium(II)-containing octaaza-cryptate was reported that shows the ability to catalyze reductive carbon-carbon coupling reactions under visible-light excitation at 460 nm. I will present our efforts to examine the scope of reactions possible with this precatalyst including studies of functional group tolerance. By using the europium(II)-containing octaaza-cryptate, we broaden the scope of catalytic reduction reactions promoted with visible light excitation. This work is expected to influence the further study and use of visible-light-promoted photoredox catalysis using divalent europium.

Visible-light-promoted photolytic reductive couplings and aromatic reductions using a Eu<sup>II</sup>-containing octaaza-cryptate

ACS Spring 2022

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Visible-light-promoted photolytic reductive couplings and aromatic reductions using a EuII-containing octaaza-cryptate

Visible-light-promoted photolytic reductive couplings and aromatic reductions using a Eu^II-containing octaaza-cryptate