Dioxygen compatible electron donor-acceptor catalytic system and its enabled aerobic oxygenation

Jialiang Wei, Junhong Meng, Caifang Zhang, Yameng Liu and Ning Jiao ()
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Jialiang Wei: Peking University
Junhong Meng: Peking University
Caifang Zhang: Peking University
Yameng Liu: Peking University
Ning Jiao: Peking University

Nature Communications, 2024, vol. 15, issue 1, 1-8

Abstract: Abstract The photochemical properties of Electron Donor-Acceptor (EDA) complexes present exciting opportunities for synthetic chemistry. However, these strategies often require an inert atmosphere to maintain high efficiency. Herein, we develop an EDA complex photocatalytic system through rational design, which overcomes the oxygen-sensitive limitation of traditional EDA photocatalytic systems and enables aerobic oxygenation reactions through dioxygen activation. The mild oxidation system transfers electrons from the donor to the effective catalytic acceptor upon visible light irradiation, which are subsequently captured by molecular oxygen to form the superoxide radical ion, as demonstrated by the specific fluorescent probe, dihydroethidine (DHE). Furthermore, this visible-light mediated oxidative EDA protocol is successfully applied in the aerobic oxygenation of boronic acids. We believe that this photochemical dioxygen activation strategy enabled by EDA complex not only provides a practical approach to aerobic oxygenation but also promotes the design and application of EDA photocatalysis under ambient conditions.

Date: 2024
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DOI: 10.1038/s41467-024-45866-z

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