期刊
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY
卷 143, 期 29, 页码 10882-10889出版社
AMER CHEMICAL SOC
DOI: 10.1021/jacs.1c05988
关键词
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资金
- Office of the Vice Chancellor for Research and Graduate Education at the University of Wisconsin-Madison
- Wisconsin Alumni Research Foundation
- American Chemical Society Petroleum Research Fund [60677-DNI1]
- NSF [CHE-1048642]
- NIH [S10OD012245, 1S10OD020022-1]
This photocatalytic system utilizes radical anion intermediates to enhance photoreductant activity, enabling diverse aryl radical coupling reactions. Mechanistic studies reveal two parallel pathways for substrate reduction, both facilitated by the key terminal reductant byproduct, carbon dioxide radical anion.
We describe a photocatalytic system that elicits potent photoreductant activity from conventional photocatalysts by leveraging radical anion intermediates generated in situ. The combination of an isophthalonitrile photocatalyst and sodium formate promotes diverse aryl radical coupling reactions from abundant but difficult to reduce aryl chloride substrates. Mechanistic studies reveal two parallel pathways for substrate reduction both enabled by a key terminal reductant byproduct, carbon dioxide radical anion.
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