Metal‐Free Photoredox‐Catalyzed Hydrodefluorination of Fluoroarenes Utilizing Amide Solvent as Reductant
Autor: | Nobuharu Iwasawa, Kazuya Yamashita, Naoyuki Toriumi |
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Rok vydání: | 2021 |
Předmět: | |
Zdroj: | Chemistry – A European Journal. 27:12635-12641 |
ISSN: | 1521-3765 0947-6539 |
Popis: | A metal-free photoredox-catalyzed hydrodefluorination of fluoroarenes was achieved by using N,N,N',N'-tetramethyl-para-phenylenediamine (1) as a strong photoreduction catalyst. This reaction was applicable not only to electron-rich monofluoroarenes but also to polyfluoroarenes to afford non-fluorinated arenes. The experimental mechanistic studies indicated that the amide solvent NMP plays an important role for regeneration of the photocatalyst, enabling additive-free photoreduction catalysis. |
Databáze: | OpenAIRE |
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