4.8 Article

4CzIPN-tBu-Catalyzed Proton-Coupled Electron Transfer for Photosynthesis of Phosphorylated N-Heteroaromatics

Journal

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY
Volume 143, Issue 2, Pages 964-972

Publisher

AMER CHEMICAL SOC
DOI: 10.1021/jacs.0c11138

Keywords

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Funding

  1. National Natural Science Foundation of China [21971224, 22071222]
  2. 111 Project [D20003]
  3. Key Research Projects of Universities in Henan Province [20A150006, 20B350001, 21A150053]

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4,5,6-Tetrakis (3,6-di-tert-butyl-9H-carbazol-9-yl)-isophthalonitrile (4CzIPN-Bu-t) was developed as a photocatalyst for the phosphorus-radical-initiated cascade cyclization reaction of isocyanides. By using 4CzIPN-Bu-t as catalyst, a visible light-induced proton-coupled electron transfer strategy was developed for the generation of phosphorus-centered radicals, leading to the successful construction of phosphorylated phenanthridines, quinolines, and benzothiazoles.
4,5,6-Tetrakis (3,6-di-tert- butyl-9H-carbazol-9-yl)-isophthalonitrile (4CzIPN-Bu-t) was developed as a photocatalyst for the phosphorus-radical-initiated cascade cyclization reaction of isocyanides. By using 4CzIPN-Bu-t as catalyst, we developed a visiblelight-induced proton-coupled electron transfer strategy for the generation of phosphorus-centered radicals, via which a wide range of phosphorylated phenanthridines, quinolines, and benzothiazoles were successfully constructed.

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