期刊
CHEM CATALYSIS
卷 2, 期 10, 页码 2726-2749出版社
CELL PRESS
DOI: 10.1016/j.checat.2022.08.013
关键词
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资金
- Nanyang Technological University (NTU)
- Singapore Ministry of Education (Academic Research Fund Tier 2) [MOE2017-T2-1064]
- JSPS KAKENHI [JP21H01921, JP20K21197]
- Uehara Memorial Foundation
In this study, we demonstrated the design and synthesis of PIqs with electron-withdrawing groups, which exhibit wider redox windows and higher triplet-state energies under visible light irradiation. By modifying the positions and structures of these electron-withdrawing groups, the photophysical and electrochemical properties of PIqs can be tailored, enabling a range of molecular transformations driven by visible light.
We demonstrate the design and synthesis of pyrrolo[2,1-a] isoquinolines (PIqs) bearing electron-withdrawing groups, which are excited under irradiation with visible light to display wider redox windows and higher triplet-state energies. The photophysical and electrochemical characters of PIqs can be tailored by modification of the electron-withdrawing groups and their positions, enabling redox-neutral (hetero)biaryl cross-coupling between aryl halides and (hetero)arenes, nickel-catalyzed amination and oxygenation of aryl halides, and decarboxylative cross-coupling between alpha-amino acids and aryl halides, as well as a set of molecular transformations driven by triplet-triplet sensitization under irradiation with visible light.
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