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A highly reducing metal-free photoredox catalyst: design and application in radical dehalogenations.
- Author(s): Discekici, Emre H
- Treat, Nicolas J
- Poelma, Saemi O
- Mattson, Kaila M
- Hudson, Zachary M
- Luo, Yingdong
- Hawker, Craig J
- Read de Alaniz, Javier
- et al.
Published Web Location
https://doi.org/10.1039/c5cc04677gAbstract
Here we report the use of 10-phenylphenothiazine (PTH) as an inexpensive, highly reducing metal-free photocatalyst for the reduction of carbon-halogen bonds via the trapping of carbon-centered radical intermediates with a mild hydrogen atom donor. Dehalogenations were carried out on various substrates with excellent yields at room temperature in the presence of air.
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