一种高还原性无金属光氧化还原催化剂：设计及其在自由基脱卤反应中的应用
A highly reducing metal-free photoredox catalyst: design and application in radical dehalogenations.
作者信息
Discekici Emre H, Treat Nicolas J, Poelma Saemi O, Mattson Kaila M, Hudson Zachary M, Luo Yingdong, Hawker Craig J, de Alaniz Javier Read
机构信息
Department of Chemistry and Biochemistry, University of California, Santa Barbara, California, 93106, USA.
Materials Department, Materials Research Laboratory, University of California, Santa Barbara, California, 93106, USA.
出版信息
Chem Commun (Camb). 2015 Jul 25;51(58):11705-11708. doi: 10.1039/c5cc04677g. Epub 2015 Jun 24.
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.
在此，我们报道了使用10-苯基吩噻嗪（PTH）作为一种廉价、高还原性的无金属光催化剂，通过用温和的氢原子供体捕获碳中心自由基中间体来还原碳-卤键。在室温下、有空气存在的条件下，对各种底物进行脱卤反应，产率优异。
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