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Iron-Catalyzed Difluoromethylation of Arylzincs with Difluoromethyl 2-Pyridyl Sulfone
Journal of the American Chemical Society ( IF 15.0 ) Pub Date : 2018-01-08 , DOI: 10.1021/jacs.7b11976
Wenjun Miao 1 , Yanchuan Zhao 1 , Chuanfa Ni 1 , Bing Gao 1 , Wei Zhang 1 , Jinbo Hu 1
Affiliation  

We report the first iron-catalyzed difluoromethylation of arylzincs with difluoromethyl 2-pyridyl sulfone via selective C-S bond cleavage. This method employs the readily available, bench-stable fluoroalkyl sulfone reagent and inexpensive iron catalyst, allowing facile access to structurally diverse difluoromethylated arenes at low temperatures. The experiment employing a radical clock indicates the involvement of radical species in this iron-catalyzed difluoromethylation process.

中文翻译:

铁催化芳基锌与二氟甲基 2-吡啶基砜的二氟甲基化反应

我们报告了第一次铁催化的芳基锌与二氟甲基 2-吡啶基砜通过选择性 CS 键断裂的二氟甲基化反应。该方法使用容易获得的、工作台稳定的氟代烷基砜试剂和廉价的铁催化剂,可以在低温下轻松获得结构多样的二氟甲基化芳烃。使用自由基时钟的实验表明自由基物种参与了这种铁催化的二氟甲基化过程。
更新日期:2018-01-08
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