Practical and efficient synthesis of aryl trifluoromethyl sulfones from arylsulfonyl chlorides with Umemoto’s reagent II
作者:Xiaocong Zhou、Dufen Hu、Xinyi He、Yuanqiang Li、Youqun Chu、Yuanbin She
DOI:10.1016/j.tetlet.2019.151465
日期:2020.1
A practical and efficient method for the synthesis of aryl trifluoromethyl sulfones has been developed by a tandem reaction of arylsulfonyl chlorides with Umemoto’s reagent II. The advantageous features of this method are simple operation, mild reaction conditions, wide scope of substrates, high yield of products, and easy scalability.
A copper-catalyzed method for the trifluoromethylation of arylsulfinates with Togni's reagent has been developed, affording aryltrifluoromethylsulfones in moderate to good yields. A wide range of functional groups in arylsulfinates are compatible with the reaction conditions.