Chemistry - An Asian Journal p. 404 - 408 (2018)
Update date:2022-08-02
Topics:
Du, Bingnan
Wang, Wenmin
Wang, Yang
Qi, Zhenghang
Tian, Jiaqi
Zhou, Jie
Wang, Xiaochen
Han, Jianlin
Ma, Jing
Pan, Yi
A Cu-catalyzed cascade oxidative radical process of β-keto sulfones with alcohols has been achieved by using oxygen as an oxidant. In this reaction, β-keto sulfones were converted into sulfinate esters under the oxidative conditions via cleavage of C?S bond. Experimental and computational studies demonstrate that a new pathway is involved in this reaction, which proceeds through the formation of the key four-coordinated CuII intermediate, O?O bond homolysis induced C?S bond cleavage and Cu-catalyzed esterification to form the final products. This reaction provides a new strategy to sulfonate esters and enriches the research content of C?S bond cleavage and transformations.
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