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Thioxanthone-TfOH complex (9-HTXTF) photoredox enabled reduction of sulfoxides

Chen, Boan ; Wang, Jiayi ; Sun, Weiqiang ; Pan, Yuze ; Ding, Aishun ; Liu, Wangsheng ; Guo, Hao

Tetrahedron letters, 2024-04, Vol.139, Article 155007 [Periódico revisado por pares]

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Thioxanthone-TfOH complex (9-HTXTF) photoredox enabled reduction of sulfoxides
Autor: Chen, Boan ; Wang, Jiayi ; Sun, Weiqiang ; Pan, Yuze ; Ding, Aishun ; Liu, Wangsheng ; Guo, Hao
É parte de: Tetrahedron letters, 2024-04, Vol.139, Article 155007
Descrição: [Display omitted] This study presents a photoredox-mediated reduction of sulfoxides, employing 9-HTXTF as photocatalyst and THF as an external reductant. Scope investigation revealed that diverse substrates, including those with electron-donating and electron-withdrawing groups, could be transformed into corresponding sulfides. Mechanistic insights suggest a cascade of events initiated by the excited state of 9-HTXTF, involving multiple single-electron reduction steps and proton transfers. This approach enriches the toolkit for sulfoxide reduction under photoredox catalysis as sustainable synthetic strategies.
Editor: Elsevier Ltd
Idioma: Inglês

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