Palladium-Catalyzed Desulfonative Carbonylation of Thiosulfonates: Elimination of SO2 and Insertion of CO,Organic Letters

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Palladium-Catalyzed Desulfonative Carbonylation of Thiosulfonates: Elimination of SO2 and Insertion of CO
Organic Letters ( IF 4.9 ) Pub Date : 2022-06-23 , DOI: 10.1021/acs.orglett.2c01951
Jian-Xing Xu ₁ , Le-Cheng Wang ₁ , Xiao-Feng Wu _{1,

2}

Affiliation

A palladium-catalyzed desulfonative carbonylation of thiosulfonates has been explored. Without any additive, a series of S-aryl/alkyl benzenesulfonothioates were successfully transformed to thioesters in moderate to excellent yields by SO₂ extrusion and CO insertion under the pressure of 1 bar of CO. The solvent dimethylacetamide (DMAc) facilitated this desulfonative carbonylation due to its high absorbing ability of SO₂.

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