Silver-Catalyzed Denitrative Sulfonylation of β-Nitrostyrenes: A Convenient Approach to (E)-Vinyl Sulfones.

The first utilization of β-nitrostyrenes (readily available by the Henry reaction) for a highly stereoselective, convenient, and catalytic synthesis of (E)-vinyl sulfones at room temperature was investigated. The protocol involves efficient silvercatalyzed denitrative radical cross-coupling of β-nitrostyrenes and sodium sulfinates by using potassium persulfate as an additive to complete the catalytic cycle. [ABSTRACT FROM AUTHOR]