Synthesis of sulfonic acids

Related

Recent Literature

The Brønsted acidic ionic liquid [Dsim]Cl (1,3-disulfonic acid imidazolium chloride) enables the sulfonation of aromatic compounds via in situ generation of sulfuric acid at 50°C under mild aqueous conditions.
A. R. Moosavi-Zare, M. A. Zolfigol, E. Noroozizadeh, Synlett, 2016, 27, 1682-1684.