Regioselective Sulfonation of Aromatic Compounds over 1,3-Disulfonic Acid Imidazolium Chloride under Aqueous Media

Ahmad Reza Moosavi-Zare*, Mohammad Ali Zolfigol*, Ehsan Noroozizadeh

*Sayyed Jamaleddin Asadabadi University, Asadabad, 6541835583; Faculty of Chemistry, Bu-Ali Sina University, Hamedan 6517838683, Iran, Email: moosavizareyahoo.com, mzolfigolyahoo.com

A. R. Moosavi-Zare, M. A. Zolfigol, E. Noroozizadeh, Synlett, 2016, 27, 1682-1684.

DOI: 10.1055/s-0035-1561938

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Abstract

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.

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Key Words

sulfonation, ionic liquids, sulfonic acid functionalized imidazolium salt (SAFIS), aqueous medium

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ID: J60-Y2016