Design of ionic liquid 1,3-disulfonic acid imidazolium hydrogen sulfate as a dual-catalyst for the one-pot multi-component synthesis of 1,2,4,5-tetrasubstituted imidazoles
Keywords: بدون حلال; 1,3-Disulfonic acid imidazolium hydrogen sulfate {[Dsim]HSO4}; Ionic liquid; Imidazole; 1,2,4,5-Tetrasubstituted imidazoles; Multi-component reaction; Solvent-free