This review summarizes the recent progress in the field of S-functionalized N-heterocyclic carbene ligands and their metal complexes. The syntheses of the azolium precursors and of …
In this work, the efficiency, generality and applicability of novel Brønsted acidic ionic liquid triethylamine-bonded sulfonic acid {[Et3N–SO3H] Cl, N, N-diethyl-N-sulfoethanammonium …
3-Methyl-1-sulfonic acid imidazolium nitrate ([Msim] NO3) as a new Brønsted acidic ionic liquid and nitrating agent was prepared and used for the efficient nitration of aromatic …
In this work, novel ionic liquid 1-sulfopyridinium chloride {[Pyridine–SO 3 H] Cl} is synthesized, and characterized by IR, 1 H and 13 C NMR, UV as well as mass spectra. The …
In this study, a green, simple and efficient method for the preparation of 6-amino-4-(4- methoxyphenyl)-5-cyano-3-methyl-1-phenyl-1, 4-dihydropyrano [2, 3-c] pyrazoles by means …
Sulfanilic acid-functionalized silica-coated nano-Fe3O4 particles (MNPs–PhSO3H) have been prepared as a reusable heterogeneous acid catalyst using a facile process. The …
In this work, some novel sulfonic acid functionalized imidazolium salts (SAFIS), as a new category of ionic liquids, are synthesized by eco-friendly and simple procedures, and used …
In this work, novel Brønsted acidic ionic liquid 1, 3-disulfonic acid imidazolium hydrogen sulfate {[Dsim] HSO4} is synthesized, and characterized by studying its FT-IR, 1H NMR, 13C …