Synthesis of tetrahydropyridines by one-pot multicomponent reaction using nano-sphere silica sulfuric acid

M Daraei, MA Zolfigol, F Derakhshan-Panah… - Journal of the Iranian …, 2015 - Springer
A highly efficient protocol for the synthesis of 1, 2, 3, 4-tetrahydropyridines in the presence of
nano-sphere silica sulfuric acid (NS-SSA) was used for good yields by one-pot …

Characterization and application of pyrazinium di (hydrogen sulfate) as a highly efficient catalyst for synthesis of 14-aryl-14H-dibenzo [aj] xanthenes, 9-aryl-1, 8-dioxo …

A Zare, S Ahmadi, F Abi, T Hekmat-Zadeh… - Scientia …, 2015 - scientiairanica.sharif.edu
In this work, characterization of Brønsted acidic ionic liquid namely pyrazinium di (hydrogen
sulfate){PyH2 (HSO42} using 1H and 13C NMR, mass, thermogravimetry (TG) and …