Acidic ionic liquids immobilized on nano silica sulfuric acid for highly effective catalytic synthesis of 4H-pyrano[2,3-c]pyrazole and dihydropyrano[c]chromene derivatives
Nasir Iravani, Mosadegh Keshavarz, Layla A. Taib
Topics & Concepts
CatalysisChemistrySulfuric acidIonic liquidPyrazoleSulfonic acidThermal stabilitySulfonateHeterogeneous catalysisInorganic chemistryOrganic chemistrySodiumMulticomponent Synthesis of HeterocyclesChemical Synthesis and ReactionsIonic liquids properties and applications