List of Articles Brønsted acidic Open Access Article Abstract Page Full-Text 1 - Design, Characterization and Application of N1,N1,N2,N2-Tetramethyl-N1,N2-bis(sulfo)ethane-1,2-diaminium Trifluoroacetate as a Novel Ionic-Liquid Catalyst for the Production of Polyhydroquinolines Zahra Kordrostami Abdolkarim Zare Open Access Article Abstract Page Full-Text 2 - Brønsted Acidic Ionic Liquid: An Efficient and Reusable Catalyst for the Multi-Component Synthesis of Dihydropyrimidinones under Solvent-Free Conditions Heshmatollah Alinezhad Neda Ghobadi Open Access Article Abstract Page Full-Text 3 - Bronsted Acidic Ionic Liquid: An Efficient and Reusable Catalyst for the Multi-Component Solvent-Free Synthesis of Dihydropyrimidinones Heshmatollah Alinezhad Neda Ghobadi Open Access Article Abstract Page Full-Text 4 - Brønsted acidic ionic liquid as the efficient and reusable catalyst for synthesis of coumarins via Pechmann condensation under solvent-free conditions Abdol Reza Hajipour Nafisehsadat Sheikhan Mohammad Ali Alaei Amin Zarei