List of Articles ethyl acetoacetate Open Access Article Abstract Page Full-Text 1 - A Novel protocol for synthesis of Hantzsch 1, 4- dihydropyridines using PEG-400 as a reaction medium and under catalyst-free condition Ali Ezabadi Fatemeh Tosan Open Access Article Abstract Page Full-Text 2 - Novel procedure for preparation of Hantzsch 1, 4- dihydropyridines using PEG-400 as a reaction medium and under catalyst-free condition Ali Ezabadi Fatemeh Tosan Open Access Article Abstract Page Full-Text 3 - Nano-SiO2/Taurine as a new natural based catalyst for synthesis of hexahydroquinolines derivative Saeed Sharifi Sharifabad Bi Bi Fatemeh Mirjalili Abdolhamid Bamoniri 10.30495/ijc.2022.1959104.1936