List of Articles 4-Dihydropyrimidin-2(1H)-ones Open Access Article Abstract Page Full-Text 1 - Application of tris (trihexyltetradecylphosphonium) gadolinium hexachloride as magnetically recoverable catalyst for the synthesis of 3,4-dihydropyrimidin-2(1H)-ones in solvent-free conditions maryam Gorjizehad Open Access Article Abstract Page Full-Text 2 - preparation of 3, 4-dihydropyrimidin-2(1H)-ones using quaternary ammonium- treated clay in water Soheil Sayyahi Sedigheh Jahanbakhshi Zahra Dehghani Open Access Article Abstract Page Full-Text 3 - D-tartaric acid: a novel catalyst for green and efficient synthesis of 3,4-dihydropyrimidin-2(1H)-ones by Biginelli reaction under solvent-free conditions Ali Ezabadi Neda Ghassemi Open Access Article Abstract Page Full-Text 4 - A green and efficient method for the preparation of 3, 4-dihydropyrimidin-2(1H)-ones using quaternary ammonium- treated clay in water Soheil Sayyahi Sedigheh Jahanbakhshi Zahra Dehghani Open Access Article Abstract Page Full-Text 5 - A green and efficient method for the preparation of 3, 4-dihydropyrimidin-2(1H)-ones using quaternary ammonium- treated clay in water Soheil Sayyahi Sedigheh Jahanbakhshi Zahra Dehghani