List of Articles Phthalazine Open Access Article Abstract Page Full-Text 1 - A simple, solvent-free four-component domino synthesis of 1H-pyrazolo [1, 2-b] phthalazine-5, 10-dione derivatives catalyzed by copper (II) oxide Farzaneh Mohamadpour Open Access Article Abstract Page Full-Text 2 - An Efficient One-Pot Synthesis of 1H-Pyrazolo[1,2-b]phthalazine-5,10-dione Derivatives using MCM-41 Adel Ghasemi Haleh Sanaeishoar Open Access Article Abstract Page Full-Text 3 - 1,4-Disulfopiperazine-1,4-diium chloride ([Piper-(SO3H)2].2Cl) as an efficient ionic catalyst for synthesis of phthalazine derivatives Farhad Shirini Tahereh Ghauri Koodehi Omid Goli-Jolodar Open Access Article Abstract Page Full-Text 4 - Synthesis, characterization and catalytic application of Fe3O4@Cys–SO3H for preparation of 2H-indazolo[1,2-b]phthalazine-triones Somaye Nikzad Shalkouhi Hassan Kefayati Shahab Shariati Open Access Article Abstract Page Full-Text 5 - Brønsted acidic ionic liquid ([BMIm]HSO4) as an efficient catalysts for the one-pot synthesis of 2H-indazolo[2,1-b]phthalazine-trione derivatives Esmayeel Abbaspour-Gilandeh Seyyedeh Cobra Azimi