فهرس المقالات Urazole حرية الوصول المقاله صفحة الملخص نص كامل 1 - Cu(II) complex based on 3-hydroxy-2-naphtoic acid (Cu-HNA) as an efficient catalyst for the one-pot multicomponent synthesis of triazolo[1,2-a]indazole-triones under solvent free conditions Ali Javid حرية الوصول المقاله صفحة الملخص نص كامل 2 - One-pot and efficient synthesis of triazolo[1,2-a]indazole-triones catalyzed by poly(ethylene glycol) based magnetic dicationic ionic liquid Bijan Mombeni Goodajdar Soghra Soleimani حرية الوصول المقاله صفحة الملخص نص كامل 3 - Melamine trisulfonic acid (MTSA) as an efficient catalyst for the synthesis of triazolo[1,2-a]indazole-triones and some 2H-indazolo[2,1-b]phthalazine-triones Ardeshir Khazaei Mohammad Ali Zolfigol Toktam Faal Rastegar Gholamabbas Chehardoli Shadpour Mallakpour