فهرس المقالات Melamine trisulfonic acid حرية الوصول المقاله صفحة الملخص نص كامل 1 - Melamine trisulfonic acid: An efficient and recyclable solid acid catalyst for the green synthesis of Biscoumarin derivatives Nasir Iravani Mosadegh Keshavarz Maryam Mousavi Mojtaba Baghernejad حرية الوصول المقاله صفحة الملخص نص كامل 2 - Melamine trisulfonic acid: A new, efficient and reusable catalyst for the protection of alcohols, phenols, aldehydes and amines Farhad Shirini Mohammad A. Zolfigol Jalal Albadi Toktam F. Rastegar حرية الوصول المقاله صفحة الملخص نص كامل 3 - Melamine trisulfonic acid as an efficient and reusable catalyst for the crossed-Aldol condensation of ketones and aldehydes under solvent-free conditions Farhad Shirini Somayeh Sarvi Beigbaghlou Seyyed Vahid Atghia حرية الوصول المقاله صفحة الملخص نص كامل 4 - 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 حرية الوصول المقاله صفحة الملخص نص كامل 5 - Melamine trisulfonic acid catalyzed regioselective nitration of aromatic compounds under solvent-free conditions Jalal Albadi Farhad Shirinib Masoumeh Abedini Tayebeh Seiadatnasab