فهرس المقالات saeed azimi المقاله 1 - Friedel–Crafts synthesis of triarylmethanes over 3-methyl-1-sulfonic acid imidazolium tetrachloroaluminate under solvent-free conditions Saeid Azimi Mohammad Ali Zolfigol Ahmad Reza Moosavi-Zare Iranian Journal of Catalysis , العدد 4 , السنة 5 , تابستان 2015