TY - JOUR AU - Mohammad Ali Zolfigol AU - Ahmad Reza Moosavi-Zare AU - Mahmoud Zarei TI - Friedel–Crafts alkylation of 4-hydroxycoumarin catalyzed by sulfonic-acid-functionalized pyridinium chloride as a new ionic liquid JO - Comptes Rendus. Chimie PY - 2014 SP - 1264 EP - 1267 VL - 17 IS - 12 PB - Elsevier DO - 10.1016/j.crci.2014.03.002 LA - en ID - CRCHIM_2014__17_12_1264_0 ER -