TY - JOUR AU - Afsar, Javad AU - Khazaei, Ardeshir AU - Zolfigol, Mohammad Ali TI - A novel nano perfluoro ionic liquid as an efficient catalyst in the synthesis of chromenes under mild and solvent-free conditions JO - Iranian Journal of Catalysis VL - 9 IS - 1 SP - 37 EP - 49 PY - 2019 DO - ER -