TY - JOUR AU - Hajipour, Abdol Reza AU - Sheikhan, Nafisehsadat AU - Alaei, Mohammad Ali AU - Zarei, Amin TI - Brønsted acidic ionic liquid as the efficient and reusable catalyst for synthesis of coumarins via Pechmann condensation under solvent-free conditions JO - Iranian Journal of Catalysis VL - 5 IS - 3 SP - 231 EP - 236 PY - 2015 DO - ER -