TY - JOUR AU - Seyed Meysam Baghbanian AU - Mahmood Tajbakhsh AU - Maryam Farhang TI - Protic guanidinium ionic liquid as a green and highly efficient catalyst for the synthesis of functionalized spirochromenes under solvent-free conditions JO - Comptes Rendus. Chimie PY - 2014 SP - 1160 EP - 1164 VL - 17 IS - 12 PB - Elsevier DO - 10.1016/j.crci.2013.12.005 LA - en ID - CRCHIM_2014__17_12_1160_0 ER -