Title SBA-15/TFE (SBA-15/2,2,2-trifluoroethanol) as a suitable and effective metal-free catalyst for the preparation of the tri- and tetra-substituted imidazoles via one-pot multicomponent method Type JournalPaper Keywords Not Registered! Abstract Not Registered! Researchers (Fifth Researcher), (Fourth Researcher), Hongchuan Xin (Third Researcher), (Second Researcher), Sadegh Rostamnia (First Researcher)