ChemInform Abstract: Tri(1‐butyl‐3‐methylimidazolium) Gadolinium Hexachloride, ([bmim]3[GdCl6]), a Magnetic Ionic Liquid as a Green Salt and Reusable Catalyst for the Synthesis of Tetrasubstituted Imidazoles. Issue 19 (April 2016) - Akbari, Ali