ChemInform Abstract: Synthesis of a Novel Piperidine‐Functionalized Poly(ethylene glycol) Bridged Dicationic Ionic Liquid and Its Application in One‐Pot Synthesis of Substituted 2‐Amino‐2‐chromenes and 3, 4‐Dihydropyrano[3, 2‐c]chromenes in Aqueous Media. Issue 16 (22nd April 2014)