ChemInform Abstract: Water‐Dispersed Magnetic Nanoparticles (H2O‐DMNPs) of γ‐Fe2O3 for Multicomponent Coupling Reactions: A Green, Single‐Pot Technique for the Synthesis of Tetrahydro‐4H‐chromenes and Hexahydroquinoline Carboxylates. Issue 41 (19th September 2013)