%0 Journal Article %T Efficient One-Pot Synthesis of 2-Amino-4H-chromenes Catalyzed by Ferric Hydrogen Sulfate and Zr-Based Catalysts of FI %A Eshghi, Hossein %A , %A Zohuri, Gholamhossein %J Synthesis and Reactivity in Inorganic Metal-Organic and Nano-Metal Chemistry %@ 1553-3174 %D 2011