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Rice husk ash supported FeCl2·2H2O：A mild and highly efficient heterogeneous catalyst for the synthesis of polysubstituted quinolines by Friedländer heteroannulation（图）
Rice husk ash Supported FeCl2·2H2O, Quinolines 2-Amino benzophenone Solvent-free Friedlä nder heteoannulation
2013/12/5
Rice husk ash was used as a new, green, and cheap adsorbent for FeCl3. Characterization of the obtained reagent showed that rice husk ash supported FeCl2·2H2O was formed. This reagent is efficient at ...
Simple Synthesis of a -Oxime Derivatives of 2-Ketomethyl Quinolines under Mild and Heterogeneous Conditions
Quinolines a-oximinoketones heterogeneous catalysis nitrosation
2010/4/19
2-Ketomethyl quinolines are converted to their a-oximinoketone derivatives in quantitative yields using sodium nitrite in the presence of silica sulfuric acid as nitrosating agent under mild and heter...