Abstract
Cu doped ZnO nanocrystalline powder (10 mol%) has been found to be an efficient catalyst for the one-pot multi-component synthesis of fully substituted new indeno[1,2- b ]pyridines through a combination of 1,3-indandione, propiophenone or acetophenone derivatives, aromatic aldehydes, and ammonium acetate in ethanol/H 2 O at room temperature. The methodology is mild, efficient and high to excellent yielding. We synthesized fully substituted new indeno[1,2- b ]pyridines through a multi-component reaction of 1,3-indandione, aromatic aldehydes, propiophenone or acetophenone derivatives and ammonium acetate in the presence of Cu-doped ZnO nanocrystalline powder (10 mol%) in ethanol/H 2 O at room temperature.
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