Abstract
Aromatic aldehydes have been employed in a one-pot four-component reaction with ethyl acetoacetate, 1,3-indandione and ammonium acetate in the presence of L-proline in water and under reflux condition to afford the corresponding dihydro-1H-indeno[1,2-b]pyridines in very good yields.
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BEHBAHANI, F.K., ALAEI, H.S. L-proline-catalysed synthesis of functionalized unsymmetrical dihydro-1H-indeno[1,2-b]pyridines. J Chem Sci 125, 623–626 (2013). https://doi.org/10.1007/s12039-013-0419-5
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DOI: https://doi.org/10.1007/s12039-013-0419-5