Synthesis of Ferrocenylimidazo[1,2-a]pyridine-3-amines Using Catalyst
ZrO(NO3)2.2H2O and their Theoretical Studies
Nahid Shajari,
Hooriye Yahyaei,
Seyyede Sanaz Zafarani
Abstract:In this study, synthesis of ferrocenylimidazo[1,2-a]pyridine-3-amines was reported from the condensation reaction of ferrocenecarboxaldehyde, 2-aminopyridine, and isocyanides using ZrO(NO3)2.2H2O as an efficient, new, and reusable catalyst under reflux conditions in ethanol. The structures of the products were confirmed by IR, 1H NMR, 13C NMR, and elemental analysis. Quantum theoretical calculations for the structure of compounds (4a, 4b, and 4c) were done using the Def2 with the TZVPPD basis set. Geometric p… Show more
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