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Synthesis of Imidazo[1,2‑a]pyridines: “Water-Mediated” Hydroamination and Silver-Catalyzed Aminooxygenation

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Figshare2016-02-20 更新2026-04-29 收录
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https://figshare.com/articles/dataset/Synthesis_of_Imidazo_1_2_i_a_i_pyridines_Water_Mediated_Hydroamination_and_Silver_Catalyzed_Aminooxygenation/2447605
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Aqueous syntheses of methylimidazo­[1,2-a]­pyridines without any deliberate addition of catalyst are reported. Imidazo­[1,2-a]­pyrazine and imidazo­[2,1-a]­isoquinoline were also obtained in good yields under similar conditions. With acetonitrile as solvent, Ag-catalyzed intramolecular aminooxygenation produced imidazo­[1,2-a]­pyridine-3-carb­aldehydes in moderate to good yields.
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2016-02-20
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