A facile synthesis of imidazo[1,5-b]pyridazines from 3-formylchromones.
[摘要]:The Me3SiCl-promoted recyclization of 3-formylchromones with 1-amino-1H-imidazoles resulting in a set of imidazo[1,5-b]pyridazines is performed with high preparative yields. The reaction is sensitive to the structure of NNC-binucleophiles.
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