2-Hydrazinopyridine → HCID 178515966, 화합물

참여 물질

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반응 단계

2-hydrazinopyridine (161 mg, 1.477 mmol) was added to a solution of (E)-ethyl-5-phenyl-3-oxopent-4-enoate (8a, 355 mg, 1.62 mmol) prepared in Example C-1 in acetic acid (3 mL), followed by stirring under reflux at 60° C. for 30 minutes. Then, the reaction solution was concentrated by distillation under reduced pressure, and ethyl acetate (5 mL) and water (5 mL) were added thereto, followed by extraction with ethyl acetate. The organic layer was dried over anhydrous sodium sulfate and separated by column chromatography (n-Hex/EtOAc=10/1 (v/v)) to afford the title compound.

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