Ethyl Acetate → HCID 178429193、化合物

関与物質

反応手順

A solution of 3-methyl-1-(2-pyridinyl)-1H-pyrazol-5-amine (5.1 g, 29 mmol) and ethyl acetoacetate (3.8 g, 30 mmol) in acetic acid (14 mL) was stirred at 100° C. for 4 hours. The solution was cooled to room temperature and ethyl acetate was added thereto. The resulting crude crystals were collected by filtration, and recrystallized from ethanol to give the title compound (4.4 g, 62% yield).

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