反应详情

温度

75 °C

4-Chloro-5-ethyl-1H-imidazole-2-carboxylic acid obtained by the method described in Example (1d) (55 mg, 0.29 mmol) was dissolved in thionyl chloride (1.5 mL), and the mixture was stirred at 75° C. for 50 minutes. The reaction solution was concentrated under reduced pressure. The resulting compound was used for the next reaction without purification.

1. concentrationThe reaction solution was concentrated under reduced pressure
2. customThe resulting compound was used for the next reaction without purification