反应详情

温度

90 °C

Heat at 145°-150° C. for two hours a mixture of 5 g (25 mmol) of 2-benzimidazolesulfonic acid and 5.7 ml (75 mmol) of 3-aminopropanol. Cool to 90° C. and add 15 ml of cold water, with vigorous stirring, until a precipitate is formed. Maintain at a temperature of approximately 4° C. for one night, filter the title compound precipitate, wash with cold water and dry.

1. temperatureHeat at 145°-150° C. for two hours
2. customwith vigorous stirring, until a precipitate is formed
3. temperatureMaintain at a temperature of approximately 4° C. for one night
4. filtrationfilter the title compound precipitate
5. washwash with cold water
6. customdry