反应详情

温度

120 °C

The compound prepared in Example 51, namely, 2-(4-bromo-1H-indol-3-yl)propanenitrile (184 mg) was dissolved in a mixture of ethanol (1 mL) and ethylene glycol (1 mL) and an aqueous 20% potassium hydroxide solution (0.5 mL) was added, and then the mixture was stirred overnight at 120° C. The reaction mixture was ice-cooled and then neutralized with 2M hydrochloric acid. The precipitated crystal was collected by filtration to obtain the titled compound having the following physical properties (155 mg).

1. temperaturecooled
2. filtrationThe precipitated crystal was collected by filtration