反应详情

温度

90 °C

A reaction mixture of 134.0 mg of oxindole, 234.3 mg of the 4-ethoxycarbonyl-3,5-dimethylpyrrole-2-carboxaldehyde, and 3 drops of piperidine in 3 mL of ethanol was stirred at 90° C. for 3 h. After cooling, the precipitate was filtered, washed with cold ethanol, and dried to yield 244.6 mg (79%) of the title compound as a yellow solid.

1. temperatureAfter cooling
2. filtrationthe precipitate was filtered
3. washwashed with cold ethanol
4. customdried