反应详情

温度

180 °C

Dissolving 280 mg of 7-hydroxy-6-ethoxycarbonyl-3-(4-phenylthiophenyl)pyrazolo[1,5-a]pyrimidine in 3 ml of aniline, the mixture was stirred for 3 hours at 180° C. After allowing to cool, 10% hydrochloric acid was added, the precipitate was filtered, washed with water and dried, and the title compound was obtained (220 mg, 68%).

1. temperatureto cool
2. filtrationthe precipitate was filtered
3. washwashed with water
4. customdried