反应详情

温度

80 °C

Compound No. 164 (1.1 g) obtained in Example 99 was dissolved in a mixture of tetrahydrofuran (40 ml) and c-HCl (10 ml). The solution was stirred at 80° C. for 1.5 hour. After the solvent was removed in vacuo, the precipitate was filtrated and washed with ethanol, ether and n-hexane. The title compound No. 165 was obtained as a slightly yellow solid.

1. customAfter the solvent was removed in vacuo
2. filtrationthe precipitate was filtrated
3. washwashed with ethanol, ether and n-hexane
4. custom165 was obtained as a slightly yellow solid