反应详情

温度

60 °C

The ester (0.1 mol) obtained in Example 62, dissolved in an aqueous 20% ammonium hydroxide solution (50 ml), is heated for 5 hours at 60° C. The reaction mixture is cooled and is then evaporated to dryness. The residue obtained is purified by chromatography on a silica gel column.

1. temperatureThe reaction mixture is cooled
2. customis then evaporated to dryness
3. customThe residue obtained
4. customis purified by chromatography on a silica gel column