反应详情

The compound (20) (21.8 mg) obtained in item (9) above was dissolved in dichloromethane (1 ml), and to the resulting solution was added a 1.25M hydrogen chloride solution (0.05 ml) in diethylether at 5° C., and the mixture so obtained was allowed to stand at that temperature overnight. The resulting reaction solution was washed with water and the organic layer obtained was dried over anhydrous sodium sulfate and concentrated to give the titled compound (21) (18.0 mg) as a syrup. Yield: 81%.

1. customthe mixture so obtained
2. customto stand at that temperature overnight
3. customThe resulting reaction solution
4. washwas washed with water
5. customthe organic layer obtained
6. dry with materialwas dried over anhydrous sodium sulfate
7. concentrationconcentrated