反应详情

3-Bromo-2-oxotetrahydrofuran (5 g) and triphenylphosphine (7.94 g) in dry benzene (50 mls) were left at room temperature for 4 days. The solution was decanted from the orange gum. This was dissolved in dichloromethane and concentrated to give a pale brown foam.

1. customThe solution was decanted from the orange gum
2. dissolutionThis was dissolved in dichloromethane
3. concentrationconcentrated
4. customto give a pale brown foam