反应详情

0.0475 mol (12.36 g ) of the product from stage 2 is dissolved in 200 ml of absolute dichloromethane and treated with stirring with 0.0523 mol (6.64 g) of oxalyl chloride. After 5 hours at room temperature, the mixture is concentrated under reduced pressure.

1. additiontreated
2. concentrationthe mixture is concentrated under reduced pressure