反应详情

The product from Example 92A was treated with TFA (1.5 mL) at rt for 3 h. The volatiles were removed under vacuum, the residue concentrated from toluene (×2) and dried in a vacuum oven to give title compound which was used without further purification. MS (DCI; M+H) m/z=220.

1. customThe volatiles were removed under vacuum
2. concentrationthe residue concentrated from toluene (×2)
3. customdried in a vacuum oven