反应详情

262 mg (0.61 mmol) of the compound of Example 17A were dissolved in 4 ml of dichloromethane, and 4 ml of a 4N solution of hydrogen chloride in dioxane were added. The solution was stirred at RT for 3 h and then freed from the volatile components on a rotary evaporator. The residue was dried under high vacuum. This gave 223 mg (quant.) of the title compound.

1. customfreed from the volatile components on a rotary evaporator
2. customThe residue was dried under high vacuum