反应详情

5 ml of a 4 N solution of hydrogen chloride in dioxane are added to 200 mg (0.638 mmol) of the compound from Example 92 and the mixture is stirred at RT for 30 min The solid is subsequently filtered off, washed once with dioxane and twice with tert-butyl methyl ether and subsequently dried under a high vacuum.

1. filtrationis subsequently filtered off
2. washwashed once with dioxane and twice with tert-butyl methyl ether
3. customsubsequently dried under a high vacuum