反应详情

A solution of tert-butyl 3-[4-(methoxycarbonyl)phenyl]-2-oxo-1-oxa-3,8-diazaspiro[4.5]decane-8-carboxylate (1.68 g, 4.3 mmol) in 4 N HCl in dioxane (20 mL) was stirred at room temperature for 1 hour to give a white suspension. Upon removal of the volatiles, the title compound was collected as its HCl salt as a white solid.

1. customto give a white suspension
2. customUpon removal of the volatiles
3. customthe title compound was collected as its HCl salt as a white solid