反应详情

To (S)-tert-butyl 2-carbamoylpyrrolidine-1-carboxylate (29.8 g, 139 mmol) was added a solution of 4 N HCl in dioxane (209 mL, 836 mmol), and the resultant mixture was stirred at room temperature for 18 hours. The mixture was then concentrated and triturated with diethyl ether then vacuum filtered and dried under vacuum to provide 21.6 g (104%) of the title product as a colorless solid.

1. concentrationThe mixture was then concentrated
2. customtriturated with diethyl ether
3. filtrationvacuum filtered
4. customdried under vacuum