反应详情

To a stirred solution of (3,4,5,6-tetrahydro-2H-(1,2′)bipyridinyl-4-yl)-carbamic acid tert-butyl ester (0.45 g, 1.49 mmol) in dioxane (3.0 mL) at room temperature was added 4M HCl in dioxane (8 mL). The reaction mixture was stirred at room temperature 30 minutes. The reaction mixture was concentrated under reduced pressure, and the residue treated with ether. The titled compound was collected by filtration. MS (CI) m/z 203 (M+1)+.

1. concentrationThe reaction mixture was concentrated under reduced pressure
2. additionthe residue treated with ether
3. filtrationThe titled compound was collected by filtration