[C:1]([N:8]1[CH2:11][C:10](=O)[CH2:9]1)([O:3][C:4]([CH3:7])([CH3:6])[CH3:5])=[O:2].[CH2:13]([CH2:15][NH2:16])[OH:14]>>[C:1]([N:8]1[CH2:11][CH:10]([NH:16][CH2:15][CH2:13][OH:14])[CH2:9]1)([O:3][C:4]([CH3:7])([CH3:6])[CH3:5])=[O:2]N-Boc-3-azetidinone (1.0 g, 5.84 mmol) was treated with ethanolamine following Procedure 1—Method A to yield N-(N-Boc-azetidin-3-yl)-2-amino-ethanol (0.75 g, 3.46 mmol, 62.3% yield): MS m/e [M+H]+ calcd 217.1, found 217.2.
Wird geladen…