Cl.CCOC(C)=O.[CH2:8]([O:11][CH2:12][CH2:13][N:14]([CH2:22][CH2:23][O:24][CH2:25][CH2:26][CH3:27])C(=O)OC(C)(C)C)[CH2:9][CH3:10]>>[CH2:25]([O:24][CH2:23][CH2:22][NH:14][CH2:13][CH2:12][O:11][CH2:8][CH2:9][CH3:10])[CH2:26][CH3:27]To a solution of HCl in EtOAc (15 mL, 30 mmol, 2 M) was added tert-butyl bis(2-propoxyethyl)carbamate (1.78 g, 6.15 mmol). The reaction mixture was stirred at rt overnight, then concentrated in vacuo to give the title compound as colorless oil (1.16 g, 100%).
Wird geladen…