C([O:3][C:4](=O)[C:5]([NH:7][CH2:8][CH3:9])=[O:6])C.[CH3:11][O:12][CH:13]([O:16][CH3:17])[CH2:14][NH2:15]>CC(O)C>[CH3:11][O:12][CH:13]([O:16][CH3:17])[CH2:14][NH:15][C:4](=[O:3])[C:5]([NH:7][CH2:8][CH3:9])=[O:6]59.9 g (412.6 mM) of ethyl(ethylamino)(oxo)acetate and 45 ml (412.6 mM) of (2,2-dimethoxyethyl)amine in 480 ml of 2-propanol were stirred at room temperature for 16 h. A white precipitate was filtered, washed with 2-propanol and dried under vacuum, to give 67.8 g of N-(2,2-dimethoxyethyl)-N′-ethylethanediamide. Yield: 80.5%.
Wird geladen…