[CH:1]([N:3]([CH2:6][CH2:7][C:8]([O:10]C)=O)[CH:4]=[O:5])=[CH2:2].[NH:12]([CH2:16][CH2:17][OH:18])[CH2:13][CH2:14][OH:15].C[O-].[Na+]>CO>[OH:15][CH2:14][CH2:13][N:12]([CH2:16][CH2:17][OH:18])[C:8](=[O:10])[CH2:7][CH2:6][N:3]([CH:1]=[CH2:2])[CH:4]=[O:5]A 50 mL single-neck round bottom flask equipped with a distillation head was charged with 15.1 grams (0.096 mole) of methyl 3-(N-vinylformamido)propionate, 9.95 grams (0.09 mole) of diethanolamine and 0.15 gram of 25% sodium methoxide in methanol solution. The mixture was stirred at 90° C. for 2 hours and the generated methanol was removed by distillation at reduced pressure. Both proton NMR and GC analyses indicated approximately a 90% conversion to the titled product.
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