[NH2:1][C:2]([CH3:9])([CH2:7][CH3:8])[C:3]([O:5][CH3:6])=[O:4].[CH2:10]=O>CCOCC>[CH2:10]=[N:1][C:2]([CH3:9])([CH2:7][CH3:8])[C:3]([O:5][CH3:6])=[O:4]To methyl 2-amino-2-methylbutyrate (2.62 g) was dropped at room temperature 37% formalin (2.27 g), and the mixture was stirred for 4 h. Then the reaction mixture was dissolved in ether and washed with water. The organic phase was dried over magnesium sulfate, filtered and evaporated to get the captioned compound (2.80 g).
Wird geladen…