[Cl:1][C:2](=[CH2:13])[CH2:3][N:4]([CH2:10][CH:11]=O)[C:5](=[O:9])[O:6][CH2:7][CH3:8].[CH3:14][NH:15][C@H:16](C(O)=O)[CH3:17]>C1(C)C=CC=CC=1>[Cl:1][C:2]12[CH2:3][N:4]([C:5]([O:6][CH2:7][CH3:8])=[O:9])[CH2:10][CH:11]1[N:15]([CH3:14])[CH:16]([CH3:17])[CH2:13]210.3 g (50 mmol) of ethyl N-(2-chloroallyl)-N-(2-oxoethyl)-carbamate are heated under reflux overnight with 5.2 g (50.5 mmol) of N-methylalanine in 200 ml of toluene. The mixture is concentrated and the residue is distilled.
Wird geladen…