CS([CH2:5][CH2:6][CH2:7][CH2:8][CH2:9][C:10]([O:12][CH2:13][CH3:14])=[O:11])(=O)=O.[CH3:15][NH:16][CH3:17]>C(O)C>[CH3:15][N:16]([CH3:17])[CH2:5][CH2:6][CH2:7][CH2:8][CH2:9][C:10]([O:12][CH2:13][CH3:14])=[O:11]Ethyl 6-(methanesulfonyl)hexanoate was allowed to react in a 5.6M solution of dimethylamine in ethanol (100 mL) for 17 hours. The solution was then concentrated in vacuo to dryness. The resulting bright orange paste was purified by column chromatography (column 5″L×2″W; eluted with a gradient of 100% dichloromethane→1%/0.25%→2%/0.5% MeOH/NH4OH in dichloromethane) to afford the product as a yellow oil.
Wird geladen…