Diglycolamine → HCID 86672801, compound

Participants

Reaction Steps

BOC-sarcosine (900 mg, 4.76 mmol) was dissolved in ethanol (10 ml). 2-(2-Aminoethoxy)ethanol (0.477 ml, 4.76 mmol) and 4-(4,6-dimethoxy-1,3,5-triazin-2-yl)-4-methylmorpholinium chloride n-hydrate (DMT-MM) (1.79 g, 5.71 mmol) were added and the mixture was stirred at room temperature overnight. The reaction solution was concentrated under reduced pressure, and water was added to the resulting residue, followed by extraction with ethyl acetate. The organic layer was washed with water and saturated brine, dried over anhydrous sodium sulfate and concentrated under reduced pressure. The resulting residue was subjected to silica gel column chromatography (dichloromethane-methanol) to give {[2-(2-hydroxy-ethoxy)-ethylcarbamoyl]-methyl}-methyl-carbamic acid tert-butyl ester. This was used in the next reaction without complete purification.

Provenance & Evidence