反应详情

A solution of methyl 3-[(2-aminoethylthio)methyl]-4-oxo-4-(3-pyridyl)butanoate (747 mg), 3-(acetylamino)propanoic acid (302 mg), dicyclohexylcarbodiimide (433 mg), 1-hydroxybenzotriazole (567 mg) and N-methylmorpholine (402 mg) in dichloromethane (10 mL) were stirred at room temperature overnight. The solution was concentrated and purified by flash chromatography (SiO2, chloroform:methanol=9:1) to give the title compound in 75% yield; ESMS (M+1)+353.

1. concentrationThe solution was concentrated
2. custompurified by flash chromatography (SiO2, chloroform:methanol=9:1)