HRID2050616
反应详情
EQUATION
反应方程式
REACTANTS
反应物
PRODUCTS
生成物
PROCEDURE
实验过程
t-Butyl (4S)-1-methyl-3-[(2R)-2-(p-toluenesulfonyloxy)propionyl]-2-oxoimidazolidine-4-carboxylate (1 g) obtained in Example 1 - (1) and benzyl (2S)-2-amino-4-phenylbutyrate (1.55 g) were treated similarly as in Example 1 - (2) to give t-butyl (4S)-1-methyl-3-{(2S)-2-[N-((1S)-1-benzyloxycarbonyl-3-phenyl-propyl)amino]propionyl}-2-oxoimidazolidine-4-carboxylate (1.01 g) as colorless syrup. Yield: 82.3%.