在
哌啶 作用下,
以
N,N-二甲基甲酰胺 为溶剂,
反应 0.5h,
以100%的产率得到3-[[(3aR,5S,6S,6aR)-6-[3-[[(3aR,5S,6S,6aR)-6-[3-[[(3aR,5S,6S,6aR)-6-amino-2,2-dimethyl-3a,5,6,6a-tetrahydrofuro[2,3-d][1,3]dioxole-5-carbonyl]amino]propanoylamino]-2,2-dimethyl-3a,5,6,6a-tetrahydrofuro[2,3-d][1,3]dioxole-5-carbonyl]amino]propanoylamino]-2,2-dimethyl-3a,5,6,6a-tetrahydrofuro[2,3-d][1,3]dioxole-5-carbonyl]amino]propanoic acid