二乙烯三胺 、
1,2-O-isopropylidene-α-D-glucofuranurono-6,3-lactone 以
乙腈 为溶剂,
反应 2.0h,
以96%的产率得到(2S)-2-[(3aR,5S,6S,6aR)-6-hydroxy-2,2-dimethyl-3a,5,6,6a-tetrahydrofuro[2,3-d][1,3]dioxol-5-yl]-N-[2-[2-[[(2S)-2-[(3aR,5S,6S,6aR)-6-hydroxy-2,2-dimethyl-3a,5,6,6a-tetrahydrofuro[2,3-d][1,3]dioxol-5-yl]-2-hydroxyacetyl]amino]ethylamino]ethyl]-2-hydroxyacetamide