tert-butyl-3-amino-2-hydroxypropyl carbamate 、 3-methyl-1-(((3-nitro-4-(((2S,3R,4S,5S,6R)-3,4,5-triacetoxy-6-(acetoxymethyl)tetrahydro-2H-pyran-2-yl)oxy)benzyl)oxy)carbonyl)-1H-imidazol-3-ium trifluoromethanesulfonate 以
N,N-二甲基甲酰胺 为溶剂,
反应 2.0h,
以77%的产率得到(2R,3S,4S,5R,6S)-2-(acetoxymethyl)-6-(4-(6-hydroxy-11,11-dimethyl-3,9-dioxo-2,10-dioxa-4,8-diazadodecyl)-2-nitrophenoxy)tetrahydro-2H-pyran-3,4,5-triyl triacetate