二碳酸二叔丁酯 、 methyl (1-(1,1,5,5-tetramethylpiperidinyloxy)-5-acetamido-4,7,8,9-tetra-O-acetyl-3,5-dideoxy-2-thio-D-glycero-D-galacto-non-2-ulopyranoside)onate 在
4-二甲氨基吡啶 作用下,
以
四氢呋喃 为溶剂,
反应 10.0h,
以175 mg的产率得到methyl (1-(1,1,5,5-tetramethylpiperidinyloxy)-5-acetamido-5-N-(1,1-dimethylethoxy)carbonyl-4,7,8,9-tetra-O-acetyl-3,5-dideoxy-2-thio-D-glycero-β-D-galacto-non-2-ulopyranoside)onate