N-叔丁氧羰基-4-哌啶酮 、 methyl 5-acetamido-2,4,7,8,9-penta-O-acetyl-3,5-dideoxy-D-glycero-D-galacto-2-nonulopyranosonate 在
samarium diiodide 作用下,
以
四氢呋喃 为溶剂,
反应 3.5h,
以95%的产率得到4-C-[methyl(5-acetamido-4,7,8,9-tetra-O-acetyl-3,5-dideoxy-D-glycero-α-D-galacto-non-2-ulopyranosyl)onate]-N-(tert-butoxycarbonyl)-4-piperidinol