乙硫醇 、
N-[(2S,3S,4S,5R,6R)-5-((3aS,4R,6S,7R,7aS)-7-Benzyloxy-4-benzyloxymethyl-2-oxo-tetrahydro-[1,3]dioxolo[4,5-c]pyran-6-yloxy)-6-benzyloxymethyl-3-iodo-4-triethylsilanyloxy-tetrahydro-pyran-2-yl]-benzenesulfonamide 在
lithium hexamethyldisilazane 作用下,
以
四氢呋喃 、
N,N-二甲基甲酰胺 为溶剂,
反应 1.0h,
以90%的产率得到N-[(2S,3R,4R,5R,6R)-5-[[(3aS,4R,6S,7R,7aS)-2-oxo-7-phenylmethoxy-4-(phenylmethoxymethyl)-4,6,7,7a-tetrahydro-3aH-[1,3]dioxolo[4,5-c]pyran-6-yl]oxy]-2-ethylsulfanyl-6-(phenylmethoxymethyl)-4-triethylsilyloxyoxan-3-yl]benzenesulfonamide