benzyl {{[(S)-2-hydroxycarbonyl-2-(9-fluorenylmethoxycarbonylamino)]ethyl}-2,3,4,6-tetra-O-acetyl-α-D-mannopyranosyl}phosphate 在
sodium iodide 作用下,
以
乙腈 为溶剂,
生成 (S)-2-(9H-Fluoren-9-ylmethoxycarbonylamino)-3-[hydroxy-((2R,3S,4S,5R,6R)-3,4,5-triacetoxy-6-acetoxymethyl-tetrahydro-pyran-2-yloxy)-phosphoryloxy]-propionic acid