phenyl 3,4,6-tri-O-benzyl-2-O-(2,2-dimethyltrimethylene phosphonoyl)-β-D-thioglucopyranoside 、
[(2R,3S,4R,5R,6S)-4-benzoyloxy-2-(hydroxymethyl)-6-phenylsulfanyl-5-(4,5,6,7-tetrachloro-1,3-dioxoisoindol-2-yl)oxan-3-yl] benzoate 在
2,6-二叔丁基-4-甲基吡啶 、
1-(phenylthio)piperidine 、
三氟甲磺酸酐 作用下,
以
二氯甲烷 为溶剂,
反应 0.42h,
以98%的产率得到[(2R,3S,4R,5R,6S)-4-benzoyloxy-2-[[(2R,3R,4S,5R,6R)-3-[(5,5-dimethyl-2-oxido-1,3,2-dioxaphosphinan-2-ium-2-yl)oxy]-4,5-bis(phenylmethoxy)-6-(phenylmethoxymethyl)oxan-2-yl]oxymethyl]-6-phenylsulfanyl-5-(4,5,6,7-tetrachloro-1,3-dioxoisoindol-2-yl)oxan-3-yl] benzoate