phenyl 3,4,6-tri-O-benzyl-2-O-(2,2-dimethyltrimethylene phosphonoyl)-β-D-thioglucopyranoside 、
phenyl 2,3,4-tri-O-benzyl-1-thio-β-D-glucopyranoside 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,
以85%的产率得到2-[(2R,3R,4S,5R,6R)-4,5-bis(phenylmethoxy)-6-(phenylmethoxymethyl)-2-[[(2R,3R,4S,5R,6S)-3,4,5-tris(phenylmethoxy)-6-phenylsulfanyloxan-2-yl]methoxy]oxan-3-yl]oxy-5,5-dimethyl-2-oxido-1,3,2-dioxaphosphinan-2-ium