[(2S,3R,4R,5S,6S)-6-[(2R,3R,4R,5S,6R)-5-acetamido-3-hydroxy-2-(hydroxymethyl)-6-phenylmethoxyoxan-4-yl]sulfanyl-4,5-diacetyloxy-2-methyloxan-3-yl] acetate 在
三氟甲磺酸酐 、
偶氮二甲酸二异丙酯 、
三苯基膦 、
phenyl 2,3,4,6-tetra-O-benzoyl-1-sulfinyl-β-D-galactopyranoside 作用下,
以
四氢呋喃 为溶剂,
反应 3.0h,
生成 Acetic acid (2S,3S,4R,5R,6S)-4,5-diacetoxy-2-[(1R,5S,6R,8R,9R)-6-benzyloxy-8-(4-methoxy-phenoxymethyl)-3-methyl-2,7-dioxa-4-aza-bicyclo[3.3.1]non-3-en-9-ylsulfanyl]-6-methyl-tetrahydro-pyran-3-yl ester