2-Trimethylsilanyl-ethanesulfonic acid [(2S,3R,4R,5S,6R)-4-benzyloxy-5-((3aS,4R,6S,7R,7aS)-7-benzyloxy-4-benzyloxymethyl-2-oxo-tetrahydro-[1,3]dioxolo[4,5-c]pyran-6-yloxy)-6-benzyloxymethyl-2-ethylsulfanyl-tetrahydro-pyran-3-yl]-amide 在
吡啶 、
sodium methylate 作用下,
以
甲醇 为溶剂,
生成
Acetic acid (2R,3S,4S,5R,6S)-3-acetoxy-5-benzyloxy-6-[(2R,3S,4R,5R,6S)-4-benzyloxy-2-benzyloxymethyl-6-ethylsulfanyl-5-(2-trimethylsilanyl-ethanesulfonylamino)-tetrahydro-pyran-3-yloxy]-2-benzyloxymethyl-tetrahydro-pyran-4-yl ester