2-(trimethylsilyl)ethyl 2,6-di-O-benzyl-3-deoxy-3-C-ethyl-4-O-(2,3,4,6-tetra-O-benzyl-α-D-galactopyranosyl)-β-D-galactopyranoside 生成 (2S,3R,4R,5R,6R)-2-[(2R,3R,4R,5R,6R)-4-ethyl-5-hydroxy-2-(hydroxymethyl)-6-(2-trimethylsilylethoxy)oxan-3-yl]oxy-6-(hydroxymethyl)oxane-3,4,5-triol