benzyloxycarbonylmethyl 3-O-(2,3,4,6-tetra-O-acetyl-β-D-galactopyranosyl)-2-azido-2-deoxy-4,6-O-isopropylidene-α-D-galactopyranoside 在
溶剂黄146 作用下,
反应 4.0h,
生成 [(2S,3R,4R,5R,6R)-3-Azido-5-hydroxy-6-hydroxymethyl-4-((2R,3R,4S,5S,6R)-3,4,5-triacetoxy-6-acetoxymethyl-tetrahydro-pyran-2-yloxy)-tetrahydro-pyran-2-yloxy]-acetic acid benzyl ester