1,1-anhydro-1-C-[5-(4-benzyloxy-phenyl)-methyl-2-(hydroxymethyl)phenyl]-2,3,4,6-tetra-O-acetyl-β-D-glucopyranose 在
10percent palladium catalyst
氢气 作用下,
以
四氢呋喃 、
甲醇 为溶剂,
反应 12.0h,
以90%的产率得到[(2'R,3S,3'R,4'S,5'R)-3',4',5'-triacetyloxy-5-[(4-hydroxyphenyl)methyl]spiro[1H-2-benzofuran-3,6'-oxane]-2'-yl]methyl acetate