6-O-acetyl-4-O-allyl-2-O-(6-O-acetyl-2-O-allyl-3,4-di-O-benzoyl-α-D-galactopyranosyl)-3-O-benzyl-α-D-mannopyranosyl bromide 、
8-methoxycarbonyloct-1-yl 2,3-O-cyclohexylidene-α-L-rhamnopyranoside 在
4 A molecular sieve 、 mercury(II) iodide 作用下,
以
氯仿 为溶剂,
反应 96.0h,
以26%的产率得到8-methoxycarbonyloct-1-yl 4-O-(6-O-acetyl-4-O-allyl-2-O-(6-O-acetyl-2-O-allyl-3,4-di-O-benzoyl-α-D-galactopyranosyl)-3-O-benzyl-β-D-mannopyranosyl)-2,3-O-cyclohexylidene-α-L-rhamnopyranoside