mecapto-tert-butyl 2-O-acetyl-3,4,6-tri-O-benzoyl-α-D-mannopyranosyl-(1→2)-3,4,6-tri-O-benzoyl-α-D-mannopyranosyl-(1→2)-3,4,6-tri-O-benzoyl-α-D-mannopyranosyl-(1→3)-2,4,6-tri-O-benzoyl-1-thio-β-D-mannopyranoside 在
三甲基膦 作用下,
以
四氢呋喃 为溶剂,
反应 0.5h,
以99%的产率得到2-O-acetyl-3,4,6-tri-O-benzoyl-α-D-mannopyranosyl-(1→2)-3,4,6-tri-O-benzoyl-α-D-mannopyranosyl-(1→2)-3,4,6-tri-Obenzoyl-α-D-mannopyranosyl-(1→3)-2,4,6-tri-O-benzoyl-1-thio-β-D-mannopyranose