6-chlorohexyl 2-acetamido-4-O-[2,4-di-O-acetyl-6-O-tert-butyldiphenylsilyl-3-O-[4-O-(2,3,4-tri-O-benzyl-α-L-fucopyranosyl)-2-acetamido-3-O-acetyl-6-O-benzyl-2-deoxy-β-D-glucopyranosyl]-β-D-galactopyranosyl]-3-acetyl-6-O-benzyl-2-deoxy-β-D-glucopyranoside 在
sodium methylate 作用下,
以
甲醇 为溶剂,
反应 2.0h,
以100%的产率得到6-chlorohexyl 2-acetamido-4-O-[6-O-tert-butyldiphenylsilyl-3-O-[4-O-(2,3,4-tri-O-benzyl-α-L-fucopyranosyl)-2-acetamido-6-O-benzyl-2-deoxy-β-D-glucopyranosyl]-β-D-galactopyranosyl]-6-O-benzyl-2-deoxy-β-D-glucopyranoside