2-(trimethylsilyl)ethyl (2-acetamido-3,6-di-O-benzyl-2-deoxy-β-D-glucopyranosyl)-(1->3)-(2,4,6-tri-O-benzyl-β-D-galactopyranosyl-(1->4)-2,3,6-tri-O-benzyl-β-D-glucopyranoside 、
Methyl O-(methyl 4,5,7,8,9-penta-O-acetyl-3-deoxy-D-glycero-α-D-galacto-2-nonulopyranosylonate)-(2->6)-2,4-di-O-benzoyl-3-O-benzyl-1-thio-β-D-galactopyranoside 在
4 A molecular sieve 、
DMTST 作用下,
以
二氯甲烷 为溶剂,
反应 48.0h,
以81%的产率得到2-(Trimethylsilyl)ethyl O-(methyl 4,5,7,8,9-penta-O-acetyl-3-deoxy-D-glycero-α-D-galacto-2-nonulopyranosylonate)-(2->6)-O-(2,4-di-O-benzoyl-3-O-benzyl-β-D-galactopyranosyl)-(1->4)-O-(2-acetamido-3,6-di-O-benzyl-2-deoxy-β-D-glucopyranosyl)-(1->3)-O...