propargyl 2,3,6-tri-O-acetyl-4-O-(2,3,4,6-tetra-O-acetyl-β-D-galactopyranosyl)-1-thio-β-D-glucopyranoside 、
tert-butyl (S)-4-azido-3-fluoromethyloxycarbamidobutyrate 在
N,N-二异丙基乙胺 作用下,
以
甲苯 为溶剂,
反应 0.5h,
以66%的产率得到tert-butyl (3S)-3-{[(9H-fluoren-9-ylmethoxy)carbonyl]amino}-4-[(4-{[(2,3,4,6-tetra-O-acetyl-β-D-galactopyranosyl(1->4)-2,3,6-tri-O-acetyl-β-D-glucopyranosyl]thio}methyl)-1H-1,2,3-triazol-1-yl]butanoate