(4S)-4-{[(benzyloxy)carbonyl]amino}-5-ethoxy-5-oxopentanoic acid 、
O-(2,3,4,6-tetra-O-acetyl-α-D-glucopyranosyl)-(1[*]6)-O-(2,3,4-tri-O-acetyl-β-D-glucopyranosyl)-(1[*]6)-2,3,4-tri-O-acetyl-α-D-glucopyranosylamine 在
氰基磷酸二乙酯 、
三乙胺 作用下,
以
various solvent(s) 为溶剂,
反应 40.0h,
以47%的产率得到O-(2,3,4,6-tetra-O-acetyl-α-D-glucopyranosyl)-(1[*]6)-O-(2,3,4-tri-O-acetyl-β-D-glucopyranosyl)-(1[*]6)-2,3,4-tri-O-acetyl-N-(1-ethyl N-benzyloxycarbonyl-L-glutam-5-oyl)-α-D-glucopyranosylamine