2-acetamido-2-deoxy-3,4,6-tri-O-acetyl-α-D-galactopyranosyl-(1->4)-2-acetamido-2-deoxy-3,6-di-O-acetyl-α-D-galactopyranosyl-(1->3)-2,4-diacetamido-2,4,6-trideoxy-α-D-glucopyranosyl phosphate 、 disodium undecaprenyl phosphate 在
N,N'-羰基二咪唑 作用下,
以
N,N-二甲基甲酰胺 、
甲醇 、
1,2-二氯乙烷 为溶剂,
反应 78.0h,
以67%的产率得到undecaprenyl 2-acetamido-2-deoxy-3,4,6-tri-O-acetyl-α-D-galactopyranosyl-(1->4)-2-acetamido-2-deoxy-3,6-di-O-acetyl-α-D-galactopyranosyl-(1->3)-2,4-diacetamido-2,4,6-trideoxy-α-D-glucopyranosyl diphosphate