2-aminoethyl O-(5-acetamido-3,5-dideoxy-D-glycero-α-D-galacto-non-2-ulopyranosylonic acid)-(2->3)-[2-acetamido-2-deoxy-O-β-D-galactopyranosyl-(1->4)]-O-(β-D-galactopyranosyl)-(1->4)-O-β-D-glucopyranoside acetic acid salt 、
N-丁二酸S-乙酰基巯基乙二醇酯 以
二甲基亚砜 为溶剂,
反应 0.5h,
以38%的产率得到