6-(methyl{5-[(3aS,4S,6aR)-2-oxohexahydro-1H-thieno[3,4-d]imidazol-4-yl]pentyl}amino)hexanoic acid 、 在
氯甲酸乙酯 、
三乙胺 作用下,
以
N,N-二甲基甲酰胺 为溶剂,
反应 3.0h,
以32.6 mg的产率得到methyl (2-deoxy-3,4-di-O-methyl-2-{[6-(methyl{5-[(3aS,4S,6aR)-2-oxohexahydro-1H-thieno[3,4-d]imidazol-4-yl]pentyl}amino)hexanoyl]amino}-6-O-sulfonato-α-D-glucopyranosyl)-(1→4)-(2,3-di-O-methyl-β-D-glucopyranosyluronate)-(1→4)-(2,3,6-tri-O-sulfonato-α-D-glucopyranosyl)-(1→4)-(2,3-di-O-methyl-α-L-idopyranosyluronate)-(1→4)-(2,3,6-tri-O-sulfonato-α-D-glucopyranoside) sodium