4-[[5-(Azidomethyl)-2,2-dimethyl-1,3-dioxan-5-yl]methoxy]-4-oxobutanoic acid 、
4-O-[2-(azidomethyl)-3-hydroxy-2-(hydroxymethyl)propyl] 1-O-[2,2-bis[[4-[2-(azidomethyl)-3-hydroxy-2-(hydroxymethyl)propoxy]-4-oxobutanoyl]oxymethyl]butyl] butanedioate 在
4-二甲氨基吡啶 、
N,N'-二环己基碳二亚胺 、
DPTS 作用下,
以
二氯甲烷 为溶剂,
以85%的产率得到4-O-[2-(azidomethyl)-2-[[4-[[5-(azidomethyl)-2,2-dimethyl-1,3-dioxan-5-yl]methoxy]-4-oxobutanoyl]oxymethyl]-3-[4-[2,2-bis[[4-[2-(azidomethyl)-3-[4-[[5-(azidomethyl)-2,2-dimethyl-1,3-dioxan-5-yl]methoxy]-4-oxobutanoyl]oxy-2-[[4-[[5-(azidomethyl)-2,2-dimethyl-1,3-dioxan-5-yl]methoxy]-4-oxobutanoyl]oxymethyl]propoxy]-4-oxobutanoyl]oxymethyl]butoxy]-4-oxobutanoyl]oxypropyl] 1-O-[[5-(azidomethyl)-2,2-dimethyl-1,3-dioxan-5-yl]methyl] butanedioate