(4R,5S)-5-(((4R,5S)-5-(azidomethyl)-2,2-dimethyl-1,3-dioxolane-4-carboxamindo)methyl)-2,2-dimethyl-1,3-dioxolane-4-carboxylic acid 、
在
O-(benzotriazol-1-yl)-N,N,N',N'-tetramethyluronium tetrafluoroborate 、
N,N-二异丙基乙胺 作用下,
以
二氯甲烷 、
N,N-二甲基甲酰胺 为溶剂,
反应 24.0h,
以96 mg的产率得到propan-2-yl (4R,5S)-5-[[[(4R,5S)-5-[[[(4R,5S)-5-[[[(4R,5S)-5-[[[(4R,5S)-5-[[[(4R,5S)-5-(azidomethyl)-2,2-dimethyl-1,3-dioxolane-4-carbonyl]amino]methyl]-2,2-dimethyl-1,3-dioxolane-4-carbonyl]amino]methyl]-2,2-dimethyl-1,3-dioxolane-4-carbonyl]amino]methyl]-2,2-dimethyl-1,3-dioxolane-4-carbonyl]amino]methyl]-2,2-dimethyl-1,3-dioxolane-4-carbonyl]amino]methyl]-2,2-dimethyl-1,3-dioxolane-4-carboxylate