(1R,3S,4R,5S,6R)-1-azidomethyl-5,6-dibenzyloxy-2,7-dioxabicyclo[2.2.1]heptane-3-carboxylic acid 、
N-苄氧羰基乙二胺盐酸盐 在
N-羟基-7-氮杂苯并三氮唑 、
N,N-二异丙基乙胺 、 N-[(dimethylamino)-3-oxo-1H-1,2,3-triazolo[4,5-b]pyridin-1-yl-methylene]-N-methylmethanaminium hexafluorophosphate 作用下,
以
二氯甲烷 为溶剂,
反应 2.0h,
以78%的产率得到benzyl (2-((1R,3S,4R,5S,6R)-1-(azidomethyl)-5,6-bis(benzyloxy)-2,7-dioxabicyclo[2.2.1]heptane-3-carboxamido)ethyl)carbamate