C-((2S,3S,4aR,5aS,7S,8S,9aR,10aR)-8-Azidomethyl-2,3-dimethoxy-2,3-dimethyl-dodecahydro-naphtho[2,3-b][1,4]dioxin-7-yl)-methylamine 、 [(2R,3R,4aS,6S,7S,8aR)-6,7-Bis-(tert-butyl-diphenyl-silanyloxymethyl)-3-ethoxycarbonylmethoxy-decahydro-naphthalen-2-yloxy]-acetic acid 在
1-羟基苯并三唑 、
N,N-二异丙基乙胺 作用下,
以
二氯甲烷 为溶剂,
反应 1.0h,
以83%的产率得到ethyl 2-[[(2R,3R,4aR,6S,7S,8aS)-3-[2-[[(2S,3S,4aR,5aR,7S,8S,9aS,10aR)-7-(azidomethyl)-2,3-dimethoxy-2,3-dimethyl-4a,5,5a,6,7,8,9,9a,10,10a-decahydronaphtho[2,3-b][1,4]dioxin-8-yl]methylamino]-2-oxoethoxy]-6,7-bis[[tert-butyl(diphenyl)silyl]oxymethyl]-1,2,3,4,4a,5,6,7,8,8a-decahydronaphthalen-2-yl]oxy]acetate