2-(trimethylsilyl)ethyl 6-((E)-2-((4S,6R)-6-(2-(1,1-dimethylethoxy)-2-oxoethyl)-2,2-dimethyl-1,3-dioxan-4-yl)ethenyl)-5-(4-fluorophenyl)-7-(1-methylethyl)-3,4-dihydro-1,8-naphthyridine-1(2H)-carboxylate 在
四丁基氟化铵 作用下,
以
四氢呋喃 为溶剂,
反应 3.0h,
以63%的产率得到1,1-dimethylethyl 2-((4R,6S)-6-((E)-2-(4-(4-fluorophenyl)-2-(1-methylethyl)-5,6,7,8-tetrahydro-1,8-naphthyridin-3-yl)ethenyl)-2,2-dimethyl-1,3-dioxan-4-yl)acetate