(1R,2S,4S,5S)-N-(tert-butoxycarbonyl)-2-acetamido-4-tertbutyldimethylsilyloxymethyl-3-azabicyclo[3.2.0]heptane 、
tert-butyl (1S,2S,4R,5R)-2-[[tert-butyl(dimethyl)silyl]oxymethyl]-4-(5-methyl-2,4-dioxopyrimidin-1-yl)-3-azabicyclo[3.2.0]heptane-3-carboxylate 在
四丁基氟化铵 作用下,
以
四氢呋喃 为溶剂,
反应 2.5h,
以57 mg的产率得到(1'R,2'R,4'S,5'S)-1-[N-(tert-butoxycarbonyl)-4'-hydroxymethyl-3'-azabicyclo[3.2.0]hept-2'-yl]thymine