3-Benzoyl-1-((3aS,4R,6aR)-6-tert-butoxymethyl-2,2-dimethyl-4,6a-dihydro-3aH-cyclopenta[1,3]dioxol-4-yl)-5-chloro-1H-pyrimidine-2,4-dione 在
氨 作用下,
以
甲醇 为溶剂,
反应 3.0h,
以397 mg的产率得到(1'S,2'R,3'S)-(-)-1-[2,3-(isopropylidenedioxy)-4-(tert-butoxymethyl)-4-cyclopenten-1-yl]-5-chlorouracil