Acetic acid (2R,3R)-2-acetoxymethyl-3-[2-(tert-butyl-dimethyl-silanyloxy)-ethoxymethyl]-5-(5-methyl-2,4-dioxo-3,4-dihydro-2H-pyrimidin-1-yl)-tetrahydro-furan-3-yl ester 在
氨 作用下,
以
甲醇 为溶剂,
反应 48.0h,
以65%的产率得到1-{(2S,4R,5R)-4-[2-(tert-Butyl-dimethyl-silanyloxy)-ethoxymethyl]-4-hydroxy-5-hydroxymethyl-tetrahydro-furan-2-yl}-5-methyl-1H-pyrimidine-2,4-dione