Biphenyl-4-carboxylic acid (2R,3R)-3-acetoxy-3-acetoxymethyl-5-(4-isobutyrylamino-2-oxo-2H-pyrimidin-1-yl)-tetrahydro-furan-2-ylmethyl ester 在
氨 作用下,
以
甲醇 为溶剂,
生成 4-Amino-1-((2R,4R,5R)-4-hydroxy-4,5-bis-hydroxymethyl-tetrahydro-furan-2-yl)-1H-pyrimidin-2-one 、 4-Amino-1-((2S,4R,5R)-4-hydroxy-4,5-bis-hydroxymethyl-tetrahydro-furan-2-yl)-1H-pyrimidin-2-one