1-(5-O-acetyl-2,3-dideoxy-3-ethylthio-D-erythro-pentofuranosyl)-N
4-isobutyrylcytosine 在
氨 作用下,
以
甲醇 为溶剂,
反应 5.0h,
生成 4-Amino-1-((2R,4S,5R)-4-ethylsulfanyl-5-hydroxymethyl-tetrahydro-furan-2-yl)-1H-pyrimidin-2-one 、
4-Amino-1-((2S,4S,5R)-4-ethylsulfanyl-5-hydroxymethyl-tetrahydro-furan-2-yl)-1H-pyrimidin-2-one