Acetic acid (2R,3R,4R,5R)-4-acetoxy-5-acetoxymethyl-2-[3-methyl-6-(3-methyl-butyl)-7-oxo-6,7-dihydro-pyrazolo[4,3-d]pyrimidin-1-yl]-tetrahydro-furan-3-yl ester 在
氨 作用下,
反应 18.0h,
以81%的产率得到1-((2R,3R,4S,5R)-3,4-Dihydroxy-5-hydroxymethyl-tetrahydro-furan-2-yl)-3-methyl-6-(3-methyl-butyl)-1,6-dihydro-pyrazolo[4,3-d]pyrimidin-7-one