N-<<6-amino-1-(2,3,5-tri-O-acetyl-β-D-ribofuranosyl)-4,5-dihydro-4-oxopyrazolo<3,4-d>pyrimidin-3-yl>carbonyl>-L-phenylalanine methyl ester 在
氨 作用下,
以
甲醇 为溶剂,
反应 12.0h,
以70%的产率得到N-<(6-amino-1-β-D-ribofuranosyl-4,5-dihydro-4-oxo-pyrazolo<3,4-d>pyrimidin-3-yl)carbonyl>-L-phenylalanine amide