2-acetylamino-6-bromo-3,4-dihydro-3-methoxymethyl-4-oxo-7-(2,3,5-tri-O-acetyl-β-D-arabinofuranosyl)-7H-pyrrolo<2,3-d>pyrimidine-5-carboxylic acid 在
palladium on activated charcoal
氢气 、
potassium acetate 作用下,
以
甲醇 为溶剂,
反应 0.5h,
以84%的产率得到2-acetylamino-3,4-dihydro-3-methoxymethyl-4-oxo-7-(2,3,5-tri-O-acetyl-β-D-arabinofuranosyl)-7H-pyrrolo<2,3-d>pyrimidine-5-carboxylic acid