[(2R,3R,4R,5R)-3,4-dibenzoyloxy-5-(2,7-dioxo-8H-pyrido[2,3-d]pyrimidin-3-yl)-4-methyloxolan-2-yl]methyl benzoate 在
甲醇 、
sodium methylate 作用下,
反应 18.0h,
生成 3-[(2R,3R,4R,5R)-3,4-dihydroxy-5-(hydroxymethyl)-3-methyloxolan-2-yl]-8H-pyrido[2,3-d]pyrimidine-2,7-dione