1-<2,3-Dideoxy-3-fluoro-5-O-(4-phenylbenzoyl)-β-D-erythro-pentofuranosyl>-6,7-dimethoxy-2,4-(1H,3H)-quinazolinedione 在
sodium methylate 作用下,
以
甲醇 为溶剂,
反应 3.0h,
以75%的产率得到1-(2,3-Dideoxy-3-fluoro-β-D-erythro-pentofuranosyl)-6,7-dimethoxy-2,4-(1H,3H)-quinazolinedione