tert-butyl 1-(3,5-di-O-benzoyl-2-deoxy-2-fluoro-β-D-arabinofuranosyl)-5-phthalimidoimidazole-4-carboxylate 在
乙醚 作用下,
以
trifluoracetic acid-dichloromethane 为溶剂,
反应 16.0h,
以to yield the titled compound (12) (1.77 g) which的产率得到1-(3,5-di-O-benzoyl-2-deoxy-2-fluoro-beta-D-arabinofuranosyl)-5-phthalimidoimidazole-4-carboxylic acid