A 1β-substituted-2-hydroxy(or unsubstituted)-3(or 4)-fluoro-4β-hydroxymethyl cyclopentane derivative having the formula:
wherein B is a residue of a nucleic acid base, an azido group, an amino group or an amino group protected by a protecting group; R¹ is a hydrogen atom or a hydroxyl-protecting group; and X is a hydrogen atom or -OR² wherein R² is a hydrogen atom or a hydroxyl-protecting group, provided that the fluorine atom F is present at the 3α-, 3β- or 4α-position.
一种 1β-取代-2-羟基(或未取代)-3(或 4)-
氟-4β-羟
甲基环戊烷衍
生物,其式为: 其中 B 是核酸碱基残基、
叠氮基、
氨基或受保护基保护的
氨基;R¹ 是氢原子或羟基保护基;X 是氢原子或-OR²,其中 R² 是氢原子或羟基保护基,条件是
氟原子 F 存在于 3α-、3β 或 4α 位。