Provided is a ribonucleoside derivative represented by General Formula (I):
(wherein R
1
represents a hydrogen atom or the like, R
2
represents a hydrogen atom or the like, R
3
represents a methyl group or the like, and B represents a nucleic acid base residue optionally having a protecting group or a modifying group). An RNA containing this ribonucleoside derivative shows excellent hybridization ability and resistance to nuclease.
提供的是一种
核糖核苷衍
生物,其通式表示为(I):(其中R1表示氢原子或类似物,R2表示氢原子或类似物,R3表示甲基基团或类似物,B表示一个核酸碱基残基,可选地具有保护基或修饰基)。含有这种
核糖核苷衍
生物的RNA表现出优异的杂交能力和
核酸酶抗性。