Provided is a glucoside compound, which is capable of providing a phosphoramidite, which can be produced at a low cost and can produce a nucleic acid in a high yield and with high purity.
A glycoside compound represented by the following chemical formula (1).
In the chemical formula (1),
B is an atomic group having a nucleic acid base skeleton, and optionally having a protecting group,
R1 and R2 are each a hydrogen atom or a protecting group,
or R1 and R2 in conjunction optionally form an atomic group represented by the following chemical formula (R1R2A) or (R1R2B):
each R1a is a hydrogen atom, a straight chain or branched alkyl group and the like,
L1 is an unsubstituted or alkyl-substituted ethylene group,
R3 is a group represented by the following chemical formula (R3):
in the chemical formula (R3),
n is a positive integer, and
[D1] is an electron-withdrawing group.
本发明提供了一种能提供亚
磷酰胺的糖苷化合物,它的生产成本低廉,能高产率、高纯度地生产
核酸。
由以下
化学式(1)代表的糖苷化合物。
在
化学式(1)中
B 是具有
核酸碱基骨架的原子团,可选择具有保护基团、
R1 和 R2 各为一个
氢原子或一个保护基团、
或 R1 和 R2 可选择结合形成由以下
化学式(R1R2A)或(R1R2B)表示的原子团:
每个 R1a 是
氢原子、直链或支链烷基等、
L1 是未取代的或烷基取代的
乙烯基、
R3 是由以下
化学式(R3)代表的基团:
在
化学式(R3)中
n 为正整数,且
[D1] 是一个抽电子基团。