申请人:GENEMIND BIOSCIENCES COMPANY LIMITED
公开号:US11512106B2
公开(公告)日:2022-11-29
Nucleoside or nucleotide analog compounds having the structure shown below, a method for preparing them, and applications in nucleic acid sequencing are disclosed. The compounds have formula (I):
wherein L
1
, L
2
, and L
3
are each independently a covalent bond or a covalently linked group; B is a base or a base derivative selected from purines, pyrimidines, or analogs thereof; R
1
is —OH, a phosphate group, or a nucleotide; R
2
as H or a cleavable group; R
3
is a detectable group or a targeting group; R
5
is an inhibitory group; R
4
is H, —NH
2
, or —OR
6
, wherein R
6
is H or a cleavable group; and C is a cleavable group or a cleavable bond.
本发明公开了具有下图所示结构的核苷或核苷酸类似物化合物、其制备方法以及在核酸测序中的应用。这些化合物具有式(I):
其中 L
1
, L
2
和 L
3
各自独立地为共价键或共价连接基团; B 是碱或碱衍生物,选自嘌呤、嘧啶或其类似物; R
1
是-OH、磷酸基团或核苷酸;R
2
为 H 或可裂解基团;R
3
是可检测基团或靶向基团;R
5
是抑制基团
4
是 H、-NH
2
或-OR
6
其中 R
6
是 H 或可裂解基团;C 是可裂解基团或可裂解键。