Propargylethoxyamino nucleosides are disclosed having the structure
1
wherein R
1
and R
2
are —H, lower alkyl, or label; B is a 7-deazapurine, purine, or pyrimidine nucleoside base; W
1
is —H or —OH; W
2
is —OH or a moiety which renders the nucleoside incapable of forming a phosphodiester bond at the 3′-position; and W
3
is
—PO
4
, —P
2
O
7
, —P
3
O
10
, phosphate analog, or —OH. Additionaly, a primer extension method is provided employing the above propargylethoxyamino nucleosides.
本文揭示了具有以下结构的
丙炔基乙氧基
氨基核苷:
其中,R1和R2为—H、低碳基或标记;B为7-去氮
嘌呤、
嘌呤或
嘧啶核苷酸碱基;W1为—H或—OH;W2为—OH或一种使核苷酸无法在3'-位点形成
磷酸二酯键的基团;W3为—PO4、—P2O7、—P3O10、
磷酸盐类似物或—OH。此外,提供了一种使用上述
丙炔基乙氧基
氨基核苷的引物延伸方法。