N-Branched acyclic nucleoside phosphonates as monomers for the synthesis of modified oligonucleotides
作者:Dana Hocková、Šárka Rosenbergová、Petra Ménová、Ondřej Páv、Radek Pohl、Pavel Novák、Ivan Rosenberg
DOI:10.1039/c4ob02265c
日期:——
N-branched nucleoside phosphonates containing adenine and thymine bases were prepared as the monomers for the introduction of aza-acyclic nucleotide units into modified oligonucleotides. The phosphotriester and phosphoramidite methods were used for the incorporation of modified and natural units, respectively. The solid phase synthesis of a series of nonamers containing one central modified unit was
受保护的N制备了含有腺嘌呤和胸腺嘧啶碱基的β-支链核苷膦酸酯作为单体,用于将氮杂-无环核苷酸单元引入修饰的寡核苷酸中。磷酸三酯和亚磷酰胺方法分别用于掺入改性和天然单元。在3'→5'和5'→3'方向成功进行了一系列包含一个中央修饰单元的九聚体的固相合成。评价了制备的寡核糖核苷酸和寡脱氧核糖核苷酸的杂交特性。修饰的九聚体与互补链的复合物的热特性的测量揭示了引入的单元的相当大的去稳定作用。