Straightforward Synthesis of Purine 4′-Alkoxy-2′-deoxynucleosides: First Report of Mixed Purine–Pyrimidine 4′-Alkoxyoligodeoxynucleotides as New RNA Mimics
作者:Magdalena Petrová、Ondřej Páv、Miloš Buděšínský、Eva Zborníková、Pavel Novák、Šárka Rosenbergová、Ondřej Pačes、Radek Liboska、Ivana Dvořáková、Ondřej Šimák、Ivan Rosenberg
DOI:10.1021/acs.orglett.5b01430
日期:2015.7.17
were efficiently prepared from nucleoside 4′-5′-enol acetates in three steps by N-iodosuccinimide promoted alkoxylation, hydrolysis, and reduction followed by conversion to phosphoramidite monomers for the solid-phase synthesis of the oligonucleotides. Fully modified 4′-alkoxyoligodeoxynucleotides, which are characterized by a prevalent N-type (RNA-like) conformation, exhibited superior chemical and
通过N-碘代琥珀酰亚胺促进的烷氧基化,水解和还原反应,然后转化为亚磷酰胺单体进行固相分三步,由核苷4'-5'-烯醇乙酸酯高效地制备了嘌呤和嘧啶4'-烷氧基-2'-脱氧核苷寡核苷酸的合成。以普遍的N型(RNA样)构象为特征的经过完全修饰的4'-烷氧基寡聚脱氧核苷酸表现出优异的化学和核酸酶抗性以及出色的杂交特性,具有很强的RNA选择性杂交趋势,表明其潜在的应用前景。反义技术中的4'-烷氧基-寡脱氧核苷酸。