Synthesis of RNA 5′-Azides from 2′-<i>O</i>-Pivaloyloxymethyl-Protected RNAs and Their Reactivity in Azide–Alkyne Cycloaddition Reactions
作者:Marcin Warminski、Joanna Kowalska、Jacek Jemielity
DOI:10.1021/acs.orglett.7b01591
日期:2017.7.7
Commercially available 2′-O-pivaloyloxymethyl (PivOM) phosphoramidites were employed in an SPS protocol for RNA 5′ azides. The utility of the N3-RNAs in CuAAC and SPAAC was demonstrated by RNA 5′ labeling, chemical ligation including fragment joining and cyclization, and bioconjugation. As a result, several new RNA conjugates that may be valuable tools for studies on biological events such as innate
用于5S叠氮化物的SPS方案中使用了市售的2'- O-新戊酰氧基甲基(PivOM)亚磷酰胺。N 3 -RNA在CuAAC和SPAAC中的实用性通过RNA 5'标记,包括片段连接和环化的化学连接以及生物缀合得到证明。结果,获得了几种新的RNA偶联物,它们可能是研究生物学事件的有价值的工具,例如先天免疫应答(环状二核苷酸),转录后基因调控(环状RNA)或mRNA周转率(m 7 G上限的RNA)。 。