The Synthesis of 2?- O -[(Triisopropylsilyl)oxy] methyl ( TOM ) Phosphoramidites of Methylated Ribonucleosides ( m 1 G , m 2 G , m 2 2 G , m 1 I , m 3 U , m 4 C , m 6 A , m 6 2 A ) for Use in Automated RNA Solid-Phase Synthesis
作者:Claudia H�bartner、Christoph Kreutz、Elke Flecker、Elke Ottenschl�ger、Werner Pils、Karl Grubmayr、Ronald Micura
DOI:10.1007/s00706-003-0592-1
日期:2003.5.1
The straightforward synthesis of eight methylated ribonucleoside phosphoramidites is described. These building blocks allow for incorporation of the naturally occuring nucleosides 1-methylguanosine ( m 1 G ), N 2-methylguanosine ( m 2 G ), N 2, N 2-dimethylguanosine ( m 2 2 G ), 1-methylinosine ( m 1 I ), 3-methyluridine ( m 3 U ), N 4-methylcytidine ( m 4 C ), N 6-methyladenosine ( m 6 A ), and N
描述了八种甲基化核糖核苷亚磷酰胺的直接合成。这些构建块允许天然存在的核苷1-甲基鸟(掺入 米 1 ģ ), Ñ 2 -methylguanosine( 米 2 ģ ), Ñ 2, Ñ 2 -dimethylguanosine( 米 2 2 G ^ ),1- methylinosine( 米 1 I ),3-甲基尿苷( m 3 U ), N 4-甲基胞苷( m 4 C ), N 6-甲基腺苷( m 6 A )和 N 6, N 6-二甲基腺苷( m 6 2 A )通过自动 RNA 固相合成形成寡核糖核苷酸 。在所有情况下,构件的核糖2'-羟基均被最近引入的[(三异丙基甲硅烷基)氧基]甲基( TOM )掩盖 。