deep mechanistic insights into ribozyme-catalyzed reactions. “Photocaged” 3′-S- RNAs could provide a strategy to stall reactions at the chemical stage and release them after assembly steps have occurred. Toward this end, we describe here an approach for the synthesis of 2′-O-(o-nitrobenzyl)-3′-thioguanosine phosphoramidite starting from N2-isobutyrylguanosine in nine steps with 10.2% overall yield. Oligonucleotides
含有 3'- S-
硫代磷酸酯键的寡
核糖核苷酸具有的特性可以揭示对核酶催化反应的深入机制洞察。“光笼”3'- S -RNA 可以提供一种策略,在
化学阶段停止反应并在组装步骤发生后释放它们。为此,我们在此描述了一种从N 2 -异丁酰
鸟苷开始,分九步合成 2'- O-(邻硝基苄基)-3'-
硫代
鸟苷亚
磷酰胺的方法,总产率为 10.2%。含有 2'- O- ( o-硝基苄基)-3'- S 的寡核苷酸然后构建、表征和用于核前体mRNA剪接反应中-
鸟苷核苷酸。