Synthesis of 2,6-Substituted 7-(Het)aryl-7-deazapurine Nucleobases (2,4-Disubstituted 5-(Het)aryl-pyrrolo[2,3-d]pyrimidines)
作者:Nazarii Sabat、Sabina Smoleń、Petr Nauš、Pavla Perlíková、Magdaléna Cebová、Lenka Poštová Slavětínská、Michal Hocek
DOI:10.1055/s-0036-1588443
日期:2017.10
ribonucleoside counterparts, the 7-deazapurine nucleobases did not exert any significant cytostatic or antiviral effects. A series of 7-(het)aryl-7-deazapurine nucleobases (5-[(het)aryl]-2,4-disubstituted 7H-pyrrolo[2,3-d]pyrimidines) bearing NH2, OMe, SMe, or Me groups at position 6 and H, NH2, or Me at position 2 were prepared by the aqueous Suzuki–Miyaura cross-coupling reactions from SEM-protected
作为“杂环合成的现代策略”专题的一部分发布 抽象的 一系列的7-(杂)芳基- 7-脱氮嘌呤核碱基(5 - [(杂)芳基] -2,4-二取代的7 ħ吡咯并[2,3- d ]嘧啶)轴承NH 2,青梅,SME,Suzuki-Miyaura水溶液通过SEM保护的7-碘-7-脱氮嘌呤与(杂)芳基硼酸的水相Suzuki-Miyaura交叉偶联反应,然后脱保护,可制备6位的Me或Me基以及2位的H,NH 2或Me。通过O-去甲基化反应,将6-甲氧基衍生物进一步转化为7-脱氮杂黄嘌呤或7-脱氮鸟嘌呤。不同于它们的核糖核苷对应物,7-脱氮嘌呤核苷碱基没有发挥任何明显的细胞抑制或抗病毒作用。 一系列的7-(杂)芳基- 7-脱氮嘌呤核碱基(5 - [(杂)芳基] -2,4-二取代的7 ħ吡咯并[2,3- d ]嘧啶)轴承NH 2,青梅,SME,Suzuki-Miyaura水溶液通过SEM保护的7-碘-7-脱氮嘌