作者:Moisés Domínguez、Matías Vidal、Macarena García-Arriagada、Marcos Rezende
DOI:10.1055/s-0035-1562788
日期:——
the prepared tosylates with phenylboronic acid. Ultrasound irradiation promoted the cyclocondensation of β-keto esters and amidines in good to excellent yields to form sixteen highly substituted 4-pyrimidinols. Tosylation of these compounds, in another ultrasound-promoted conversion, formed 4-pyrimidyl tosylates in high yields. The use of the developed protocol as an alternative route to 4-arylpyrimidines
摘要 超声波辐照以良好至优异的产率促进了β-酮酯和am的环缩合反应,形成了十六个高度取代的4-嘧啶醇。这些化合物的甲苯磺酸化,在另一个超声促进的转化中,以高收率形成了4-嘧啶甲苯磺酸盐。所制备的甲苯磺酸盐与苯基硼酸的Suzuki-Miyaura交叉偶联的三个例子说明了使用已开发的方案作为替代4-芳基嘧啶的方法。 超声波辐照以良好至优异的产率促进了β-酮酯和am的环缩合反应,形成了十六个高度取代的4-嘧啶醇。这些化合物的甲苯磺酸化,在另一个超声促进的转化中,以高收率形成了4-嘧啶甲苯磺酸盐。所制备的甲苯磺酸盐与苯基硼酸的Suzuki-Miyaura交叉偶联的三个例子说明了使用已开发的方案作为替代4-芳基嘧啶的方法。