Reaction of β-alkoxyvinyl α-ketoesters with acyclic NCN binucleophiles – Scalable approach to novel functionalized pyrimidines
作者:Oleksandr O. Stepaniuk、Tymofii V. Rudenko、Bohdan V. Vashchenko、Vitalii O. Matvienko、Ivan S. Kondratov、Andrey A. Tolmachev、Oleksandr O. Grygorenko
DOI:10.1016/j.tet.2019.05.005
日期:2019.6
protocols for synthesis of series of low-molecular-weight di- and tri-substituted pyrimidines bearing a functional group at the 4th position, which rely on a base-mediated condensation of amidines or guanidines with β-alkoxyvinyl α-keto esters, have been developed. This approach allowed for multigram preparation of novel pyrimidine-4-carboxylates in 21–90% yield. The synthetic utility of these compounds
两种合成一系列依赖于在第4位带有官能团的低分子量二取代和三取代的嘧啶的方法有两个方案,它们依赖于am或胍与β-烷氧基乙烯基α-酮酯的碱介导缩合。已开发。这种方法可以以21-90%的产率制备新型嘧啶-4-羧酸酯的克图。这些化合物的合成效用通过一些标准的官能团转化得到证明,为有机合成和药物发现提供了有希望的基础。