molecules. Here we report that chiral N-substituted 4-pyrimidinones were prepared by an enantioselective, organocatalytic aza-Michael addition of 4(3H)-pyrimidinone (4-hydroxypyrimidine) to α,β-unsaturated 1,4-dicarbonyl compounds for the first time. The reactions were optimized by the choice of solvents, screening Cinchona alkaloid-based bifunctional catalysts, and Michael acceptors to achieve good yields
4-
嘧啶酮的框架普遍存在于
生物学和医学上重要的分子中。在这里,我们报道了手性N-取代的 4-
嘧啶酮是通过对映选择性有机催化 aza-Michael 加成 4(3 H )-
嘧啶酮 (4-
羟基嘧啶) 到 α,β-不饱和 1,4-二羰基化合物中的第一个时间。通过选择溶剂、筛选基于
金鸡纳
生物碱的双功能催化剂和迈克尔受体来优化反应,以实现良好的收率和对映选择性。