Transition-Metal-Free Cross-Coupling of Acetals and Grignard Reagents To Form Diarylmethyl Alkyl Ethers and Triarylmethanes
作者:Shi-Liang Shi、Yang Qin、Sheng Liu
DOI:10.1055/a-2088-5000
日期:2024.2
reaction of acetals and Grignard reagents. The method provides a modular preparation of diarylmethyl alkyl ethers, triarylmethanes, and 1,1-diarylalkanes that constitute the core structures of many bioactive molecules and synthetic motifs. A series of readily accessible acetals bearing aryl, alkenyl, and alkyl substituents efficiently coupled with commercially available aryl, alkyl, and allylic magnesium
我们在此报告了缩醛和格氏试剂的无过渡金属交叉偶联反应。该方法提供了二芳基甲基烷基醚、三芳基甲烷和 1,1-二芳基烷烃的模块化制备,它们构成了许多生物活性分子和合成基序的核心结构。一系列带有芳基、烯基和烷基取代基的易于获得的缩醛与市售的芳基、烷基和烯丙基溴化镁有效偶联,以高产率生成产物。除了无环和环状缩醛外,缩酮和原酸酯也可作为可行的底物,分别提供位阻叔醚和缩酮。缩醛的连续双官能化导致三芳基甲烷和二芳基烷烃的快速合成。