Synthesis of Mono- and Bis(fluoroalkyl)pyrimidines from FARs, Fluorinated Acetoacetates, and Malononitrile Provides Easy Access to Novel High-Value Pyrimidine Scaffolds
作者:Etienne Schmitt、Bruno Commare、Armen Panossian、Jean-Pierre Vors、Sergiy Pazenok、Frédéric R. Leroux
DOI:10.1002/chem.201703982
日期:2018.1.26
A new strategy was developed using fluorinated acetoacetates, malononitrile, and fluoroalkyl amino reagents (FARs) to access unprecedented 4,6‐bis(fluoroalkyl)pyrimidine‐5‐carboxylates, their carboxylic acid analogues, and 4‐amino‐6‐(fluoroalkyl)pyrimidine‐5‐carbonitriles. An efficient cyclization step using suitable amidines was developed under microwave irradiation, providing the desired pyrimidines
使用氟化乙酰乙酸酯,丙二腈和氟代烷基氨基试剂(FAR)开发了一种新策略,以获取前所未有的4,6-双(氟代烷基)嘧啶-5-羧酸酯,其羧酸类似物和4-氨基-6-(氟代烷基)嘧啶5腈。在微波辐射下开发了一种使用合适am的有效环化步骤,可快速有效地提供所需的嘧啶。从羧酸酯衍生物应用标准皂化条件以得到相应的羧酸。这些新的有价值的构建基,带有一个或两个新兴的氟化取代基,在医学和农用化学研究方面具有强大的潜力。