Transition metal-free synthesis of 3-trifluoromethyl chromones <i>via</i> tandem C–H trifluoromethylation and chromone annulation of enaminones
Qing Yu, Yunyun Liu, Jie‐Ping Wan
Abstract
The synthesis of 3-trifluoromethyl chromones has been realized <italic>via</italic> transition metal-free reactions of <italic>o</italic>-hydroxyphenyl enaminones and the Langlois reagent <italic>via</italic> cascade C–H trifluoromethylation and chromone annulation.
Topics & Concepts
TrifluoromethylationChemistryChromoneAnnulationTrifluoromethylReagentTandemStereochemistryOrganic chemistryMedicinal chemistryCatalysisComposite materialAlkylMaterials scienceFluorine in Organic ChemistryCatalytic C–H Functionalization MethodsSulfur-Based Synthesis Techniques