PhenoFluor: Practical Synthesis, New Formulation, and Deoxyfluorination of Heteroaromatics
摘要:
We report a practical synthesis method of the reagent PhenoFluor on decagram scale, provide a new formulation of PhenoFluor as a toluene solution, which should decrease challenges associated with the moisture sensitivity of the reagent, and expand the substrate scope of deoxyfluorination with PhenoFluor to heteroaromatics.
PhenoFluor: Practical Synthesis, New Formulation, and Deoxyfluorination of Heteroaromatics
摘要:
We report a practical synthesis method of the reagent PhenoFluor on decagram scale, provide a new formulation of PhenoFluor as a toluene solution, which should decrease challenges associated with the moisture sensitivity of the reagent, and expand the substrate scope of deoxyfluorination with PhenoFluor to heteroaromatics.
Photochemical activation of SF<sub>6</sub> by N-heterocyclic carbenes to provide a deoxyfluorinating reagent
作者:Pooja Tomar、Thomas Braun、Erhard Kemnitz
DOI:10.1039/c8cc05494k
日期:——
greenhouse gasSF6 using electron-rich N-heterocyclic carbenes gave 2,2-difluoroimidazolines or 2,2-difluoroimidazolidines as well as 2-thio derivatives of the carbene precursors. The N-heterocyclic carbenes can also convert SF4 to give similar products. The difluoroimidazolidine derivatives were applied in deoxyfluorination reactions. Furthermore, the activation of SF6 and the fluorination can be coupled