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Beilstein J. Org. Chem. 2024, 20, 460–469, doi:10.3762/bjoc.20.41
Graphical Abstract
Scheme 1: Monofluorination of 1,3-diphenylpropane-1,3-dione with Selectfluor.
Scheme 2: Synthesis of 2,2-difluoro-1,3-diphenylpropane-1,3-dione (3a).
Figure 1: Molecular structure of 2,2-difluoro-1,3-diphenylpropane-1,3-dione (3a).
Figure 2: Crystal packing structure of 3f as determined by SXRC.
Figure 3: Molecular structure and crystal packing of 5e as determined by SXRC.
Scheme 3: Proposed mechanism of the quinuclidine-mediated difluorination of 1,3-dicarbonyl substrates.
Scheme 4: Proposed mechanisms of carbonate and chloride ion-mediated difluorination of 1,3-dicarbonyl substra...