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Beilstein J. Org. Chem. 2023, 19, 1545–1554, doi:10.3762/bjoc.19.111
Graphical Abstract
Figure 1: Functionalization of gem-difluoroalkenes with 1,3-dipoles and N-nucleophiles.
Figure 2: Substrate scope. Reaction conditions: 1 (1 equiv), 2 (1.5 equiv) 0.4 equiv of LiHMDS (1 M in THF), ...
Figure 3: Time course profile monitored by 19F NMR spectroscopy.
Figure 4: NOESY of 4e confirming the regiochemistry of the product.
Figure 5: Proposed mechanism.
Figure 6: Scale-up experiment.