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.2. General procedure for the decarboxylative cross-coupling
[
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reactions
All samples were prepared in J-Young NMR tubes in a nitrogen-
filled glovebox. 0.04 mmol of the copper complex was dissolved in
.8 ml of the desired solvent to give a 0.05 M solution. Sodium
trifluoroacetate or cesium fluoride was added, if necessary, as
described in Tables 1 and 2. Then 20 l of 2-fluoro-1,3-dimethyl-
0
m
[
[
benzene was added as the internal standard. The resulting solutions
were degassed via three freeze–pump–thaw cycles on a high-
vacuum line and then heated to the desired temperature in a silicon
oil bath. Reactions were monitored by F NMR spectroscopy. Yields
based on copper complex as the limiting reagent.
[
[
[
19
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