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. 2022 Aug 19;13(35):10566–10573. doi: 10.1039/d2sc01962k

Improved reaction efficiency using TBABr additive.

graphic file with name d2sc01962k-u2.jpg
Entry X equiv. 1d Y equiv. PhBr Yield
1a 1 7.5 56%b
2a 1 1 23%b
3 1 1 52%
4a 2 1 27%b
5 2 1 73%c
a

Run without TBABr.

b

Yield determined by GCFID using tridecane as an internal standard.

c

9% of N-arylation observed.