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. Author manuscript; available in PMC: 2012 Jun 17.
Published in final edited form as: Tetrahedron. 2011 Jun 17;67(24):4449–4454. doi: 10.1016/j.tet.2011.02.077

Table 3.

Effect of basic additives on fluorination yield

graphic file with name nihms289165t3.jpg
Additive Yield [%]a
None 75
BaO 85
MgO 82
2,6-lutidine 81
Ba(OH)2 35
NaOH 30
K3PO4 34
TBAF 79
a

Yield was determined by intergration of the 19F NMR using 1-fluoro-3-nitrobenzene as an internal standard.