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. Author manuscript; available in PMC: 2014 Nov 20.
Published in final edited form as: J Am Chem Soc. 2013 Nov 12;135(46):10.1021/ja410815u. doi: 10.1021/ja410815u

Figure 2.

Figure 2

Scope of the benzylic monofluorination. Conditions: 0.2 mmol substrate, 5 mol % 9-fluorenone, 2.0 equiv Selectfluor, 2.5 mL acetonitrile, CFL irradiation, 27 °C, isolated yield. aDetermined by 19F NMR using C6H5F as an external standard. bIsolated yield from 20 mmol of 1 and 20 h reaction time. cIsolated yield over two steps after reduction of the ketone.