Yield:-

Steps:

Multi-step reaction with 2 steps
1.1: sodium hydride / 1,4-dioxane / Inert atmosphere; Schlenk technique; Reflux
1.2: 0 °C / Inert atmosphere; Schlenk technique; Reflux
2.1: Selectfluor; silver trifluoromethanesulfonate; phosphoric acid / dichloromethane; water / 1 h / 55 °C / Inert atmosphere; Glovebox

References:

Krishanmoorthy, Sankarganesh;Schnell, Simon D.;Dang, Huong;Fu, Fang;Prakash, G.K. Surya [Journal of Fluorine Chemistry,2017,vol. 203,p. 130 - 135]