“…5,5,5‐Trifluoro‐1,3‐diphenylpentane‐1,4‐dione (3n): 89 % total yield (273 mg), pale yellow solid. 1 H NMR (400 MHz, CDCl 3 ) δ (ppm): 3.47 (1H, dd, J = 3.4 Hz, J = 18.2 Hz), 4.08 (1H, dd, J = 11.0 Hz, J = 18.2 Hz), 4.78 (1H, dd, J = 3.4 Hz, J = 11.0 Hz), 7.31–7.48 (7H, m), 7.59 (1H, t, J = 7.3 Hz), 7.95–7.97 (2H, m).…”