“…3‐(3‐chlorophenyl)‐5‐methyloxazolidin‐2‐one ( 42 a ): White oil. 1 H NMR (400 MHz, CDCl 3 ): δ =7.56 (t, J= 2.0 Hz, 1 H), 7.47–7.44 (m, 1 H), 7.29 (t, J= 8.0 Hz, 1 H), 7.12–7.09 (m, 1 H), 4.83–4.78 (m, 1 H), 4.10 (t, J= 4.4 Hz, 1 H), 3.61 (t, J= 7.2 Hz, 1 H), 1.54 ppm (t, J= 6.0 Hz, 3 H).…”