“…1-(2-Nitrophenyl)-2-propanone (17a). Pale yellow crystals: mp 27 °C; IR (neat, melted) 1723s, 1613w, 1579w, 1525s, 1411m, 1348s, 1162m, 869w, 789m, 732m, 699w, 673w, 631w cm -1 ; 1 H NMR δ 2.30 (s, 3H), 4.13 (s, 2H), 7.27 (dd, J o = 7.5 Hz, J m = 1.2 Hz, 1H), 7.43 ( pseudo td, J o = J o ‘ = 7.7 Hz, J m = 1.5 Hz, 1H), 7.58 ( pseudo td, J o = J o ‘ = 7.5 Hz, J m = 1.4 Hz, 1H), 8.08 (dd, J o = 8.1 Hz, J m = 1.2 Hz, 1H); 13 C NMR δ 203.51, 148.37, 133.48, 133.37, 130.18, 128.22, 124.93, 48.34, 29.76; MS …”