“…), 4.36 (br d, J = 6.6 Hz, 2 H, 2,6-Ph), 4.25 (br t, J = 6.2 Hz, 1 H, 4-Ph), 2.56 (t, J = 7.5 Hz, 2 H, CH 2 ), 1.99 (m, 2 H, CH 2 ), 1.73 (m, 2 H, CH 2 ) 13. C NMR (C 6 D 6 ): δ 233.8, 161.5, 149.8, 135.9, 122.7, 121.2, 113.6, 93.8, 92.6, 90.1, 37.4, 34.5, 30.9.…”