“…The product was washed with cooled diethyl ether (2 Â 3 mL).rac-3: 61% (precipitated from the reaction mixture and washed by Et 2 O); colorless crystals; mp: 113°C, lit 24. mp 100-101°C, 1 H NMR (CDCl 3 ): 1.54 (3H, d, J = 7.2 Hz, CH 3 ), 3.31 (2H, s, CH 2 ), 5.10 (1H, dq, J = 7.2 Hz and J = 7.3 Hz, CH), 6.53 (1H, br, NH), 7.28-7.40 (5H, m, ArH); 13 C NMR (CDCl 3 ): 21.7 (CH 3 ), 26.1 (CH 2 ), 50.2 (CH), 114.9 (CN), 126.3 (2xCH), 128.0 (CH), 129.1 (2xCH), 142.2 (C) 160.3 (C@O); IR (KBr): 3279, 3068, 2975, 2921, 2258, 1648, 1554, 669.…”