... The Journal of Organic ... The combined organic phase was washed with saturated NaCl solution, dried over MgSO 4 , and concentrated to afford the product 4. 1,5 ... C (EtOH); 1 H NMR (300 MHz, CDCl 3 ) δ [major (trans) rotamer] 7.41−7.24 (m, 10H, Ph), 5.97 (ddt, J = 17.0, 10.6 ...