“…IR (KBr): 3070, 2984, 1726, 1526, 1444, 1346, 1203, 1132, 1024, 787 cm -1 1. H NMR (400 MHz, CDCl 3 ): (trans isomer) = 7.92 (dd, J = 8.2, 1.0 Hz, 1 H, CH Ar ), 7.64-7.36 (m, 3 H, CH Ar ),7.15 (d, J = 15.6 Hz, 1 H, =CH), 5.84 (dd, J = 15.6, 8.8 Hz, 1 H, =CH), 4.32-4.14 (m, 4 H, OCH 2 ), 2.65-2.58 (m, 1 H, CH), 1.82 (dd, J = 7.2, 5.2 Hz, 1 H, CH 2 ), 1.72 (dd, J = 9.0, 5.2 Hz, 1 H, CH 2 ), 1.30 (t, J = 7.2 Hz, 3 H, CH 3 ), 1.26 (t, J = 7.2 Hz, 3 H, CH 3 ). 1 H NMR (400 MHz, CDCl 3 ): (cis isomer) = 8.08 (dd, J = 8.2, 1.0 Hz, 1 H, CH Ar ), 7.64-7.36 (m, 3 H, CH Ar ), 6.92 (d, J = 11.2 Hz, 1 H, =CH), 5.39 (dd, J = 11.2, 10.0 Hz, 1 H, =CH), 4.32-4.14 (m, 4 H, OCH 2 ), 2.82-2.76 (m, 1 H, CH), 1.76 (dd, J = 7.4, 4.8 Hz, 1 H, CH 2 ), 1.60 (dd, J = 9.0, 4.8 Hz, 1 H, CH 2 ), 1.31 (t, J = 7.2 Hz, 3 H, CH 3 ), 1.26 (t, J = 7.2 Hz, 3 H, CH 3 ).13 C NMR (100 MHz, CDCl 3 ): = 169.3 (C), 169.2 (C), 167.6 (C), 167.5 (C), 148.1 (C), 147.6 (C), 133.1 (2 × CH), 132.4 (C), 132.2 (C), 132.1 (CH), 131.0 (CH), 129.6 (CH), 129.1 (CH), 128.6 (CH), 128.49 (CH), 128.47 (CH), 128.2 (CH), 124.9 (CH), 124.7 (CH), 61.9 (CH 2 ), 61.83 (2 × CH 2 ), 61.77 (CH 2 ), 36.7 (C), 36.5 (C), 31.0 (CH), 27.4 (CH), 22.3 (CH 2 ), 21.3 (CH 2 ), 14.33 (CH 3 ), 14.29 (CH 3 ), 14.2 (2 × CH 3 ).…”