“…37 The final product was a yellow solid, collected by filtration with a total yield of 64%. 1 H-NMR (400 MHz, DMSO-d 6 ): d 7.97 (dd, J = 6.8, 3.2 Hz, 4H), 7.82-7.73 (m, 6H), 7.60-7.42 (m, 24H), 6.98 (dd, J = 6.9, 3.0 Hz, 4H), 6.12 (d, J = 13.8 Hz, 4H). 13…”