1H nuclear magnetic resonance spectroscopy (1H NMR) ()dataset for 1H nuclear magnetic resonance spectroscopy (1H NMR) 1H NMR (400 MHz, Chloroform-d [7.27 ppm], ppm) δ = 8.14 (s, 1H, L), 7.31 (m, 7H, L+PPh3), 7.23–7.15 (m, 25H, L+PPh3), 7.10–7.08 (m, 2
