532 µmol (145 mg) meso-1,2-bis(3-methoxyphenyl)ethylenediamine (II) and 1.27 mmol (178 mg) of 5-fluorosalicylaldehyde; Yield 99% (0.527 mmol, 272 mg); melting point (mp): 159 °C. 1 H NMR (400 MHz, Chloroform-d) δ 12.81 (s, 2H, OH), 8.03 (s, 2H, HC=N), 7.22 (t, J = 7.9 Hz, 2H), 7.01 (ddd, J = 9.1, 8.1, 3.1 Hz, 2H), 6.92 to 6.84 (m, 4H), 6.84 to 6.75 (m, 6H), 4.70 (s, 2H, CH), 3.73 (s, 6H, OCH 3 ). 13