Table 20: Summary of 1H NMR spectroscopic data of the 1-(3, 4-diclorophenyl)-4-(2-aryl-1-diazenyl)-piperazine series (15).

Series # X Aromatic (7H) Ha (4H) Hb (4H) Jab (Hz) X
Aryl Ring (4H) 3,4-diCl-Ph Ring
He (1H) Hd (1H) Hc (1H)
15a p-CN 7.51 (2H, d, J=8.5),
7.62 (2H, d, J=8.6)
7.32 (d, J=8.8) 6.81 (dd, J=2.8, 8.9) 7.03 (d, J=2.7) 3.37 (t) 4.03 (t) 5.2 ---
15b p-COCH3 7.52 (2H, d, J=5.1),
7.97 (2H, d, J=4.9)
7.32 (d, J=9.0) 6.80 (dd, J=2.9, 8.8) 7.02 (d, J=2.9) 3.37 (t) 4.02 (t) 5.4 2.60 (3H, s)
15c p-Br 7.34 (2H, d, J=8.7),
7.47 (2H, d, J=8.7)
7.30 (d, J=8.8) 6.79 (dd, J=2.9, 8.8) 7.01 (d, J=2.9) 3.35 (t) 3.93 (t) 5.3 ---
15d p-OCH3 6.90 (2H, d, J=6.8),
7.44 (2H, d, J=8.9)
7.30(d, J=8.8) 6.78 (dd, J=2.9, 8.8) 6.78 (dd, J=2.9, 8.8) 3.33 (t) 3.87 (t) 5.4 3.82 (3H, s)
15e p-NO2 7.55 (2H, d, J=9.0),
8.23 (2H, d, J=9.0)
7.33 (d, J=8.9) 6.80 (dd, J=2.8, 8.9) 7.02 (d, J=2.9) 3.39 (br) 4.07 (t) 5.4 ---
15f p-CH3 7.19 (2H, d, J=5.3),
7.38 (2H, d, J=8.4)
7.32 (d, J=8.9) 6.80 (dd, J=2.9, 8.8) 7.02 (d, J=2.9) 3.35 (t) 3.91 (t) 5.3 2.39 (3H, s)
15g 3-py 7.27 - 7.30 (1H, m),
7.76 (1H, dd, J=0.5, 8.2),
8.44 (1H, dd, J=0.5, 4.7),
8.72 (1H, d, J=2.3)
7.33 (d, J=8.9) 6.81 (dd, J=3.0, 8.9) 7.02 (d, J=2.9) 3.37 (t) 4.00 (t) 5.3 ---
15h m-CF3 7.44 - 7.49 (2H, m),
7.64 (1H, d, J=7.2),
7.74 (1H, s)
7.33 (d, J=8.8) 6.81 (dd, J=2.9, 8.9) 7.03 (d, J=2.8) 3.37 (t) 4.00 (t) 5.3 ---