Table 19: Summary of 1H NMR spectroscopic data of the 1-(4-chlorophenyl)-4-(2-aryl-1-diazenyl)-piperazine series (14).

Series # X Aromatic (9H) Ha (4H) Hb (4H) Jab (Hz) X
4-Cl-Ph Ring Aryl Ring
14a p-CO2CH3 6.94 (2H, d, J=8.9),
7.27 (2H, d, J=8.8)
7.51 (2H, d, J=8.4),
8.04 (2H, d, J=8.5)
3.36 (t) 4.05 (t) 5.3 3.93 (3H, s)
14b p-CN 6.92 (2H, d, J=8.8),
7.27 (2H, d, J=9.0)
7.53 (2H, d, J=8.5),
7.64 (2H, d, J=8.7)
3.36 (br t) 4.05 (t) 5.1 ---
14c p-Br 6.96 (2H, d, J=8.9),
7.29 (2H, d, J=8.6)
7.37 (2H, d, J=8.7),
7.51 (2H, d, J=8.7)
3.37 (t) 4.00 (t) 5.3 ---
14d p-CH3 6.91 (2H, d, J=9.0),
7.25 (2H, d, J=9.0)
7.18 (2H, d, J=8.1),
7.38 (2H, d, J=8.3)
3.33 (t) 3.92 (t) 5.4 2.37 (3H, s)
14e p-OCH3 6.89 - 6.92 (2H, m),
7.25 (2H, d, J=8.9)
6.89 - 6.92 (2H, m),
7.45 (2H, d, J=9.0)
3.33 (t) 3.89 (t) 5.3 3.83 (3H, s)
14f p-NO2 6.94 (2H, d, J=8.9),
7.28 (2H, d, J=8.9)
7.55 (2H, d, J=9.0),
8.23 (2H, d, J=9.2)
3.38 (br) 4.10 (t) 5.4 ---