Table 6: 1H NMR Data for compounds 3a-f; chemical shifts in ppm relative to TMS(1%) at room temperature in CDCl3.
| No. |
X |
Aromatic |
Ha |
Hb |
CH3 |
X |
| |
|
6.92(1H,d,J=8.0Hz) |
|
|
|
|
| |
|
6.96(1H,d,J=7.5Hz) |
|
|
|
|
| 3a |
p-CN |
7.10(1H,t,J=7.7Hz) |
4.03(4H,br) |
3.05(4H,br) |
2.29(3H,s) |
|
| |
|
7.52(2H,d,J=8.5Hz) |
|
|
|
|
| |
|
7.62(2H,d,J=8.5Hz) |
|
|
2.30(3H,s) |
|
| |
|
6.94(1H,d,J=8.0Hz) |
|
|
|
|
| |
|
6.97(1H,d,J=7.5Hz) |
|
|
|
|
| 3b |
p-CO2CH3 |
7.12(1H,t,J=7.5Hz) |
4.02(4H,br) |
3.06(4H,br) |
2.29(3H,s) |
3.92(3H,s) |
| |
|
7.52(2H,d,J=8.0Hz) |
|
|
|
|
| |
|
8.05(2H,d,J=8.5Hz) |
|
|
2.31(3H,s) |
|
| |
|
6.93(1H,d,J=7.7Hz) |
|
|
|
|
| |
|
6.96(1H,d,J=6.5Hz) |
|
|
|
|
| 3c |
p-Br |
7.11(1H,t,J=7.5Hz) |
3.95(4H,br) |
3.05(4H,t,J=5.1Hz) |
2.29(3H,s) |
|
| |
|
7.35(2H,d,J=9.0Hz) |
|
|
|
|
| |
|
7.48(2H,d,J=8.5Hz) |
|
|
2.30(3H,s) |
|
| |
|
6.89(1H,d,J=7.3Hz) |
|
|
|
|
| |
|
6.91(1H,d,J=6.5Hz) |
|
|
|
|
| 3d |
p-CH3 |
7.06(1H,t,J=7.7Hz) |
3.88(4H,br) |
3.01(4H,t,J=5.0Hz) |
2.25(3H,s) |
2.32(3H,s) |
| |
|
7.13(2H,d,J=8.1Hz) |
|
|
|
|
| |
|
7.34(2H,d,J=8.3Hz) |
|
|
2.26(3H,s) |
|
| |
|
6.93(1H,d,J=8.3Hz) |
|
|
|
|
| |
|
6.97(1H,d,J=10.5Hz) |
|
|
|
|
| 3e |
p-NO2 |
7.12(1H,t,J=7.5Hz) |
4.07(4H,br) |
3.07(4H,br) |
2.29(3H,s) |
|
| |
|
7.55(2H,d,J=9.0Hz) |
|
|
|
|
| |
|
8.23(2H,d,J=8.75Hz) |
|
|
2.31(3H,s) |
|
| |
|
6.90(1H,d,J=8.0Hz) |
|
|
|
|
| |
|
6.91(1H,d,J=7.5Hz) |
|
|
|
|
| 3f |
H |
7.06(1H,t,J=7.8Hz) |
3.92(4H,br) |
3.01(4H,t,J=5.0Hz) |
2.25(3H,s) |
|
| |
|
7.16(1H,t,J=7.4Hz) |
|
|
|
|
| |
|
7.33(2H,t,J=8.2Hz) |
|
|
|
|
| |
|
7.44(2H,d,J=7.4Hz) |
|
|
2.26(3H,s) |
|