Table 8: 1H NMR Data for 5a-e; chemical shifts in ppm relative to TMS(1%) at room temperature in CDCl3.
| No. |
X |
Aromatic |
Ha |
Hb |
CH2 |
CH3 |
X |
| 5a |
p-CN |
7.24(1H,d,J=7.3Hz) |
3.83(4H,t, |
2.58(4H,br) |
3.51(2H,s) |
2.36(3H,s) |
|
| 7.45(2H,d,J=8.7Hz) |
|
| |
|
7.56(2H,d,J=8.7Hz) |
J=4.75Hz) |
|
|
|
|
| |
|
7.21-7.14(3H,m) |
|
|
|
|
| |
|
7.24(1H,d,J=7.2Hz) |
|
|
|
|
|
| 5b |
p-CO2CH3 |
7.43(2H,d,J=8.7Hz) |
3.81(4H,t, |
2.57(4H,t, |
3.50(2H,s) |
2.40(3H,s) |
3.89(3H,s) |
| |
|
7.97(2H,d,J=8.7Hz) |
J=5.2Hz) |
J=5.2) |
|
|
|
| |
|
7.21-7.17(3H,m) |
|
|
|
| 5c |
p-Br |
7.27(1H,d,J=7.1Hz) |
3.77(4H,t |
2.59(4H,t, |
3.53(2H,s) |
2.39(3H,s) |
|
| |
|
7.30(2H,d,J=8.8Hz) |
|
|
|
|
|
| |
|
7.43(2H,d,J=8.8Hz) |
J=5.2Hz) |
J=5.2Hz) |
|
|
|
| |
|
7.17-7.10(3H,m) |
|
|
|
| |
|
7.26(1H,d,J=7.2Hz) |
|
|
|
|
|
| 5d |
p-NO2 |
7.49(2H,d,J=9.0Hz) |
3.89(4H,br) |
2.61(4H,br) |
3.54(2H,s) |
2.39(3H,s) |
|
| |
|
8.18(2H,d,J=9.0Hz) |
|
|
|
|
|
| |
|
7.21-7.15(3H,m) |
|
|
|
|
|
| 5e |
H |
7.25(1H,d,J=7.0Hz) |
3.75(4H,t, |
2.57(4H,t, |
3.50(2H,s) |
2.36(3H,s) |
|
| 7.30(2H,t,J=7.9Hz) |
|
| |
|
7.40(2H,d,J=8.4Hz) |
J=5.2Hz) |
J=5.3Hz) |
|
|
|
| |
|
7.18-7.12(4H,m) |
|
|
|