| Schiff base |
Chemical Shifts δ ppm |
| (CH2-CH2-)n |
-O-CH2- |
C-Haromatic |
CH=N |
-CO-NH- |
| VIII |
----------- |
2.508-3.361 (m,8H) |
8.395-6.943 (m,12 H) |
8.903 (2,2H) |
12.513 (s,2H) |
| IX |
2.223 - 1.873 (m,8H) |
4.147 (s,4H) |
8.391-7.121 (m,12 H) |
8.954 (s,2H) |
12.511 (s,2H) |
| X |
2.868 - 1.305 (s,8H) |
4.126-4.211 (s,4H) |
7.664-6.978 (m,12 H) |
---------- |
10.923 (s,2H) |
| XI |
---------- |
3.982-3.723 (s,4H) |
7.923-6.079 (m,16 H) |
9.035 (s,2H) |
13.133 (s,2H) |
|
