Table 4. 1H NMR Spectral Data of the CT Complex.
| compound | chemical shift, δ (ppm) | assignments |
|---|---|---|
| 8.23, 8.21 | (d, 2H of the pyridine ring) | |
| [(4-DMAP)(DDQ)] | 6.98 | (d, 2H Ar–H of 4-DMAP) |
| 3.0 | (s, 6H of methyl protons 4-DMAP) | |
| 2.5 | (s, 6H DMSO solvent) |
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