Research Article
Synthesis of Disperse Dyes from Pyridone and Resorcinol Coupled to Diazotized 2-Amino-4-chloro-5-formylthiazole and Application to Polyester
Table 5
Proton (
1H) and carbon (
13C) NMR characterization of dye 2 in DMSO (
ppm).
| Carbon | DEPT | Proton (1H) | Carbon (13C) | Cal(h) | Expt(h) | Cal(c) | Expt(c) |
| 2 | C | — | — | 154.7 | 149.86 | 4 | C | — | — | 139.0 | 129.65 | 5 | C | — | — | 115.0 | 119.92 | 6 | CH | 9.61 | 9.79 | 188.7 | 189.72 | 11 | C | — | — | 115.9 | — | 21 | C | — | — | 153.2 | 131.54 | 31 | CH | 6.2 | 7.17 | 104 | — | 41 | C | — | — | 156 | 132.72 | 51 | CH | 6.3 | 7.85 | 109 | — | 61 | CH | 6.9 | 7.82 | 125.4 | 124.52 |
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