Table 2 Synthesized hybrids of 1,2,3-triazole and chiral Schiff bases (2–6), 1H and 13C NMR chemical shifts of azomethine moiety, IR absorption of C = N and their CHN elemental analysis.
R-NH2 | Product | 1H NMR H-C=N (ppm) | 13C NMR C=N (ppm) | IR υ (cm−1) C=N | CHN: anal. cald (found) % | ||
|---|---|---|---|---|---|---|---|
C | H | N | |||||
| 2 | 9.00 | 160.4 | 1595 | 61.76 (61.08) | 4.94 (5.32) | 13.72 (13.14) |
| 3 | 8.89 | 157.0 | 1595 | 66.52 (66.13) | 4.55 (4.96) | 14.37 (13.98) |
| 4 | 8.07 | 157.3 | 1598 | 61.73 (61.34) | 4.14 (4.52) | 11.52 (10.85) |
| 5 | 8.06 | 157.1 | 1584 | 60.27 (59.61) | 4.37 (4.79) | 19.17 (18.58) |
| 6 | 9.02 | 160.3 | 1578 | 70.41 (69.75) | 5.20 (5.59) | 13.14 (12.52) |
