Table 1. Selected 1H and 13C coordination shifts (calculated as Δδ = δ complex – δ ligand) of the prepared gold(I) complexes 1–9.
| Complex |
1H NMR |
13C NMR |
31P NMR | ||||||
|---|---|---|---|---|---|---|---|---|---|
| N6H | C8H | N9H | C2 | C4 | C5 | C6 | C8 | P | |
| 1 | -0.51 | -0.23 | nd | -1.82 | -1.97 | 0.14 | -0.40 | 7.14 | 38.40 |
| 2 | -0.36 | -0.23 | nd | -1.89 | -1.83 | 0.21 | -0.36 | 7.80 | noa |
| 3 | -0.56 | -0.29 | nd | -1.92 | -1.81 | 0.44 | -0.27 | 8.97 | 31.41 |
| 4 | -0.56 | -0.29 | nd | -1.90 | -1.73 | 0.65 | -0.12 | 8.95 | 31.37 |
| 5 | -0.30 | -0.24 | nd | -1.65 | -5.73 | 0.40 | -0.10 | 8.81 | 37.81 |
| 6 | -0.58 | -0.28 | nd | -2.06 | -2.98 | 0.80 | -0.07 | 8.38 | 36.93 |
| 7 | -0.55 | -0.24 | nd | -1.98 | -1.90 | 0.45 | -0.19 | 8.48 | noa |
| 8 | -0.37 | -0.30 | nd | -2.15 | -2.29 | 2.00 | 0.39 | 8.65 | 37.34 |
| 9 | -0.54 | -0.25 | nd | -2.00 | -1.91 | 0.60 | -0.07 | 9.06 | 37.48 |
nd = not detected; noa = signal not observed even after 14 hrs of the experiment due to limited solubility of the complexes in DMF-d 7.