Table 2.
13C NMR data of pyridoacridine alkaloids 9–16.
| (CDCl3/CD3OD 2:1) | (DMSO-d6) | (CDCl3/CD3OD 2:1) | (DMSO-d6) | |||||
| Position | 9 [47] | 10 [48] | 11 [49] | 12 [50] | 13 [50] | 14 [50] | 15 [50] | 16 [51] |
| 1 | 131.5 | 131.0 | 155.2 | 132.0 | 131.3 | 113.7 | 115.0 | 156.1 |
| 2 | 132.1 | 132.9 | 115.5 | 131.1 | 131.1 | 135.6 | 132.0 | 116.5 |
| 3 | 130.3 | 131.5 | 131.8 | 130.1 | 130.2 | 123.1 | 120.6 | 133.3 |
| 4 | 123.1 | 124.5 | 114.3 | 124.2 | 124.4 | 124.7 | 124.0 | 114.5 |
| 4a | 121.9 | 122.8 | 123.5 | 122.3 | 121.7 | 113.7 | 115.0 | 123.8 |
| 4b | 138.1 | 136.8 | 136.9 | 136.3 | 134.1 | 128.6 | 139.4 | 137.9 |
| 5 | 120.6 | 121.2 | 119.8 | 119.5 | 154.4 | 107.4 | 110.3 | 121.8 |
| 6 | 149.7 | 149.4 | 150.4 | 148.2 | 128.4 | 141.1 | 151.3 | 150.2 |
| 7a | 145.6 | 142.5 | 146.9 | 147.5 | 146.9 | 143.2 | 140.8 | 147.0 |
| 8 | 180.4 | 157.7 | 178.6 | 178.5 | 177.9 | 149.4 | 149.7 | 180.0 |
| 8a | 126.9 | 99.0 | 119.4 | 119.2 | 119.0 | 112.8 | 107.4 | 130.3 |
| 9 | 149.2 | 193.5 | 175.5 | 158.5 | 158.5 | 166.4 | 168.1 | 146.0 |
| 10 | – | 34.5 | 122.4 | – | – | – | – | – |
| 11 | 151.9 | 40.5 | 136.7 | 146.1 | 144.8 | 90.1 | 89.6 | 147.8 |
| 12 | 116.4 | – | – | 99.6 | 99.7 | 67.7 | 67.6 | 123.5 |
| 12a | 143.5 | 157.7 | 146.8 | 150.2 | 149.3 | 110.3 | 104.4 | 147.9 |
| 12b | 145.7 | 142.6 | 142.0 | 147.2 | 145.5 | 128.4 | 128.8 | 143.1 |
| 12c | 118.8 | 116.2 | 116.9 | 117.5 | 118.5 | 121.6 | 121.5 | 120.1 |
| 13a | 145.1 | 144.0 | 133.3 | 144.7 | 139.8 | 141.0 | 140.2 | 134.4 |
| MeN-10 | – | – | – | 37.8 | 38.0 | 35.0 | 35.2 | 48.3 |
| MeO-5 | – | – | – | – | 58.0 | – | – | – |
| MeO-11 | – | – | – | – | – | – | 56.3 | – |
| MeO-12 | – | – | – | – | – | – | 54.9 | – |