Table XXII.
13C NMR Data of Narciclasine-Type Alkaloids
| Alkaloid | 68 | 70 | 71 | 72 |
|---|---|---|---|---|
| C-1 | 124.7 | 122.0 | 120.2 | 129.9 |
| C-2 | 69.1 | 126.7 | 125.9 | 118.0 |
| C-3 | 72.3 | 128.1 | 131.0 | 129.1 |
| C-4 | 68.8 | 129.9 | 133.0 | 110.7 |
| C-4a | 52.8 | 143.8 | 136.5 | 146.7 |
| C-6 | 172.1 | 151.8 | 152.8 | 63.5 |
| C-6a | 129.2 | 123.1 | 126.6 | 134.0 |
| C-7 | 168.9 | 105.5 | 108.3 | 109.7 |
| C-8 | 152.3 | 148.1 | 159.2 | 147.5 |
| C-9 | 144.8 | 148.2 | 152.0 | 147.4 |
| C-10 | 95.7 | 99.9 | 102.2 | 110.2 |
| C-10a | 132.1 | 130.3 | 122.0 | 131.2 |
| C-10b | 133.3 | 124.3 | 135.3 | 127.2 |
| OCH2O | 102.0 | 101.9 | 105.7 | 101.3 |
| NMe | — | — | 45.9 | 30.8 |
| Solvent | a | d | c | d |
| MHz | 68 | 50 | 50 | 50 |
| Reference | (122) | (99) | (79) | (79) |
Solvent a: DMSO-d6, b: CDCl3-CD3OD, c: CD3OD, d: CDCl3.