Table 1.
13C and 1H NMR data (CDCl3, J in Hz) of Cineromycin B (3), compared with literature values.
| No. | Cineromycin B (3), exp. | Cineromycin B (3), lit. [23] | ||
|---|---|---|---|---|
| δC | δH | δC | δH | |
| 1 | 166.1 | – | 166.3 | – |
| 2 | 115.1 | 5.87 (d, 15.5) | 115.0 | 5.86 (d, 16) |
| 3 | 155.2 | 6.93 (d, 15.5) | 155.5 | 6.91 (d, 16) |
| 4 | 73.4 | – | 73.4 | – |
| 5 | 135.2 | 5.87 (d, 15.5) | 135.3 | 5.85 (d, 16) |
| 6 | 133.6 | 5.73 (dd, 16.3, 4.8) | 133.6 | 5.71 (dd, 16, 5) |
| 7 | 74.6 | 4.55 (m) | 74.5 | 4.53 (d, 5) |
| 8 | 137.9 | – | 137.9 | – |
| 9 | 129.5 | 5.23 (m) | 129.4 | 5.21 (brm) |
| 10 | 25.1 | 2.10 (m), 1.80 (m) | 25.0 | 2.10 (brm), 1.84 (d, 16.5) |
| 11 | 34.8 | 1.21 (m), 1.16(m) | 34.3 | 1.22 (m), 1.17 (m) |
| 12 | 39.5 | 1.25 (m) | 39.5 | 1.40 (brq, 6) |
| 13 | 75.5 | 4.55 (m) | 75.6 | 4.55 (d, 7) |
| CH3-4 | 27.1 | 1.55 (s) | 27.0 | 1.53 (s) |
| CH3-8 | 15.0 | 1.73 (s) | 15.0 | 1.71 (s) |
| CH3-12 | 16.1 | 0.89 (d, 6.6) | 16.1 | 0.88 (d, 6) |
| CH3-13 | 18.2 | 1.22 (d, 6.3) | 18.1 | 1.21 (d, 7) |