Table 3.
1H and 13C NMR spectral data of picolinamycin in CDCl3.
| Position | δH, J(Hz) | δc | Position | δH, J(Hz) | δc | |
|---|---|---|---|---|---|---|
| 1 | 0.85(d, 3H) | 18.79 | 32 | — | 46.59 | |
| 2 | 1.39(m 1H) | 29.68 | 33 | 9.60(d, 1H) | 173.42 | |
| 3 | 0.85(d, 3H) | 18.79 | 34 | 7.81(s, 1H) | 130.99 | |
| 4 | 1.36(d, 2H) | 62.73 | 35 | — | 164.07 | |
| 5 | 2.99(d, 2H) | 62.73 | 36 | 0.87(s, 2H) | 32.24 | |
| 6 | — | 171.13 | 37 | — | 129.62 | |
| 7 | — | 130.99 | 38 | 7.03(d, 1H) | 132.0 | |
| 8 | 8.62(d, 1H) | 129.23 | 39 | — | 170.27 | |
| 9 | 8.13(d, 1H) | 140.11 | 40 | — | 168.85 | |
| 10 | 8.62(d, 1H) | 129.23 | 41 | 3.11(s,3H) | 18.79 | |
| 11 | — | 163.95 | 42 | 2.99(d, 2H) | 46.27 | |
| 12 | 4.89(s, 1H) | 129.62 | 43 | — | 129.65 | |
| 13 | — | 143.63 | 44 | — | 144.11 | |
| 14 | — | 140.81 | 45 | 4.64(m,1H) | 32.24 | |
| 15 | 7.81(d, 1H) | 129.65 | 46 | 1.06(d, 1H) | 20.39 | |
| 16 | 7.81(d, 2H) | 131.09 | 47 | 4.82(d, 1H) | 132.08 | |
| 17 | — | 129.36 | 48 | 5.11(d, 1H) | 142.30 | |
| 18 | 7.91(d, 2H) | 131.09 | 49 | 4.75(m,1H) | 167.62 | |
| 19 | 7.85(d, 1H) | 129.65 | 50 | 4.94(d, 1H) | 142.30 | |
| 20 | 2.99(d, 2H) | 46.27 | 51 | 9.60(d, 1H) | 173.42 | |
| 21 | 1.06(m,1H) | 32.24 | 52 | — | 167.40 | |
| 22 | 3.01(d, 2H) | 46.27 | 53 | 1.39(s, 2H) | 129.62 | |
| 23 | — | 163.95 | 54 | — | 129.23 | |
| 24 | 7.81(s, 1H) | 132.08 | 55 | — | 164.07 | |
| 25 | — | 142.30 | 56 | 2.078(s,3H) | 18.05 | |
| 26 | 4.98(d, 1H) | 129.62 | 57 | — | 168.85 | |
| 27 | 4.96(d, 1H) | 129.65 | 58 | 7.89(s, 1H) | 131.0 | |
| 28 | 4.64(m,1H) | 20.39 | NHa | 6.09(d, 1H) | ||
| 29 | — | 64.98 | NHb | 6.91(d, 1H) | ||
| 30 | — | 64.24 | NHc | 7.03(d, 1H) | ||
| 31 | 0.896(s,3H) | 14.11 |