Table 1.
13C (125 MHz) and 1H (500 MHz) NMR data of bagremycins F (1) and G (2) (in DMSO-d6).
| No. | 1 | 2 | ||||
|---|---|---|---|---|---|---|
| δC, Type | δH (J in Hz) | HMBC | δC, Type | δH (J in Hz) | HMBC | |
| 1 | 126.5, C | 118.1, C | ||||
| 2 | 113.1, C | 121.9, CH | 8.90, d (2.2) | C3, C4, C6, C7 | ||
| 3 | 140.4, C | 126.2, C | ||||
| 4 | 147.7, C | 152.6, C | ||||
| 5 | 113.2, CH | 6.78, d (8.2) | C1, C3, C4 | 114.8, CH | 6.99, d (8.5) | C1, C4 |
| 6 | 119.1, CH | 7.10, d (8.2) | C2, C4, C7 | 126.9, CH | 7.74, dd (8.5, 2.2) | C2, C4, C7 |
| 7 | 165.7, C | 164.3, C | ||||
| 8 | 150.5, C | 150.4, C | ||||
| 9 | 122.0, CH | 7.21, d (8.6) | C8, C11, C13 | 122.1, CH | 7.20, d (8.6) | C8, C11, C13 |
| 10 | 127.1, CH | 7.55, d (8.6) | C8, C12, C14 | 127.1, CH | 7.54, d (8.6) | C8, C12, C14 |
| 11 | 134.7, C | 134.7, C | ||||
| 12 | 127.1, CH | 7.55, d (8.6) | C8, C10, C14 | 127.1, CH | 7.54, d (8.6) | C8, C10, C14 |
| 13 | 122.0, CH | 7.21, d (8.6) | C8, C9, C11 | 122.1, CH | 7.20, d (8.6) | C8, C9, C11 |
| 14 | 135.8, CH | 6.74, dd (17.7, 10.9) | C10, C11, C12 | 135.8, CH | 6.74, dd (17.6, 10.9) | C10, C11, C12 |
| 15 | 114.3, CH2 | 5.29, dd (10.9, 0.6); 5.82, dd (17.7, 0.6) |
C11, C14 | 114.3, CH2 | 5.27, dd (10.9, 0.7); 5.82, dd (17.6, 0.7) |
C11, C14 |
| 16 | 35.5, CH2 | 2.98, dd (13.1, 8.4); 3.11, dd (13.1, 5.4) |
C2, C17, C18 | 160.2, CH | 8.33, d (1.6) | C3 |
| 17 | 52.2, CH | 4.25, m | C18, C19 | |||
| 18 | 171.0, C | |||||
| 19 | 169.3, C | |||||
| 20 | 22.2, CH3 | 1.81, s | C19 | |||
| 21 | 51.9, CH3 | 3.54, s | C18 | |||
| NH | 8.41, d (7.5) | C17, C19 | 9.78, s | C3 | ||