Table 1.
1H and 13C NMR data for kabirimine (2) in dimethyl sulfoxide (DMSO)-d6.
| Position | δC | δH (J in Hz) | COSY | HMBC |
|---|---|---|---|---|
| 1 | 42.1, CH2 | 3.77 brs (2H) | 2 | |
| 2 | 24.7, CH2 | 2.14 m; 1.62 m | 1; - | |
| 3 | 25.3, CH | 2.08 m | 27 | |
| 4 | 48.1, C | - | ||
| 5 | 172.5, C | - | ||
| 6 | 29.0, CH2 | 3.13 brd (11.2); 2.92 m | 7; - | |
| 7 | 27.3, CH2 | 2.34 brt (11.2); 1.65 m | 6; 8 | |
| 8 | 72.5, CH | 3.93 m | ||
| 9 | 31.2, CH2 | 2.00 m; 1.43 brt (9.6) | 8, 10; 8 | |
| 10 | 39.0, CH2 | 1.75 m; 1.63 m | 9; - | 25; 25 |
| 11 | 80.6, C | - | ||
| 12 | 43.9, CH2 | 2.10 brd (13.3); 1.26 brdd (13.3, 9.7) | 13; - | 13, 14; 13, 14 |
| 13 | 53.7, CH | 2.89 brd (9.7) | 12, 14 | 12 |
| 14 | 61.5, CH | 2.66 brd (8.1) | 13, 15 | 15 |
| 15 | 76.0, CH | 2.96 brd (8.1) | 14 | 14, 16, 26 |
| 16 | 36.0, CH | 1.99 m | 26 | |
| 17 | 33.3, CH2 | 1.98 m; 1.37 brt (12.5) | 18; - | 4; - |
| 18 | 38.7, CH | 3.06 brd (12.6) | 17 | |
| 19 | 129.4, CH | 5.70 brs | 4, 18, 21, 23 | |
| 20 | 134.8, C | - | ||
| 21 | 20.7, CH2 | 2.24 m (2H) | 22 | |
| 22 | 35.6, CH2 | 2.07 m; 1.90 m | 21; - | 5; - |
| 23 | 138.3, CH | 6.42 dd (17.4, 10.9) | 24 | 19, 21 |
| 24 | 112.1, CH2 | 5.13 d (17.4); 5.02 d (10.9) | 23; 23 | 20; 20 |
| 25 | 23.7, CH3 | 1.19 s | 10, 11, 12 | |
| 26 | 10.5, CH3 | 1.05 brd (5.3) | 16 | 15, 16, 17 |
| 27 | 17.7, CH3 | 0.96 d (6.6) | 3 | 2, 3, 4 |