Table 3.
1D-1H NMR and 13C NMR spectrum data of FVII-F3 chloramphenicol
| Position | δ H (J in Hz) | δ C | HMBC (H-C) |
|---|---|---|---|
| 1 | – | 148.6 | – |
| 2, 6 | 8.3 (2H) m | 126.9 | H6 (C-1, 4) |
| 3, 5 | 7.67 (2H) m | 126 | H3 (C-1, 2, 7) |
| 4 | – | 150.2 | – |
| 7 | 5.18 | 69.9 | H7 (C4, 5, 8, 9) |
| 8 | 4.16 | 57.10 | H8 (C-10) |
| 9 | 3.62–3.8, 2H, dd, J=6.0 Hz; 12.0 Hz | 60.80 | – |
| 10 | – | 165.2 | – |
| 11 | 6.3 | 66.0 (d, CH-Cl2) | H11 (C-10) |
Note: “–” indicates no hydrogen or carbon attached.
Abbreviations: 1D, one-dimensional; NMR, nuclear magnetic resonance; delta, δ, chemical shift scales in NMR; J, coupling constants in hertz; HMBC, heteronuclear multiple-bond correlation.