Table 1.
NMR chemical shifts and NOE(SY) interactions of heme product II
| Proton | Chemical shift, ppm | Interactions |
|---|---|---|
| Meso α | 9.97 | 3.32 |
| Meso β | 9.95 | 3.54, 6.10 |
| Meso δ | 9.36 | 1.96, 3.26 |
| Meso γ | 9.32 | 4.11, 4.21 |
| Vinyl α ring A | 8.44 (d, d = 17.8, 11.2) | 5.94 |
| Vinyl α ring B | 8.25 (d, d = 17.8, 11.3) | 5.77 |
| Vinyl β-trans ring A | 6.28 (d, d = 17.8, 2.0) | |
| Vinyl β-trans ring B | 6.10 (d, d = 17.8, 1.9) | |
| Vinyl β-cis ring A | 5.94 (d, d = 11.6, 1.9) | |
| Vinyl β-cis ring B | 5.77 (d, d = 11.8, 1.9) | 3.54, 9.95, 8.25 |
| Propionics α ring C | 4.21 (m) | 3.30, 9.32 |
| Propionics α ring D | 4.11 (m) | 3.24, 3.54 |
| Propionics β ring C | 3.30 (m) | 4.21 |
| Propionics β ring D | 3.24, 3.54 (m) | 1.96 |
| Methyl ring A | 3.26 | 9.36 |
| Methyl ring B | 3.32 | 9.97 |
| Methyl ring C | 3.54 | 4.21, 9.95 |
| Methyl ring D | 1.96 | 9.36 |