Table 5.
NMR data (p.p.m.) of dihydroxyacidissiminol.
| Position |
δ-H [42] |
δ-H Dihydroxyacidissiminol | Integration | δ-C [42] |
δ-C Dihydroxyacidissiminol |
|---|---|---|---|---|---|
| 1′ | - | - | - | 134.60 | 135.00 |
| 2′,6′ | 7.69 d | 7.70 d | 1,1 | 126.80 | 126.50 |
| 3′,5′ | 7.41 t | 7.40 t | 1,1 | 128.60 | 128.90 |
| 4′ | 7.49 t | 7.49 t | 1 | 131.40 | 130.00 |
| CO-NH | 6.10 m | 6.15 m | 1 | 167.60 | 167.50 |
| N-CH2 | 3.70 q | 3.70 m | 2 | 41.30 | 41.50 |
| Ar-CH2 | 2.88 t | 2.80 t | 2 | 34.80 | 35.00 |
| 1″ | - | - | - | 157.30 | 157.00 |
| 2″, 6″ | 6.87 d | 6.87 d | 1,1 | 114.90 | 115.00 |
| 3″, 5″ | 7.18 d | 7.16 d | 1,1 | 129.80 | 129.90 |
| 4″ | - | - | - | 131.00 | 131.50 |
| 1 | 4.58 d | 4.60 d | 2 | 64.50 | 64.50 |
| 2 | 5.80 d | 5.78 d | 1 | 121.10 | 121.50 |
| 3 | - | - | - | 142.00 | 140.50 |
| 3-Me | 1.76 s | 1.75 s | 3 | 12.40 | 12.90 |
| 4 | 4.35 dd | 4.35 dd | 1 | 77.40 | 79.00 |
| 5 | - | - | - | - | - |
| 6 | 3.64 m | 3.65 m | 1 | 78.70 | 77.50 |
| 7 | - | - | - | 72.60 | 74.00 |
| 7-Me | 1.18 s | 1.17 s | 3 | 23.70 | 24.00 |
| 4-OH | 1.55 s | 1.75 s | - | - | - |
| 6,7 OH | 1.55 s | 1.65 s | - | - | - |
Abbreviation: ‘-’, No peak.