2. 1H and 13C NMR Data of Knemolones A–D 1–2 and 4–5.
| position | 1 |
2 |
4 |
5 |
||||
|---|---|---|---|---|---|---|---|---|
| 1 H | 13 C | 1 H | 13 C | 1 H | 13 C | 1 H | 13 C | |
| 1 | 115.5 | 115.6 | 115.5 | 115.5 | ||||
| 2 | 166.1 | 166.1 | 166.1 | 166.1 | ||||
| 3 | 6.24 d (2.6) | 101.9 | 6.24 d (2.4) | 100.9 | 6.24 q (2.6) | 101.8 | 6.24 d (2.6) | 101.8 |
| 4 | 160.9 | 160.8 | 161.0 | 160.9 | ||||
| 5 | 6.22 d (2.5) | 110.6 | 6.21 d (2.5) | 110.6 | 6.24 q (2.6) | 110.7 | 6.26 d (2.6) | 110.7 |
| 6 | 147.5 | 147.5 | 147.9 | 148.0 | ||||
| 7 | 204.2 | 204.3 | 204.4 | 204.4 | ||||
| 8 | 2.60 s | 32.3 | 2.59 s | 32.3 | 2.62 s | 32.3 | 2.64 s | 32.3 |
| 1′ | 2.85 t (7.5) | 36.3 | 2.86 t (7.5) | 36.3 | 2.82 t (8.0) | 36.4 | 2.83 t (8.1) | 36.5 |
| 2′ | 1.64 m | 31.7 | 1.64 m | 31.7 | 1.55–1.67 m | 32.3 | 1.59 m | 32.4 |
| 3′ | 1.64 m | 31.6 | 1.71 m | 31.5 | 1.38 m | 29.7 | 1.36 m | 29.9 |
| 4′ | 2.56 t (7.1) | 35.5 | 2.64 t (7.5) | 35.8 | 1.38 m | 29.1 | 1.22–1.30 m | 29.6 |
| 5′ | 1.55–1.67 m | 31.5 | 1.22–1.30 m | 29.6 | ||||
| 6′ | 2.60 t (7.7) | 36.0 | 1.22–1.30 m | 29.4 | ||||
| 7′ | 1.22–1.30 m | 32.0 | ||||||
| 8′ | 1.22–1.30 m | 22.8 | ||||||
| 9′ | 0.88 t (6.9) | 14.2 | ||||||
| 1″ | 136.0 | 142.1 | 142.7 | |||||
| 2″ | 6.65 s | 108.3 | 7.28 t (7.5) | 128.5 | 7.28 t (7.5) | 128.4 | ||
| 3′’ | 147.7 | 7.14–7.22 m | 128.5 | 7.14–7.21 m | 128.5 | |||
| 4″ | 145.8 | 7.14–7.22 m | 126.0 | 7.14–7.21 m | 125.8 | |||
| 5′’ | 6.72 d (7.8) | 108.9 | 7.14–7.22 m | 128.5 | 7.14–7.21 m | 128.5 | ||
| 6″ | 6.60 d (7.8) | 121.2 | 7.28 t (7.5) | 128.5 | 7.28 t (7.5) | 128.4 | ||
| 1‴ | 5.92 s | 100.9 | ||||||