Table 1.
NMR data for amycofuran (1) in pyridine-d5.
| C/H | δH a | Mult (J in Hz) | δC b | Type |
|---|---|---|---|---|
| 1 | 143.2 | C | ||
| 2 | 141.5 | C | ||
| 3 | 7.25 | d (1.5) | 106.9 | CH |
| 4 | 154.1 | C | ||
| 4-OH | 11.07 | OH | ||
| 5 | 6.83 | d (1.5) | 107.7 | CH |
| 6 | 130.7 | C | ||
| 7a | 3.27 | dd (16.0, 8.0) | 37.8 | CH2 |
| 7b | 2.95 | dd (16.0, 8.0) | ||
| 8 | 5.26 | ddd (8.0, 8.0, 8.0) | 84.5 | CH |
| 9 | 5.78 | dd (15.0, 8.0) | 130.8 | CH |
| 10 | 6.37 | dd (15.0, 10.5) | 133.1 | CH |
| 11 | 6.04 | dd (15.0, 10.5) | 131.7 | CH |
| 12 | 5.67 | dq (15.0, 7.0) | 131.4 | CH |
| 13 | 1.63 | d (7.0) | 18.5 | CH3 |
| 1′ | 6.30 | d (1.0) | 101.5 | CH |
| 2′ | 4.82 | br m | 72.5 | CH |
| 2′-OH | 7.07 | br s | OH | |
| 3′ | 4.75 | br d (9.0) | 72.9 | CH |
| 3′-OH | 6.70 | br s | OH | |
| 4′ | 4.35 | br m | 74.2 | CH |
| 4′-OH | 6.87 | br s | OH | |
| 5′ | 4.52 | m | 71.4 | CH |
| 6′ | 1.56 | d (6.0) | 18.9 | CH3 |
a 600 MHz; b 125 MHz.