Table 8.
1H and 13C NMR spectral data for compounds 12, 13, and 14
| Position | 12
|
13
|
14
|
|||
|---|---|---|---|---|---|---|
| δH | δC | δH | δC | δH | δC | |
| 2 | 7.2, br d | 119.8, d | 7.0, d(5.6) | 127.8, d | 7.0, d(7.2) | 131.8, d |
| 3 | 6.8, br d | 100.6, d | 6.8, d(5.6) | 103.5, d | 6.8, br d | 113.4, d |
| 3a | 136.6, s | 150.8, s | 150.3, s | |||
| 5 | 7.5, br d | 131.6, d | 8.0, br d | 144.4, d | 7.5, d(6.8) | 147.1, d |
| 6 | 7.5, br d | 113.5, d | 7.2, d(6.8) | 113.4, d | 7.4, br d | 127.8, d |
| 6a | 126.3, s | 136.8, s | 136.1, s | |||
| 7 | 6.8, s | 100.6, d | 6.6, s | 98.6, d | 6.8, s | 100.7, d |
| 8 | 153.7, s | 156.2, s | 156.9, s | |||
| 9 | 134.9, s | 134.9, s | 134.5, s | |||
| 9a | 118.9, s | 123.0, s | 123.6, s | |||
| 9b | 117.9, s | 118.8, s | 117.5, s | |||
| NCH3 | 3.9, s | 45.5, q | 3.7, s | 44.7, q | 3.9, s | 45.3, q |
| OCH3 | 3.9, s | 56.8, q | 3.8, s | 56.4, q | 3.9, s | 56.8, q |
| 1′ | 157.1, s | 165.2, s | 164.9, s | |||
| 2′ | 123.7, s | 125.8, s | 125.4, s | |||
| 3′ | 8.2, d(6.8) | 132.7, d | 8.1, d(8) | 130.6, d | 8.1, d(7.6) | 130.6, d |
| 4′ | 7.4, d(7.2) | 120.7, d | 7.3, d(8) | 129.0, d | 7.3, br d | 129.0, d |
| 5′ | 163.8, s | 150.1, s | 148.9, s | |||
| 6′ | 7.4, d(7.2) | 120.7, d | 7.3, d(8) | 129.0, d | 7.3, br d | 129.0, d |
| 7′ | 8.2, d(6.8) | 132.7, d | 8.1, d(8) | 130.6, d | 8.1, d(7.6) | 130.6, d |
| 8′ | 2.7, t(7.6) | 35.8, t | 2.7, t(8) | 36.0, t | ||
| 9′ | 1.6, m(7.6) | 33.2, t | 1.7, br m | 31.4, t | ||
| 10′ | 1.4, m(7.6) | 22.3, t | 1.3, br m | 30.7, t | ||
| 11′ | 0.9, t(7.6) | 13.9, q | 1.3, br m | 22.4, t | ||
| 12′ | 0.9, br t | 13.9, t | ||||
Measured in CDCl3 at 400 MHz for 1H and 100 MHz for 13C, respectively. J values in Hz.