1H and 13C NMR data of 1–3.
| Pos. | 1 | 2 | 3 | |||
|---|---|---|---|---|---|---|
| δ H a (multi, J in Hz) | δ C b , e, type | δ H a (multi, J in Hz) | δ C b , e, type | δ H c (multi, J in Hz) | δ C d , e, type | |
| 1 | 172.1, C | 172.2, C | 172.1, C | |||
| 3 | 5.27, br s (2H) | 70.2, CH2 | 5.27, br s (2H) | 70.2, CH2 | 5.27, br s (2H) | 70.2, CH2 |
| 3a | 148.8, C | 148.8, C | 148.8, C | |||
| 4 | 122.7, C | 122.8, C | 122.7, C | |||
| 5 | 164.6, C | 164.6, C | 164.6, C | |||
| 6 | 130.9, C | 130.9, C | 130.9, C | |||
| 7 | 153.8, C | 153.9, C | 153.8, C | |||
| 7a | 113.2, C | 113.2, C | 113.2, C | |||
| Me-4 | 2.21, s (3H) | 11.6, CH3 | 2.22, s (3H) | 11.6, CH3 | 2.21, s (3H) | 11.6, CH3 |
| MeO-5 | 3.79, s (3H) | 61.6, CH3 | 3.80, s (3H) | 61.5, CH3 | 3.79, s (3H) | 61.6, CH3 |
| 1′ | 3.45, m | 25.0, CH2 | 3.45, m | 25.0, CH2 | 3.45, m | 25.0, CH2 |
| 3.65, dd (14.3, 6.5) | 3.69, dd (14.0, 7.3) | 3.65, dd (14.2, 7.2) | ||||
| 2′ | 5.28, t (6.5) | 124.9, CH | 5.26, t (7.3) | 124.3, CH | 5.28, t (7.2) | 124.9, CH |
| 3′ | 134.9, C | 136.6, C | 134.9, C | |||
| 4′ | 2.28, t (7.4, 2H) | 36.0, CH2 | 2.00, t (7.4, 2H) | 40.6, CH2 | 2.28, t (7.5, 2H) | 36.0, CH2 |
| 5′ | 2.34, t (7.4, 2H) | 35.5, CH2 | 2.08, m (2H) | 35.9, CH2 | 2.41, t (7.5, 2H) | 35.5, CH2 |
| 6′ | 178.2, C | 5.09, t (7.4) | 125.5, CH | 176.9, C | ||
| 7′ | 1.82, d (1.2, 3H) | 16.5, CH3 | 134.8, C | 1.82, d (1.2, 3H) | 16.5, CH3 | |
| 6′-OMe | 3.57, s (3H) | 52.0, CH3 | ||||
| 8′ | 2.18, m (2H) | 34.0, CH2 | ||||
| 9′ | 2.16, m (2H) | 35.6, CH2 | ||||
| 10′ | 179.0, C | |||||
| 11′ | 1.57, d (1.3, 3H) | 16.1, CH3 | ||||
| 12′ | 1.80, d (1.3, 3H) | 16.5, CH3 | ||||
| 1′′ | 5.33, d (7.7) | 106.5, CH | 5.29, d (7.7) | 106.7, CH | 5.33, d (7.7) | 106.5, CH |
| 2′′ | 3.50, m | 75.8, CH | 3.53, m | 75.9, CH | 3.50, m | 75.8, CH |
| 3′′ | 3.23, ddd (9.7, 5.5, 2.3) | 78.5, CH | 3.22, ddd (9.8, 5.4, 2.2) | 78.5, CH | 3.23, ddd (9.7, 5.5, 2.3) | 78.4, CH |
| 4′′ | 3.37, dd (9.8, 8.8) | 71.4, CH | 3.37, t (9.0) | 71.4, CH | 3.37, dd (9.8, 8.8) | 71.4, CH |
| 5′′ | 3.46, t (9.0) | 78.4, CH | 3.45, t (9.0) | 78.4, CH | 3.46, t (9.0) | 78.4, CH |
| 6′′ | 3.65, m | 62.6, CH2 | 3.64, m | 62.7, CH2 | 3.65, m | 62.6, CH2 |
| 3.76, m | 3.78, m | 3.76, m | ||||
a
Measured in methanol-d4 at 600 MHz.
b
Measured in methanol-d4 at 150 MHz.
c
Measured in methanol-d4 at 400 MHz.
d
Measured in methanol-d4 at 100 MHz.
e
Assigned based on gHMQC and gHMBC spectra.