Table 1.
1H (400 MHz) and 13C (100 MHz)-NMR data for compounds 1 and 8 in CDCl3.
| No. | 1 | No. | 8 | ||
|---|---|---|---|---|---|
| δH (J in Hz) | δC (mult.) a | δH (J in Hz) | δC (mult.) a | ||
| 1 | – | 127.1, C | 1 | – | 127.1, C |
| 2 | 7.03, d (1.7) | 109.3, CH | 2 | 7.02, d (2.1) | 109.4, CH |
| 3 | – | 146.7, C | 3 | – | 146.8, C |
| 4 | – | 147.9, C | 4 | – | 148.0, C |
| 5 | 6.92, d (8.1) | 114.7, CH | 5 | 6.92, d, 8.2 | 114.8, CH |
| 6 | 7.07, dd (8.1, 1.7) | 123.0, CH | 6 | 7.07, dd (8.2, 2.1) | 123.1, CH |
| 7 | 7.61, d (15.9) | 144.7, CH | 7 | 7.60, d (15.9) | 144.9, CH |
| 8 | 6.29, d, (15.9) | 115.7, CH | 8 | 6.27, d (15.9) | 115.6, CH |
| 9 | – | 167.3, C | 9 | – | 167.2, C |
| 3-OCH3 | 3.93, s | 55.9, CH3 | 3-OCH3 | 3.93, s | 56.0, CH3 |
| 4-OH | 5.84, s | – | 4-OH | 5.86, s | – |
| 1′ | 4.17, t (7.1) | 64.2, CH2 | 1′ | – | 130.0, C |
| 2′ | 2.41, q (6.9) | 27.6, CH2 | 2′, 6′ | 7.18, d (8.8) | 129.9, CH |
| 3′ | 5.16, t (7.6) | 117.7, CH | 3′, 5′ | 6.86, d (8.8) | 114.0, CH |
| 4′ | – | 140.2, C | 4′ | – | 158.4, C |
| 5′ | 2.02, q (7.5) | 32.4, CH2 | 7′ | 2.96, t (7.0) | 34.4, CH2 |
| 6′ | 1.00, t (7.5) | 12.7, CH3 | 8′ | 4.38, t (7.0) | 65.2, CH2 |
| 7′ | 1.65, s | 16.1, CH3 | 4′-OCH3 | 3.79, s | 55.3, CH3 |
a Attached protons determined by DEPT experiment.