Table 4.
13C NMR data of 10 − 12, 14 − 15 (100 MHz)
| No | 10a | 11a | 12a | 14b | 15b |
|---|---|---|---|---|---|
| 2 | 91.8, C | 91.1, C | 91.7, C | 95.7, C | 95.4, C |
| 3 | 193.7, C | 193.0, C | 192.2, C | 197.0, C | 190.8, C |
| 3a | 105.2, C | 107.2, C | 106.4, C | 106.3, C | 104.2, C |
| 4 | 159.9, C | 157.7, C | 156.4, C | 158.5, C | 159.2, C |
| 5 | 94.6, CH | 99.6, C | 102.0, C | 92.6, CH | 93.6, CH |
| 6 | 167.5, C | 166.5, C | 165.5, C | 169.8, C | 170.3, C |
| 7 | 84.3, C | 94.7, CH | 88.7, C | 88.3, CH | 88.7, CH |
| 7a | 173.4, C | 175.7, C | 172.0, C | 175.7, C | 176.2, C |
| 2' | 173.9, C | 174.1, C | 173.9, C | 75.1, CH | 190.6, C |
| 3' | 105.2, CH | 105.2, CH | 105.3, CH | 29.3, CH2 | 126.7, CH |
| 4' | 199.7, C | 199.8, C | 199.7, C | 23.4, CH2 | 152.5, CH |
| 5' | 40.8, CH2 | 40.8, CH2 | 40.8, CH2 | 28.5, CH2 | 31.4, CH2 |
| 6' | 37.5, CH | 37.6, CH | 37.6, CH | 38.3, CH | 37.3, CH |
| 4-OCH3 | 56.6, CH3 | 62.7, CH3 | 62.6, CH3 | 55.6, CH3 | 56.1, CH3 |
| 6-OCH3 | 55.6, CH3 | 56.2, CH3 | |||
| 2'-OCH3 | 57.7, CH3 | 57.6, CH3 | 57.7, CH3 | ||
| 6'-CH3 | 14.4, CH3 | 14.5, CH3 | 14.5, CH3 | 15.6, CH3 | 14.7, CH3 |
aData were recorded in CD3OD.
bData were recorded in CDCl3.