Table 1.
The 13C-NMR of the flavonoid components isolated from Salvia macrosiphon
| Carbon No. | 1 a | 4 b | 5 b |
|---|---|---|---|
| 1 | - | - | - |
| 2 | 163.9 | 164.4 | 164.4 |
| 3 | 104.3 | 103.0 | 99.8 |
| 4 | 182.4 | 181.8 | 181.8 |
| 5 | 157.6 | 145.7 | 162.1 |
| 6 | 98.0 | 99.4 | 95.3 |
| 7 | 165.3 | 150.9 | 162.9 |
| 8 | 92.5 | 94.6 | 95.6 |
| 9 | 162.5 | 149.9 | 156.9 |
| 10 | 105.0 | 105.3 | 103.1 |
| 1’ | 123.5 | 121.0 | 121.3 |
| 2’ | 128.0 | 128.1 | 113.5 |
| 3’ | 114.4 | 115.9 | 145.7 |
| 4’ | 164.0 | 161.3 | 149.9 |
| 5’ | 114.4 | 115.9 | 115.9 |
| 6’ | 128.0 | 128.1 | 119.0 |
| 1’’ | - | 99.8 | 99.4 |
| 2’’ | - | 73.1 | 73.0 |
| 3’’ | - | 76.5 | 76.3 |
| 4’’ | - | 69.5 | 69.5 |
| 5’’ | - | 77.1 | 77.1 |
| 6’’ | - | 60.5 | 60.5 |
| 7-OMe | 55.7 | - | - |
| 4’- OMe | 55.5 | - | - |
| 6-OMe | - | - | - |
Note: a measured in CDCl3, b in DMSO-d6.