Table 3.
Long range 1H-13C correlation data as determined by HMBC experiments of flavonoid “B”
| Carbon number | HMBC | ||
|---|---|---|---|
| Flavonoid B | |||
![]() | |||
| 2 | 6.92 (H-5’) | 7.51(H-6’) | 7.53(H-2’) |
| 3 | 5.48(H-1") | — | — |
| 4 | 6.21(H-6) | 6.41(H-8) | — |
| 5 | 6.21(H-6) | — | — |
| 7 | 6.21(H-6) | 6.41(H-8) | — |
| 9 | 6.41(H-8) | — | — |
| 10 | 6.41(H-8) | — | — |
| 1’ | 7.53(H-2’) | 6.92(H-5’) | — |
| 2’ | 7.51(H-6’) | 6.92(H-5’) | — |
| 3’ | 7.51(H-6’) | 7.53(H-2’) | 6.92(H-5’) |
| 4’ | 7.51(H-6’) | 7.53(H-2’) | 6.92(H-5’) |
| 6’ | 7.53(H-2’) | 6.92(H-5’) | — |
