Table 3 Spectral data for 1H, 13C for compound 2
C Position | Compound 2 | Heteronuclear multiple bond correlation | |
|---|---|---|---|
1HNMR (δ = ppm, J = Hz) | 13CNMR (ppm) (δ = ppm, J = Hz) | ||
1 | – | 110,7 | – |
2 | – | 156,1 | – |
3 | 6,13(d, J = 2,0) | 95,1 | C4, C2 |
4 | – | 161,8 | – |
5 | 6,3 (d, J = 2,0) | 92,9 | C6, C4 |
6 | – | 156,3 | – |
7 | – | 192,5 | – |
OCH3 | 3,73 (s) | 55 | C6 |
1′ | – | 129,8 | – |
2′ | 7,58 (d, J = 7,2) | 131,7 | C1’, C6’, C7 |
3′ | 6,78 (d, J = 8,6) | 114,9 | C2’, C4’ |
4′ | – | 161,0 | – |
5′ | 6,78 (d, J = 8,6) | 114,9 | C4’, C6’ |
6′ | 7,58 (d, J = 8,4) | 131,7 | C1’, C2’, C7 |
1′′ | 4,8 (d, J = 8) | 100,6 | – |
2′′ | 2,93 (dd, J = 3,9, 3,9) | 73,2 | – |
3′′ | 3,20 (dd, J = 5,9, 5,7) | 76,6 | – |
4′′ | 3,02 (dd, J = 7,8, 4,6) | 69,8 | – |
5′′ | 3,4 (m) | 77,2 | – |
6′′ | 3,7 (m) | 60,8 | – |