Table 3.
1H and 13C-NMR, 1H-1H COSY, gHMBC data of 3 (600 MHz, CDCl3).
| No | δH(Multi, J/Hz) | δC(DEPT) | 1H-1H COSY | gHMBC |
|---|---|---|---|---|
| 1 | 199.7 (s) | |||
| 2 | 77.9 (s) | |||
| 3 | 3.23 (1H,d,16.8) 3.13 (1H,d,16.8) |
49.1 (t) | 1,4a | |
| 4 | 198.9 (s) | |||
| 4a | 112.0 (s) | |||
| 5 | 161.2 (s) | |||
| 6 | 119.2 (s) | |||
| 7 | 162.1 (s) | |||
| 8 | 7.07 (1H,s) | 106.5 (d) | 4a,6 | |
| 8a | 131.4 (s) | |||
| 9 | 2.19 (3H,s) | 8.1 (q) | 5,7 | |
| 1′ | 2.49 (1H,dd,14.5,8.3) 2.38 (1H,dd,14.5,8.3) |
38.9 (t) | 2′ | 2,3′,1 |
| 2′ | 4.98 (1H,t,6.9) | 116.0 (d) | 1′ | 9′,4′ |
| 3′ | 141.0 (s) | |||
| 4′ | 1.94 (2H,m) | 39.8 (t) | 5′ | 3′,2′,9′ |
| 5′ | 2.02 (2H,m) | 26.3 (t) | 4′,6′ | 3′,7′ |
| 6′ | 5.03 (1H,t,7.5) | 123.9 (d) | 5′ | 8′,4′,10′ |
| 7′ | 131.3 (s) | |||
| 8′ | 1.67 (3H,s) | 25.6 (q) | 7′,10′,6′ | |
| 9′ | 1.43 (3H,s) | 16.1 (q) | 4′,2′,3′ | |
| 10′ | 1.57 (3H,s) | 17.6 (q) | 7′,8′,6′ | |
| 4-OH | 12.55 (brs) | 3,4a,5 |