Table 2.
13C-NMR data forcompounds 1-3.
| No. | 1 δC, mult | 2 δC, mult | 3 δC, mult | No. | 1 δC, mult | 2 δC, mult | 3 δC, mult |
|---|---|---|---|---|---|---|---|
| 1 | 146.0 ( d ) | 143.4 ( d ) | 144.1 ( d ) | 11 | 134.3 ( d ) | 133.1 ( d ) | 133.6 ( d ) |
| 3 | 155.5 ( s ) | 154.7 ( s ) | 155.1 ( s ) | 12 | 18.4 ( q ) | 18.4 ( q ) | 18.4 ( q ) |
| 4 | 106.9 ( d ) | 108.2 ( d ) | 107.6 ( d ) | 13 | 40.4 ( t ) | 44.8 ( t ) | 43.3 ( t ) |
| 4a | 145.8 ( s ) | 142.9 ( s ) | 143.6 ( s ) | 14 | 209.8 ( s ) | 108.0 ( s ) | 107.0 ( s ) |
| 5 | 103.7 ( d ) | 107.0 ( d ) | 106.7 ( d ) | 15 | 43.5 ( t ) | 34.9 ( t ) | 34.3 ( t ) |
| 6 | 198.3 ( s ) | 196.2 ( s ) | 196.8 ( s ) | 16 | 23.4 ( t ) | 24.1 ( t ) | 24.7 ( t ) |
| 7 | 73.1 ( s ) | 82.7 ( s ) | 83.6 ( s ) | 17 | 22.4 ( t ) | 24.0 ( t ) | 24.1 ( t ) |
| 8 | 40.5 ( d ) | 44.8 ( d ) | 43.5 ( d ) | 18 | 31.3 ( t ) | 31.9 ( t ) | 31.8 ( t ) |
| 8a | 120.1 ( s ) | 118.1 ( s ) | 117.2 ( s ) | 19 | 13.9 ( q ) | 14.0 ( q ) | 13.9 ( q ) |
| 9 | 26.8 ( q ) | 22.5 ( q ) | 22.4 ( q ) | OCH3 | 48.5 | 48.3 | |
| 10 | 123.1 ( d ) | 123.3 ( d ) | 123.2 ( d ) |
13C-NMR data were measured in CDCl3 at 125 MHz. The assignments were based on DEPT, 1H-1H COSY, HMQC and HMBC experiments.