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1H NMR (400 MHz) and 13C NMR (100 MHz) data for 1 and 2 in CDCl3.
| No. | 1 | 2 | ||
|---|---|---|---|---|
| δC Type | δH (J in Hz) | δC Type | δH (J in Hz) | |
| 1 | 16.0 CH3 | 1.78 (d, 1.4) | 14.7 CH3 | 1.82 (d, 7.2) |
| 2 | 142.2 CH | 7.08 (qd, 7.2, 1.1) | 140.3 CH | 6.9 (q, 7.2) |
| 3 | 129.3 C | 130.2 | ||
| 4 | 135.3 CH | 7.36 (m) | 30.1 CH2 | 2.72 (m, overlap) |
| 4′ | 2.4 (m) | |||
| 5 | 131.0 C | 38.9 CH | 2.72 (m, overlap) | |
| 6 | 172.8 C | 182.4 | ||
| 7 | 166.7 C | 168.1 | ||
| 8 | 52.2 OCH3 | 3.76 (s) | 51.9 OCH3 | 3.73 (s) |
| 9 | 14.3 CH3 | 1.76 (d, 1.4) | 16.7 CH3 | 1.16 (d, 6.6) |
