Table 2.
DEPT-Q (400 MHz) and 1H-NMR (100 MHz) data of compound 28 in CDCL3; carbon multiplicities were figured out by the DEPT-Q experiments.
| Position | δ C | δH (J in Hz) |
|---|---|---|
| 2 | 145.9, CH | 7.68, d (7.0) |
| 3 | 104.0, CH | 7.09, dd (3.0, 7.0) |
| 4 | 108.8, CH | 7.40, d (2.5) |
| 5 | 148.4, qC | |
| 6 | 114.0, CH | 6.37, dd (2.5,8.0) |
| 7 | 123.8, CH | 7.30, d (8.0) |
| 8 | 116.8, qC | |
| 9 | 157.3, qC | |
| 2′ | 148.4, qC | |
| 3′ | 144.5, CH | 7.79, d (3.0) |
| 4′ | 108.8, CH | 7.40, d (2.5) |
| 5′ | 160.8, qC | |
| 6′ | 114.0, CH | 6.37, dd (2.5,8.0) |
| 7′ | 123.8, CH | 7.30, d (8.0) |
| 8′ | 113.5, qC | |
| 9′ | 157.3, qC |
qC, quaternary, CH, methine.