Table 1.
1H (600 MHz) and 13C (150 MHz) nuclear magnetic resonance data of compounds 1 and 2.
| Position | 1 (Chloroform-d) | 2 (Acetone-d6) | ||
|---|---|---|---|---|
| δ C | δ H | δ C | δ H | |
| 1 | ||||
| 2 | 165.2 | 165.7 | ||
| 3 | 125.3 | 126.8 | ||
| 4 | 28.6 | 2.58, m | 29.4 | 2.56, m |
| 2.53, m | ||||
| 5 | 23.4 | 1.99, ddt (13.5, 5.5, 2.5) | 24.2 | 2.08, m |
| 1.71, dtd (13.5, 12.0, 6.0) | 1.68, dtd (13.5, 11.5, 7.0) | |||
| 6 | 85.8 | 4.04, dd (12.0, 3.0) | 86.3 | 4.01, dd (12.0, 3.0) |
| 7 | 71.4 | 71.2 | ||
| 8 | 24.2 | 1.23, s | 25.4 | 1.20 |
| 9 | 25.7 | 1.29, s | 26.5 | 1.20 |
| 10 | 146.0 | 6.13, br tt (7.5, 2.0) | 146.1 | 6.03, br tt (7.0, 2.0) |
| 11 | 24.0 | 2.83, br dtt (7.0, 7.0, 1.0) | 28.5 | 2.66, dtt (7.0, 7.0, 1.0) |
| 12 | 42.8 | 2.63, br t (7.0) | 39.6 | 2.08, m |
| 13 | 208.1 | 135.9 | ||
| 14 | 29.7 | 2.16, s | 124.8 | 5.13, br tq (7.0, 1.0) |
| 15 | 23.1 | 2.22, dt (7.0, 7.0) | ||
| 16 | 43.8 | 2.47, t (7.0) | ||
| 17 | 207.8 | |||
| 18 | 30.7 | 2.09, s | ||
| 19 | 16.0 | 1.61, s | ||