Table 1.
1H and 13C NMR Data for Compounds 1–3 in CDCl3 (500 MHz for 1H and 125 MHz for 13C).
| No. | 1a/1b | 2a/2b | 3a/3b | |||
|---|---|---|---|---|---|---|
| δC, Type | δH (J in Hz) | δC, Type | δH (J in Hz) | δC, Type | δH (J in Hz) | |
| 1 | 177.3, C | 177.5, C | 177.2, C | |||
| 2 | 28.9, CH2 | 2.56, m | 28.8, CH2 | 2.51, m | 29.0, CH2 | 2.56, m |
| 3 | 21.8, CH2 | 2.15, m; 2.27, m | 21.7, CH2 | 2.11, m; 2.22, m | 22.2, CH2 | 2.26, m; 2.16, m |
| 4 | 85.6, CH | 4.35, t (7.6) | 85.6, CH | 4.31, t (7.5) | 85.0, CH | 4.37, t (7.7) |
| 5 | 73.0, C | 72.6, C | 73.0, C | |||
| 6 | 36.9, CH2 | 1.41, m | 36.9, CH2 | 1.38, m; 1.48, m | 39.2, CH2 | 1.60, m; 1.68, m |
| 7 | 21.9, CH2 | 1.89, t (6.2) | 21.6, CH2 | 2.02, m; 2.11, m | 22.2, CH2 | 2.10, m; 2.05, m |
| 8 | 136.2, C | 123.5, CH | 5.08, t (7.1) | 123.6, CH | 5.12, t (6.6) | |
| 9 | 127.5, C | 135.6, C | 135.9, C | |||
| 10 | 32.7, CH2 | 2.00, td (13.0, 5.6) 2.15, m | 39.5, CH2 | 1.94, m | 39.6, CH2 | 1.98, m |
| 11 | 19.4, CH2 | 1.55, m; 1.68, m | 26.4, CH2 | 2.02, m | 26.6, CH2 | 2.05, m |
| 12 | 39.7, CH2 | 1.48, m; 1.55, m | 124.0, CH | 5.04, t (6.9) | 124.2, CH | 5.08, t (6.7) |
| 13 | 35.0, C | 131.2, C | 131.5, C | |||
| 14 | 28.6, CH3 | 0.99, s | 25.5, CH3 | 1.63, s | 25.7, CH3 | 1.68, s |
| 15 | 28.5, CH3 | 0.97, s | 17.5, CH3 | 1.56, s | 17.7, CH3 | 1.60, s |
| 16 | 19.7, CH3 | 1.58, s | 15.8, CH3 | 1.58, s | 16.0, CH3 | 1.62, s |
| 17 | 23.24, CH3 | 1.34, s | 23.0, CH3 | 1.26, s | 20.9, CH3 | 1.14, s |