Table 2.
1H and 13C NMR Data for Compounds 4–7 (500 MHz for 1H and 125 MHz for 13C).
| No. | 4a/4b a | 5a/5b a | 6 a | 7 b | ||||
|---|---|---|---|---|---|---|---|---|
| δC, Type | δH (J in Hz) | δC, Type | δH (J in Hz) | δC, Type | δH (J in Hz) | δC, Type | δH (J in Hz) | |
| 1 | 172.2, C | 172.2, C | 176.0, C | 149.6, CH | 8.40, s | |||
| 2 | 116.3, CH | 6.05, s | 116.3, CH | 6.05 s | 31.7, CH2 | 2.39, dd (8.2, 17.1) 2.62, m | 137.0, C | |
| 3 | 170.8, C | 170.9, C | 41.4, CH | 2.50, m | 135.8, CH | 7.60, d (,7.6) | ||
| 4 | 81.5, CH | 5.07, t (5.6) | 81.5, CH | 5.07, t (5.3) | 82.8, CH | 4.44, dd (4.9, 10.4) | 123.2, CH | 7.27, dd (6.7, 5.6) |
| 5 | 30.5, CH2 | 2.72, m; 2.46, m | 30.5, CH2 | 2.72, m; 2.47, m | 32.5, CH2 | 2.57, m | 147.0, CH | 8.38, d (4.1) |
| 6 | 117.8, CH | 5.39, t (7.0) | 117.7, CH | 5.39 t (7.3) | 121.7, CH | 5.40, t (7.5) | 32.3, CH2 | 2.60, t (7.6) |
| 7 | 143.4, C | 143.4, C | 142.8, C | 29.0, CH2 | 2.25, q (7.3) | |||
| 8 | 28.5, CH2 | 2.12, m | 28.5, CH2 | 2.12, m | 35.8, CH2 | 2.17, m | 122.9, CH | 5.12, t (6.9) |
| 9 | 26.6, CH2 | 2.06, m | 27.8, CH2 | 2.03, m | 26.6, CH2 | 2.06, m | 135.5, C | |
| 10 | 123.3, CH | 5.11, m | 122.7, CH | 5.13, t (6.5) | 123.6, CH | 5.10, m | 39.66, CH2 | 1.92, m |
| 11 | 136.2, C | 137.1, C | 135.8, C | 25.99, CH2 | 2.01, m | |||
| 12 | 39.7, CH2 | 1.98, m | 39.8, CH2 | 2.01, m | 39.7, CH2 | 1.97, m | 123.8, CH | 5.05, m |
| 13 | 26.7, CH2 | 2.06, m | 26.7, CH2 | 2.11, m | 26.7, CH2 | 2.06, m | 134.3, C | |
| 14 | 124.0, CH | 5.10, m | 137.0, C | 124.1, CH | 5.10, m | 39.6, CH2 | 1.92, m | |
| 15 | 135.1, C | 127.0, C | 135.0, C | 26.6, CH2 | 2.01, m | |||
| 16 | 39.7, CH2 | 1.98, m | 32.8, CH2 | 1.90, t (6.1) | 39.7, CH2 | 1.98, m | 124.1, CH | 5.05, m |
| 17 | 26.8, CH2 | 2.06, m | 19.5, CH2 | 1.57, m | 26.7, CH2 | 2.15, m | 130.6, C | |
| 18 | 124.3, CH | 5.09, m | 40.2, CH2 | 1.41, m | 124.3, CH | 5.10, m | 25.5, CH3 | 1.63, s |
| 19 | 131.3, C | 35.0, C | 131.3, C | 17.5, CH3 | 1.54, s | |||
| 20 | 25.7, CH3 | 1.68, s | 28.6, CH3 | 0.99, s | 25.7, CH3 | 1.68, s | 15.7, CH3 | 1.54, s |
| 21 | 17.7, CH3 | 1.60, s | 28.6, CH3 | 0.99, s | 17.7, CH3 | 1.60, s | 15.7, CH3 | 1.47, s |
| 22 | 16.1, CH3 | 1.60, s | 19.8, CH3 | 1.63, s | 16.1, CH3 | 1.60, s | ||
| 23 | 16.0, CH3 | 1.60, s | 16.1, CH3 | 1.60, s | 16.0, CH3 | 1.60, s | ||
| 24 | 66.4, CH2 | 4.06, s | 66.4, CH2 | 4.07, s | 60.2, CH2 | 4.08, d (11.9) 4.17, d (12.1) | ||
| 25 | 58.8, CH2 | 4.54, d (16.7); 4.45, d (16.5) | 58.8, CH2 | 4.55, d (16.8) 4.45, d (16.5) | 63.2, CH2 | 3.65, dd (7.2, 10.1) 3.75, dd (4.5, 10.6) | ||
a Recorded in CDCl3; b Recorded in DMSO-d6.