Table 3.
Position | 5a | 6a | 7b | 8a | 9a | 10 a |
---|---|---|---|---|---|---|
1 | 1.40 m | 1.25 m | 1.26 m | 1.33 m | 1.49m | 1.33 m |
2.50 m | 2.95 m | 2.95 m | 3.18 m | 2.13 m | 2.88 m | |
2 | 1.72 m | 2.35 m | 2.40 m | 2.35 m | 2.30 m | 2.37 m |
1.94 m | 2.49 m | 2.49 m | 2.51 m | 2.42 td (14.4, 8.8) | 2.50 m | |
3 | 3.79 br s | |||||
4 | 1.74 m | 2.35 m | 2.40 m | 2.36 m | 2.24 m | 2.38 m |
5 | 2.12 m | 1.39 m | 1.46 m | 1.39 m | 1.83 m | 1.41 m |
6 | 2.25 t (15.1)c | 1.56 m | 1.57 m | 1.43 m | 1.27 m | 1.42 m |
2.41 dd (15.1, 3.0) | 2.49 m | 1.89 m | 1.78 m | 1.83 m | 1.78 m | |
7 | 4.39 t (8.0) | 4.26 d (2.0) | 2.18 m | 5.18 br s | 2.11 m | |
2.37 m | 2.30 m | |||||
9 | 1.75 m | |||||
11 | 1.54 m | |||||
1.64 m | ||||||
12 | 2.40 d (13.6) | 2.32 d (14.0) | 2.38 d (14.5) | 2.33 d (14.4) | 1.27 m | 2.18 d (13.9) |
2.89 d (13.6) | 2.83 d (14.0) | 2.84 d (14.5) | 2.80 d (14.4) | 2.04 m | 2.47 d (13.9) | |
14 | 2.62 dd (12.4, 7.0) | 2.71 m | 2.78 m | 2.64 dd (12.0, 7.6) 1.81 m | 2.09 m | |
15 | 1.47 m | 1.90 m | 1.90 m | 1.52 m | 1.41 m | 1.37 m |
2.55 m | 2.09 m | 2.07 m | 1.81 m | 1.52 m | 1.93 m | |
16 | 1.25 m | 1.44 m | 1.40 m | 1.42 m | 1.29 m | 1.47 m |
1.98 m | 1.96 m | 1.90 m | 1.81 m | 1.73 m | 2.08 m | |
17 | 1.42 m | 1.38 m | 1.46 m | 1.48 m | 1.28 m | 1.39 m |
18 | 0.67 s | 0.77 s | 0.72 s | 0.74 s | 0.57 s | 1.02 s |
19 | 1.31 s | 1.44 s | 1.26 s | 1.34 s | 1.01 s | 1.37 s |
20 | 1.42 m | 1.41 m | 1.43 m | 1.47 m | 2.05 m | 1.46 m |
21 | 0.93 d (5.6) | 0.92 d (5.5) | 0.93 d (6.0) | 0.95 d (5.6) | 1.02 d (7.2) | 0.90 d (6.4) |
22 | 1.18 m | 1.25 m | 1.32 m | 1.22 m | 5.25 m | 1.17 m |
1.57 m | 1.58 m | 1.59 m | 1.53 m | 1.47 m | ||
23 | 1.95 m | 1.98 m | 2.00 m | 1.89 m | 5.25 m | 1.95 m |
2.16 m | 2.15 m | 2.17 m | 2.10 m | 2.14 m | ||
24 | 2.23 m | |||||
25 | 3.13 q (7.0) | 3.12 q (6.8) | 3.16 q (7.0) | 2.24 m | 1.58 m | 3.13 q (7.0) |
26 | 1.06 d (6.8) | 3.45 dd (10.4, 6.4) | ||||
3.56 dd (10.4, 6.4) | ||||||
27 | 1.28 d (7.0) | 1.27 d (6.8) | 1.30 d (7.5) | 1.03 d (6.8) | 0.86 d (6.8) | 1.28 d (7.0) |
28 | 4.92 s, 4.88 s | 4.91 s, 4.89 s | 4.94 s | 4.67 s | 1.00 d (6.8) | 4.92 s, 4.88 s |
4.90 s, 4.86 sd | 4.87 s, 4.85 sd | 4.99 s | 4.74 s | 4.90 s, 4.87 sd | ||
29 | 0.96 d (6.4) | 1.03 d (7.0) | 1.29 d (6.8) | 1.04 d (6.6) | ||
OMe | 3.66 s | 3.66 s | 3.66 s |
Recorded at 400 MHz at 25 °C.
Recorded at 500 MHz at 25 °C.
J values (in Hz) in parentheses.
Chemical shifts for 25-epimer.