Table 3.
C# | 4 | 5 | 6b |
---|---|---|---|
2-Me | 1.29 s | 0.98 s | 1.33 s |
2-Me | 1.36 s | 1.46 s | 1.51 s |
3 | 4.37 dd (3.3, | 5.27 s | 3.93 dd |
4a | 2.33 dd (3.3, | 6.73 s | 2.11 m |
2.70 dd (12.1, | 2.49 m | ||
4b | 3.15 dd | ||
6-OH | 11.16 s | 12.55 s | 12.20 s |
7 | 6.63 s | 6.71 s | |
9 | 6.75 s | 6.94 s | 7.48 s |
11 | 2.22 m | 2.09 m | 1.93 m |
2.19 m | 2.03 m | ||
12 | 4.64 dd (6.1, | 2.01 m | 1.46 m |
14 | 1.64 m | 1.74 m | 1.90 m |
1.95 m | 2.01 m | 1.90 m | |
15 | 1.96 m | 1.83 m | 1.75 m |
1.96 m | 2.17 m | 1.92 m | |
16 | 5.47 d (10.4) | 4.65 dd (4.0, 12.0) | 3.53 dd |
17a-Me | 0.58 s | 0.43 s | |
17b-Me | 1.06 s | 0.72 s | |
18 | 2.99 d (15.3) 3.32 m b |
||
19 | 4.53 dd (3.5, 4.83 d (9.0) |
||
20 | 0.98 s | 4.18 s, 4.72s | 1.24 s |
Chemical shifts are in ppm; J values in Hz are in parentheses; Measured in DMSO-d6.
Measured in CDCl3.