Table 8.
Select tabulation of NMR data of 73 compared to the reported data for armatols B–F (6–10).8
| Position | δ 73a,b | δ 6b,8 | δ 7b,8 | δ 8b,8 | δ 9b,8 | δ 10b,8 |
|---|---|---|---|---|---|---|
| C9 | 33.4 | 33.5 | 33.4 | 34.0c | 33.7 | 33.1 |
| C10 | 73.1 | 73.2 | 73.4 | 73.7c | 73.7c | 72.9 |
| C11 | 74.9 | 75.4c | 75.5c | 75.7c | 75.3 | 76.6c |
| C27 | 23.4 | 23.5 | 23.5 | 25.5c | 23.5 | 23.4 |
| H27 | 1.09 | 1.09 | 1.09 | 1.09 | 1.10 | 1.10 |
a
Synthetic data for armatol A.
b
13C NMR data taken in CDCl3, referenced to 77.0 ppm. 1H NMR data taken in CDCl3, referenced to 7.26 ppm.
c
|δ|>0.4 ppm relative to 73.