Table 1. 1H and 13C NMR Data for Pseudonocardones A (1), B (2), and C (3) Recorded in CD3OD at 600 MHz.
| pseudonocardone
A (1) |
pseudonocardone
B (2) |
pseudonocardone
C (3) |
||||
|---|---|---|---|---|---|---|
| position | δC | δH (J in Hz) | δC | δH (J in Hz) | δC | δH (J in Hz) |
| 1 | 156.9 | 154.7 | ||||
| 2 | 114.7 | 7.21, s | 115.8 | 7.25, s | 144.7 | |
| 3 | 140.5 | 141.8 | 134.7 | |||
| 4 | 124.0 | 7.37, s | 122.9 | 7.45, s | 120.3 | 6.95, s |
| 4a | 139.4 | 135.4 | 131.9 | |||
| 5 | 130.0 | 7.78, d (8.8) | 134.4 | 8.06, d (8.2) | 133.0 | 8.97, d (9.4) |
| 6 | 124.5 | 8.10, d (8.2) | 123.0 | 8.16, d (8.8) | 122.8 | 8.17, d (8.8) |
| 6a | 132.5 | 135.0 | 137.1 | |||
| 7 | 186.0 | 182.8 | 183.1 | |||
| 7a | 120.8 | 120.8 | 119.9 | |||
| 8 | 161.1 | 160.3 | 160.5 | |||
| 9 | 112.8 | 7.13, d (8.2) | 118.3 | 7.47, d (8.8) | 119.3 | 7.49, d (8.2) |
| 10 | 136.0 | 7.64, t (7.9) | 136.7 | 7.78, t (7.9) | 136.5 | 7.75, t (7.9) |
| 11 | 123.8 | 7.34, d (8.6) | 119.3 | 7.62, d (7.6) | 121.1 | 7.78, d (7.0) |
| 11a | 147.7 | 139.9 | 138.4 | |||
| 12 | 66.5 | 6.93, s | 189.5 | 190.8 | ||
| 12a | 139.6 | 138.8 | 133.2 | |||
| 12b | 121.6 | 119.5 | 121.0 | |||
| 13 | 21.8 | 2.47, s | 21.6 | 2.52, s | 17.0 | 2.50, s |
| 14 | 49.4 | 3.95, s | 56.4 | 4.01, s | 56.6 | 3.99, s |
| 1′ | 103.8 | 5.23, d (7.6) | 101.8 | 5.26, d (7.0) | 106.6 | 4.76, d (7.6) |
| 2′ | 75.0 | 3.93, t (8.8) | 74.5 | 3.58, m | 75.1 | 3.71, dd (9.1, 7.9) |
| 3′ | 77.1 | 3.63, t (9.4) | 77.1 | 3.59, m | 77.2 | 3.50, t (9.1) |
| 4′ | 73.1 | 3.76, t (9.4) | 72.6 | 3.60, m | 72.9 | 3.63, t (9.4) |
| 5′ | 76.7 | 4.16, d (10.0) | 76.1 | 3.98, d (9.4) | 76.8 | 3.55, d (10.0) |
| 6′ | 173.0 | 172.6 | 173.5 | |||