Table 1.
| |||
---|---|---|---|
Compd | R1 | R2 | Ki (nM) |
12a | H (5R) | 131.4 | |
13a | H (5S) | 0.85 | |
13c | 3,4-di-F (5S) | 2.13 | |
13d | 3-CF3 (5S) | 2.62 | |
13e | 3-Ac (5S) | 0.98 | |
14a | H (5S) | 2.04 | |
15a | H (5S) | 3.51 | |
16a | H (5S) | 8.05 | |
16e | 3-Ac (5S) | 35.11 | |
16f | 4-Ac (5S) | 39.87 | |
21a | H (5R) | 4731 | |
22a | H (5S) | 7.28 | |
22d | 3-CF3 (5S) | 21.63 | |
23a | H (5S) | 657 | |
24a | H (5R) | 1800 | |
25d | 3-CF3 (5S) | 41.09 |